ELUT

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of Issuer Class A Common Stock.

On June 21, 2022, the Reporting Person was granted 89,893 restricted stock units, vesting in four substantially equal annual installments beginning in June 21, 2023.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of Issuer Class A Common Stock.

This option was granted automatically under the Issuer's Non-Employee Director Compensation Program and vests and becomes exercisable on the earlier of (i) the day immediately preceding the date of the Issuer's first annual meeting following the date of grant and (ii) the first anniversary of the date of grant, subject to the Reporting Person's continuing in service on the Issuer's board of directors through the applicable vesting date.

This option was granted automatically under the Issuer's Non-Employee Director Compensation Program and vests and becomes exercisable on the earlier of (i) the day immediately preceding the date of the Issuer's first annual meeting following the date of grant and (ii) the first anniversary of the date of grant, subject to the Reporting Person's continuing in service on the Issuer's board of directors through the applicable vesting date.

This option was granted automatically under the Issuer's Non-Employee Director Compensation Program and vests and becomes exercisable on the earlier of (i) the day immediately preceding the date of the Issuer's first annual meeting following the date of grant and (ii) the first anniversary of the date of grant, subject to the Reporting Person's continuing in service on the Issuer's board of directors through the applicable vesting date.

This option was granted automatically under the Issuer's Non-Employee Director Compensation Program and vests and becomes exercisable on the earlier of (i) the day immediately preceding the date of the Issuer's first annual meeting following the date of grant and (ii) the first anniversary of the date of grant, subject to the Reporting Person's continuing in service on the Issuer's board of directors through the applicable vesting date.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 487,500 restricted stock units. Restricted stock units as to 162,500 shares vest in four equal installments upon the Issuer's achievement of a per share price equal to or greater than $6.00, $10.00, $14.00 and $18.00 in each case determined based on twenty consecutive days of trading at or above the applicable threshold subject to the Reporting Person's continuous employment with the Issuer through the vesting date; provided, however, if the vesting date for any restricted stock units that vest on stock performance is not during one of the Company's open trading windows, the vesting shall be delayed until the first business day of the next open trading window.

Restricted stock units as to 325,000 shares vest as follows: 1/6 on June 10, 2024, and 1/12 quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 150,000 restricted stock units. Restricted stock units as to 1/6 vest on June 10, 2024, and as to 1/12 vest quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 150,000 restricted stock units. Restricted stock units as to 1/6 vest on June 10, 2024, and as to 1/12 vest quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Mr. Rakin caused a trust to distribute the reported securities to beneficiaries of the trust (for the avoidance of doubt, without payment of consideration by such beneficiaries). Mr. Rakin disclaims beneficial ownership of the securities held by the trusts except to the extent of his pecuniary interest therein.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 150,000 restricted stock units, Restricted stock units as to 1/6 vest on June 10, 2024, and as to 1/12 vest quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Includes 14,218 shares of Class A Common Stock acquired under the Company's 2020 Employee Stock Purchase Plan.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Includes 17,580 shares of Class A Common Stock acquired under the Company's 2020 Employee Stock Purchase Plan.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 150,000 restricted stock units, Restricted stock units as to 1/6 vest on June 10, 2024, and as to 1/12 vest quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 487,500 restricted stock units. Restricted stock units as to 162,500 shares vest in four equal installments upon the Issuer's achievement of a per share price equal to or greater than $6.00, $10.00, $14.00 and $18.00 in each case determined based on twenty consecutive days of trading at or above the applicable threshold subject to the Reporting Person's continuous employment with the Issuer through the vesting date; provided, however, if the vesting date for any restricted stock units that vest on stock performance is not during one of the Company's open trading windows, the vesting shall be delayed until the first business day of the next open trading window.

Restricted stock units as to 325,000 shares vest as follows: 1/6 on June 10, 2024, and 1/12 quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Includes 17,580 shares of Class A Common Stock acquired under the Company's 2020 Employee Stock Purchase Plan.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Includes 14,218 shares of Class A Common Stock acquired under the Company's 2020 Employee Stock Purchase Plan.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.05 to $1.08. The reporting person undertakes to provide Elutia Inc. ( the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.03 to $1.07. The reporting person undertakes to provide Elutia Inc. ( the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.03 to $1.10. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.00 to $1.10. The reporting person undertakes to provide Elutia Inc. ( the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The option vests monthly over four years beginning one month after grant date such that the option shall be fully vested and exercisable on January 1, 2030.

The option vests monthly over four years beginning one month after grant date such that the option shall be fully vested and exercisable on January 1, 2030.

The option vests monthly over four years beginning one month after grant date such that the option shall be fully vested and exercisable on January 1, 2030.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.51 to $0.53. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.51 to $0.54. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

On December 11, 2025, HighCape Partners, L.P, HighCape Partners QP, L.P., HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC distributed all of their shares of the Issuer's Class A Common Stock to their partners and members pro rata according to such partners' and members' interests without payment of consideration by such partners and members. Mr. Rakin, chairman of the Issuer's board of directors, received 126,120 shares pursuant to such distribution and his irrevocable trusts received 181,612 shares. The distribution of such shares resulted in a change in the form of Mr. Rakin's beneficial ownership only and consequently such shares are not included in the amount distributed in column 4.

This amendment is filed solely to add HighCape Partners GP, LLC, HighCape Partners GP, L.P., HighCape Partners, L.P., HighCape Partners QP, L.P., HighCape Partners GP II, LLC, HighCape Partners GP II, L.P., HighCape Partners QP II, L.P., HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC as filers to the Form 4 originally filed by Mr. Rakin on December 15, 2025 and amended on December 17, 2025. This filing is otherwise identical in substantive content to the amended Form 4 filed by Mr. Rakin on December 17, 2025.

