ADRX · ADARx Pharmaceuticals, Inc. · Insider Trading
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↑
Filing footnotes — Common Stock (Direct)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. LAV GP V, L.P. is the general partner of LAV Biosciences Fund V, L.P. ("LAV Biosciences"). LAV Corporate V GP, Ltd. is the general partner of LAV GP V, L.P. Dr. Yi Shi is the managing partner of LAV Corporate V GP, Ltd. By virtue of these relationships, LAV GP V, L.P., LAV Corporate V GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Biosciences. |
Common Stock
|
513,067 |
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↓
Filing footnotes — Series C Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. Shares are held by LAV Fund VI Opportunities, L.P. ("LAV Fund VI Opportunities"). LAV GP VI Opportunities, L.P. ("LAV GP VI Opportunities") is the general partner of LAV Fund VI Opportunities, L.P. and LAV Corporate VI GP Opportunities, Ltd. ("LAV Corporate VI GP") is the general partner of LAV GP VI Opportunities, L.P. Dr. Yi Shi is the managing partner of LAV Corporate VI GP Opportunities, Ltd. By virtue of these relationships, LAV GP VI Opportunities, L.P., LAV Corporate VI GP Opportunities, Ltd., and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Fund VI Opportunities, L.P. |
Series C Preferred Stock
(I)
|
360,577 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
513,067 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Common Stock
(I)
|
512,897 |
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↓
Filing footnotes — Series B Preferred Stock (Direct)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. LAV GP V, L.P. is the general partner of LAV Biosciences Fund V, L.P. ("LAV Biosciences"). LAV Corporate V GP, Ltd. is the general partner of LAV GP V, L.P. Dr. Yi Shi is the managing partner of LAV Corporate V GP, Ltd. By virtue of these relationships, LAV GP V, L.P., LAV Corporate V GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Biosciences. |
Series B Preferred Stock
|
1,953,774 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
Reflects shares of the Issuer's Common Stock purchased in the Issuer's initial public offering. These securities are held directly by OrbiMed Genesis Master Fund, L.P. ("OrbiMed Genesis"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of OrbiMed Genesis. OrbiMed Advisors is the managing member of Genesis GP. By virtue of such relationships, Genesis GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OrbiMed Genesis and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OrbiMed Genesis. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
588,235 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Common Stock
(I)
|
592,593 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Common Stock
(I)
|
1,113,666 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↓
Filing footnotes — Series A Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series A Preferred Stock
(I)
|
7,127,019 |
| 2026-09-28 | Chimovits Erez |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and the Reporting Person, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, Israel GP, and Advisors Israel disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
513,067 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↓
Filing footnotes — Series B Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Series B Preferred Stock
(I)
|
3,907,547 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↓
Filing footnotes — Series B Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Co-Invest III, LLC ("SR One Co-Invest"). SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager") is the managing member of SR One-Co-Invest, and SR One Capital Management is the managing member of SR One Co-Invest Manager. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Co-Invest Manager, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Series B Preferred Stock
(I)
|
1,953,773 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, LLC ("SR One Capital Management"), which is the sole general partner of SR One Capital Partners I, LP ("SR One Partners I"). SR One Partners I is the sole general partner of SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or otherwise of such portion of the securities held by SR One Fund I Aggregator in which the Reporting Person has no pecuniary interest. |
Common Stock
(I)
|
512,897 |
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Direct)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. LAV GP V, L.P. is the general partner of LAV Biosciences Fund V, L.P. ("LAV Biosciences"). LAV Corporate V GP, Ltd. is the general partner of LAV GP V, L.P. Dr. Yi Shi is the managing partner of LAV Corporate V GP, Ltd. By virtue of these relationships, LAV GP V, L.P., LAV Corporate V GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Biosciences. |
Series B-1 Preferred Stock
|
601,161 |
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↑
Filing footnotes — Common Stock (Direct)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. LAV GP V, L.P. is the general partner of LAV Biosciences Fund V, L.P. ("LAV Biosciences"). LAV Corporate V GP, Ltd. is the general partner of LAV GP V, L.P. Dr. Yi Shi is the managing partner of LAV Corporate V GP, Ltd. By virtue of these relationships, LAV GP V, L.P., LAV Corporate V GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Biosciences. |
Common Stock
|
