MBX
MBX Biosciences, Inc.Company with tickers: MBX
CIK
1776111
CUSIP
55287L101
Shares Outstanding
47,597,536
Website
https://www.mbxbio.com
Investor Relations
https://mbxbio.com/investors/
13F Activity (30d)
3 filings
2 filers
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-06-10 | Bartram Richard | Former Officer | 9,167 | 2026-06-10 | Fidelity Brokerage Services LLC |
| 2026-06-09 | Bartram Richard | Former Officer | 10,833 | 2026-06-09 | Fidelity Brokerage Services LLC |
| 2026-05-13 | Bartram Richard | Former Officer | 15,000 | 2026-05-13 | Fidelity Brokerage Services LLC |
| 2026-05-11 | Bartram Richard | Former Officer | 22,500 | 2026-05-11 | Fidelity Brokerage Services LLC |
| 2026-05-08 | Azoulay Salomon | Officer | 70,003 | 2026-05-08 | Fidelity Brokerage Services LLC |
| 2026-05-08 | Bartram Richard | Former Officer | 10,000 | 2026-05-08 | Fidelity Brokerage Services LLC |
| 2026-05-07 | Bartram Richard | Former Officer | 10,000 | 2026-05-07 | Fidelity Brokerage Services LLC |
| 2026-05-06 | Hawryluk P. Kent | Officer, Director | 607 | 2026-05-06 | Fidelity Brokerage Services LLC |
| 2026-05-06 | Azoulay Salomon | Officer | 231 | 2026-05-06 | Fidelity Brokerage Services LLC |
| 2026-05-01 | Bartram Richard | Former Officer | 5,000 | 2026-05-01 | Fidelity Brokerage Services LLC |
| 2026-04-22 | Bartram Richard | Former Officer | 10,423 | 2026-04-22 | Fidelity Brokerage Services LLC |
| 2026-03-25 | Bartram Richard | Former Officer | 1,061 | 2026-03-25 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Bartram Richard | Former Officer | 10,000 | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-01-12 | CORNELIUS JAMES M | Former Director | 30,864 | 2026-01-12 | Fidelity Brokerage Services LLC |
Showing 1–14 of 14 filings