Includes: (i) 4,562,431 shares of Common Stock held of record by HighCape Partners QP II, L.P.; (ii) 144,128 shares owned by other HighCape entities over whom Mr. Rakin may be deemed to exercise beneficial ownership in his capacity as managing member of the general partner of such entity or as managing member of the general partner of the general partner of such entity; and (iii) 272,419 shares owned by Mr. Rakin's irrevocable trusts.

Mr. Rakin is a managing member of HighCape Partners GP, LLC, which is the general partner ("GP") of HighCape Partners GP, L.P., which is the GP of each of HighCape Partners, L.P. and HighCape Partners QP, L.P. Mr. Rakin is the managing member of HighCape Partners GP II, LLC, which is the GP of HighCape Partners GP II, L.P., which is the GP of HighCape Partners QP II, L.P. and another HighCape entity that owns shares of record. HighCape Partners GP, L.P. manages each of HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC. In addition, Mr. Rakin is a managing member of the GP of another HighCape entity that owns shares of record.

Mr. Rakin, HighCape Partners GP, LLC and HighCape Partners GP, L.P. may have been deemed to beneficially own the securities distributed by HighCape Partners, L.P., HighCape Partners QP, L.P., HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC. Mr. Rakin, HighCape Partners GP II, LLC and HighCape Partners GP II, L.P. may be deemed to beneficially own the securities held by HighCape Partners QP II, L.P. and the other entity for which HighCape Partners GP II, L.P. serves as GP. Finally, Mr. Rakin may be deemed to beneficially own the securities held by another HighCape entity by virtue of his serving as managing member of such entity's GP. Mr. Rakin disclaims beneficial ownership of the securities held by the other persons referred to herein except to the extent of his pecuniary interest therein, if any.

On December 11, 2025, HighCape Partners, L.P, HighCape Partners QP, L.P., HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC distributed all of their shares of the Issuer's Class A Common Stock to their partners and members pro rata according to such partners' and members' interests without payment of consideration by such partners and members. Mr. Rakin, chairman of the Issuer's board of directors, received 126,120 shares pursuant to such distribution and his irrevocable trusts received 181,612 shares. The distribution of such shares resulted in a change in the form of Mr. Rakin's beneficial ownership only.

Includes: (i) 4,562,431 shares of Common Stock held of record by HighCape Partners QP II, L.P.; (ii) 144,128 shares owned by other HighCape entities over whom Mr. Rakin may be deemed to exercise beneficial ownership in his capacity as managing member of the general partner of such entity or as managing member of the general partner of the general partner of such entity; and (iii) 272,419 shares owned by Mr. Rakin's irrevocable trusts.

Mr. Rakin is a managing member of HighCape Partners GP, LLC, which is the general partner ("GP") of HighCape Partners GP, L.P., which is the GP of each of HighCape Partners, L.P. and HighCape Partners QP, L.P. Mr. Rakin is the managing member of HighCape Partners GP II, LLC, which is the GP of HighCape Partners GP II, L.P., which is the GP of HighCape Partners QP II, L.P. and another HighCape entity that owns shares of record. HighCape Partners GP, L.P. manages each of HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC. In addition, Mr. Rakin is a managing member of the GP of another HighCape entity that owns shares of record.

Mr. Rakin, HighCape Partners GP, LLC and HighCape Partners GP, L.P. may have been deemed to beneficially own the securities distributed by HighCape Partners, L.P., HighCape Partners QP, L.P., HighCape Co-Investment Vehicle I, LLC and HighCape Co-Investment Vehicle II, LLC. Mr. Rakin, HighCape Partners GP II, LLC and HighCape Partners GP II, L.P. may be deemed to beneficially own the securities held by HighCape Partners QP II, L.P. and the other entity for which HighCape Partners GP II, L.P. serves as GP. Finally, Mr. Rakin may be deemed to beneficially own the securities held by another HighCape entity by virtue of his serving as managing member of such entity's GP. Mr. Rakin disclaims beneficial ownership of the securities held by the other persons referred to herein except to the extent of his pecuniary interest therein, if any.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 150,000 restricted stock units. Restricted stock units as to 1/6 vest on June 10, 2024, and as to 1/12 vest quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On March 5, 2025, the Reporting Person was granted 25,000 restricted stock units which vest in four equal installments on March 10, 2025, June 10, 2025, September 10 2025 and December 10, 2025.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 150,000 restricted stock units. Restricted stock units as to 1/6 vest on June 10, 2024, and as to 1/12 vest quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

On January 31, 2024, the Reporting Person was granted 487,500 restricted stock units. Restricted stock units as to 162,500 shares vest in four equal installments upon the Issuer's achievement of a per share price equal to or greater than $6.00, $10.00, $14.00 and $18.00 in each case determined based on twenty consecutive days of trading at or above the applicable threshold subject to the Reporting Person's continuous employment with the Issuer through the vesting date; provided, however, if the vesting date for any restricted stock units that vest on stock performance is not during one of the Company's open trading windows, the vesting shall be delayed until the first business day of the next open trading window.

Restricted stock units as to 325,000 shares vest as follows: 1/6 on June 10, 2024, and 1/12 quarterly on each of the following dates: September 10, 2024, December 10, 2024, March 10, 2025, June 10, 2025, September 10, 2025, December 10, 2025, March 10, 2026, June 10, 2026, September 10, 2026, and December 10, 2026.

Transaction represents shares of the Issuer's Class A Common Stock received from the vesting of restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.