1,667,469 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, LLC ("SR One Capital Management"), which is the sole general partner of SR One Capital Partners I, LP ("SR One Partners I"). SR One Partners I is the sole general partner of SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or otherwise of such portion of the securities held by SR One Fund I Aggregator in which the Reporting Person has no pecuniary interest. |
Common Stock
(I)
|
3,334,938 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Co-Invest III, LLC ("SR One Co-Invest"). SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager") is the managing member of SR One-Co-Invest, and SR One Capital Management is the managing member of SR One Co-Invest Manager. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Co-Invest Manager, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Common Stock
(I)
|
169,001 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, which is the managing member of SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager"). SR One Co-Invest Manager is the managing member of SR One Co-Invest III, LLC ("SR One Co-Invest"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Co-Invest in which the Reporting Person has no pecuniary interest. |
Common Stock
(I)
|
169,001 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, LLC ("SR One Capital Management"), which is the sole general partner of SR One Capital Partners I, LP ("SR One Partners I"). SR One Partners I is the sole general partner of SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or otherwise of such portion of the securities held by SR One Fund I Aggregator in which the Reporting Person has no pecuniary interest. |
Series B-1 Preferred Stock
(I)
|
1,304,883 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Co-Invest III, LLC ("SR One Co-Invest"). SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager") is the managing member of SR One-Co-Invest, and SR One Capital Management is the managing member of SR One Co-Invest Manager. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Co-Invest Manager, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Series B-1 Preferred Stock
(I)
|
198,019 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
The Reporting Person is the managing member of SR One Capital Management, which is the sole general partner of SR One Capital SMA Partners, LP ("SMA Partners"). SMA Partners is the sole general partner of AMZL, LP ("AMZL"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by AMZL in which the Reporting Person has no pecuniary interest. |
Common Stock
(I)
|
592,593 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
10,690,530 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series B-1 Preferred Stock
(I)
|
513,067 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
2,000,962 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of the Reporting Person, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series B-1 Preferred Stock
(I)
|
513,067 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Series B-1 Preferred Stock
(I)
|
1,304,883 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series B-1 Preferred Stock
(I)
|
769,601 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of the Reporting Person, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
256,448 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, which is the managing member of SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager"). SR One Co-Invest Manager is the managing member of SR One Co-Invest III, LLC ("SR One Co-Invest"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Co-Invest in which the Reporting Person has no pecuniary interest. |
Series B-1 Preferred Stock
(I)
|
198,019 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↓
Filing footnotes — Series C Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, LLC ("SR One Capital Management"), which is the sole general partner of SR One Capital Partners I, LP ("SR One Partners I"). SR One Partners I is the sole general partner of SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or otherwise of such portion of the securities held by SR One Fund I Aggregator in which the Reporting Person has no pecuniary interest. |
Series C Preferred Stock
(I)
|
600,962 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
564,187 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↓
Filing footnotes — Series C Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of the Reporting Person, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series C Preferred Stock
(I)
|
256,448 |
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. Shares are held by LAV Fund VI Opportunities, L.P. ("LAV Fund VI Opportunities"). LAV GP VI Opportunities, L.P. ("LAV GP VI Opportunities") is the general partner of LAV Fund VI Opportunities, L.P. and LAV Corporate VI GP Opportunities, Ltd. ("LAV Corporate VI GP") is the general partner of LAV GP VI Opportunities, L.P. Dr. Yi Shi is the managing partner of LAV Corporate VI GP Opportunities, Ltd. By virtue of these relationships, LAV GP VI Opportunities, L.P., LAV Corporate VI GP Opportunities, Ltd., and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Fund VI Opportunities, L.P. |
Common Stock
(I)
|
307,738 |
| 2026-09-28 | LAV Biosciences Fund V, L.P. |
10% Owner |
Other↑
Filing footnotes — Common Stock (Direct)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. LAV GP V, L.P. is the general partner of LAV Biosciences Fund V, L.P. ("LAV Biosciences"). LAV Corporate V GP, Ltd. is the general partner of LAV GP V, L.P. Dr. Yi Shi is the managing partner of LAV Corporate V GP, Ltd. By virtue of these relationships, LAV GP V, L.P., LAV Corporate V GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Biosciences. |
Common Stock
|
153,868 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
The reported securities are held directly by AMZL, LP ("AMZL"). SR One Capital SMA Partners, LP ("SR One SMA Partners") is the general partner of AMZL, and SR One Capital Management is the general partner of SR One SMA Partners. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One SMA Partners, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Common Stock
(I)
|
592,593 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↓
Filing footnotes — Series C Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, which is the sole general partner of SR One Capital Opportunities Partners I, LP ("SR One Opportunities Partners I"). SR One Opportunities Partners I is the sole general partner of SR One Capital Opportunities Fund I, LP ("SR One Opportunities Fund I"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Opportunities Fund I in which the Reporting Person has no pecuniary interest. |
Series C Preferred Stock
(I)
|
1,802,885 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↓
Filing footnotes — Series A Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series A Preferred Stock
(I)
|
10,690,530 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↓
Filing footnotes — Series C Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series C Preferred Stock
(I)
|
564,187 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, which is the managing member of SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager"). SR One Co-Invest Manager is the managing member of SR One Co-Invest III, LLC ("SR One Co-Invest"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Co-Invest in which the Reporting Person has no pecuniary interest. |
Common Stock
(I)
|
1,667,468 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↓
Filing footnotes — Series B Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series B Preferred Stock
(I)
|
1,333,975 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of the Reporting Person, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
513,067 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Other↓
Filing footnotes — Series B Preferred Stock (Indirect)
Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date. The Reporting Person is the managing member of SR One Capital Management, LLC ("SR One Capital Management"), which is the sole general partner of SR One Capital Partners I, LP ("SR One Partners I"). SR One Partners I is the sole general partner of SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or otherwise of such portion of the securities held by SR One Fund I Aggregator in which the Reporting Person has no pecuniary interest. |
Series B Preferred Stock
(I)
|
3,907,547 |
| 2026-09-28 | George Simeon |
Director, 10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
The Reporting Person is the managing member of SR One Capital Management, which is the sole general partner of SR One Capital Opportunities Partners I, LP ("SR One Opportunities Partners I"). SR One Opportunities Partners I is the sole general partner of SR One Capital Opportunities Fund I, LP ("SR One Opportunities Fund I"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Opportunities Fund I in which the Reporting Person has no pecuniary interest. |
Common Stock
(I)
|
414,814 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
Reflects shares of the Issuer's Common Stock purchased in the Issuer's initial public offering. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
61,516 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of the Reporting Person, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
1,333,975 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↑
Filing footnotes — Common Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Common Stock
(I)
|
769,601 |
| 2026-09-28 | ORBIMED ADVISORS LLC |
10% Owner |
Other↓
Filing footnotes — Series C Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, and Erez Chimovits, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series C Preferred Stock
(I)
|
256,448 |
| 2026-09-28 | Chimovits Erez |
Director |
Other↓
Filing footnotes — Series A Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and the Reporting Person, each of whom disclaims beneficial ownership of the shares held by OIP II. Each of the Reporting Person, Israel GP, and Advisors Israel disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series A Preferred Stock
(I)
|
7,127,019 |
| 2026-09-28 | SR ONE CAPITAL MANAGEMENT, LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock (Indirect)
The securities are directly held by SR One Capital Opportunities Fund I, LP ("SR One Opportunities Fund I"). SR One Capital Opportunities Partners I, LP ("SR One Opportunities Partners I") is the sole general partner of SR One Opportunities Fund I, and SR One Capital Management is the sole general partner of SR One Opportunities Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Opportunities Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. |
Common Stock
(I)
|
414,814 |
| 2026-09-28 | GORDON CARL L |
Director |
Other↓
Filing footnotes — Series B-1 Preferred Stock (Indirect)
Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII. Each of the Reporting Person, OrbiMed Advisors, GP VII, Israel GP, Advisors Israel, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose. |
Series B-1 Preferred Stock
(I)
|
769,601 |