OrbiMed Capital GP VI LLC

SEC source: 0000947871-23-000951 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

OrbiMed Genesis GP LLC · CIK 0001808744 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 5,582,144

F1 · security: On September 14, 2023, the Reporting Persons filed a Form 4 that inadvertently reported the acquisition of shares of the Issuer's common stock rather than shares of Non-Voting Common Stock. This amendment corrects the type of shares of Issuer common stock acquired by the Reporting Persons and the amount of securities beneficially owned by the Reporting Persons.

F2 · security: Each share of Non-Voting Common Stock is convertible into one share of the Issuer's common stock at any time at the option of the holder without payment or additional consideration, subject to a 9.99% beneficial ownership limitation that may be increased or decreased by the holder upon 61 days' notice to the Issuer.

F3 · price: Received in exchange for shares of Class A common stock of Pionyr Immunotherapeutics, Inc. ("Pionyr") in accordance with the terms of the Agreement and Plan of Merger, dated August 4, 2023, by and among the Issuer, Portsmouth Merger Sub I, Inc., a wholly owned subsidiary of the Issuer, Portsmouth Merger Sub II, LLC, a wholly owned subsidiary of the Issuer, Pionyr, and Fortis Advisors LLC, as securityholder agent.

F1 · balance_after: On September 14, 2023, the Reporting Persons filed a Form 4 that inadvertently reported the acquisition of shares of the Issuer's common stock rather than shares of Non-Voting Common Stock. This amendment corrects the type of shares of Issuer common stock acquired by the Reporting Persons and the amount of securities beneficially owned by the Reporting Persons.

F4 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI. OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisers Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F6 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VI, 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 1943, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. OrbiMed Advisors has designated a representative, David P. Bonita ("Bonita"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons or Bonita is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000777 · ownership.xml · derivative · entry 6

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 229,158 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.exercise_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.expiration_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F3 · ownership.nature: Each of OrbiMed Advisors and GP VI 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. OrbiMed Advisors and GP VI have designated a representative, Rishi Gupta, 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000777 · ownership.xml · derivative · entry 5

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 266,240 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.exercise_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.expiration_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F3 · ownership.nature: Each of OrbiMed Advisors and GP VI 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. OrbiMed Advisors and GP VI have designated a representative, Rishi Gupta, 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000777 · ownership.xml · derivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,249,829 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.exercise_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.expiration_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F3 · ownership.nature: Each of OrbiMed Advisors and GP VI 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. OrbiMed Advisors and GP VI have designated a representative, Rishi Gupta, 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000777 · ownership.xml · derivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 937,372 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.exercise_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F1 · derivative.expiration_date: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F3 · ownership.nature: Each of OrbiMed Advisors and GP VI 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. OrbiMed Advisors and GP VI have designated a representative, Rishi Gupta, 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000777 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 3,099,265

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F3 · ownership.nature: Each of OrbiMed Advisors and GP VI 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. OrbiMed Advisors and GP VI have designated a representative, Rishi Gupta, 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000777 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,682,599

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Series B-1 Preferred Stock, Series B-2 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-to-one basis immediately prior to the closing of the Issuer's initial public offering and have no expiration date.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F3 · ownership.nature: Each of OrbiMed Advisors and GP VI 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. OrbiMed Advisors and GP VI have designated a representative, Rishi Gupta, 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000713 · ownership.xml · nonDerivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP V LLC · CIK 0001615374 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · Director · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · Director · 10% owner

OrbiMed Israel GP Ltd. · CIK 0001569590 · Director · 10% owner

OrbiMed Israel BioFund GP Limited Partnership · CIK 0001569821 · Director · 10% owner

Chimovits Erez · CIK 0001706399 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 748,054

F1 · price: Represents the weighted average purchase price of the shares of common stock purchased, ranging from a low of $2.08 to a high of $2.12 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares purchased at each separate price.

F5 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VI and, as a result, may be deemed to have beneficial ownership over such shares of common stock. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership over the shares of common stock held by OPI VI.

F7 · ownership.nature: Each of OrbiMed Advisors, OrbiMed BioFund, OrbiMed Israel GP, OrbiMed Israel GP II, OrbiMed Israel II, GP V, GP VI, Genesis GP, and Erez Chimovits 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 his or its pecuniary interest therein, if any. OrbiMed Advisors, GP V and GP VI have designated a representative, Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such person or entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000713 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP V LLC · CIK 0001615374 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · Director · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · Director · 10% owner

OrbiMed Israel GP Ltd. · CIK 0001569590 · Director · 10% owner

OrbiMed Israel BioFund GP Limited Partnership · CIK 0001569821 · Director · 10% owner

Chimovits Erez · CIK 0001706399 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 5,685,259

F1 · price: Represents the weighted average purchase price of the shares of common stock purchased, ranging from a low of $2.08 to a high of $2.12 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares purchased at each separate price.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments V, LP ("OPI V"). OrbiMed Capital GP V LLC ("GP V") is the general partner of OPI V, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of GP V. By virtue of such relationships, GP V and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI V and, as a result, may be deemed to have beneficial ownership over such shares of common stock. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership over the shares of common stock held by OPI V.

F7 · ownership.nature: Each of OrbiMed Advisors, OrbiMed BioFund, OrbiMed Israel GP, OrbiMed Israel GP II, OrbiMed Israel II, GP V, GP VI, Genesis GP, and Erez Chimovits 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 his or its pecuniary interest therein, if any. OrbiMed Advisors, GP V and GP VI have designated a representative, Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such person or entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000713 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP V LLC · CIK 0001615374 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · Director · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · Director · 10% owner

OrbiMed Israel GP Ltd. · CIK 0001569590 · Director · 10% owner

OrbiMed Israel BioFund GP Limited Partnership · CIK 0001569821 · Director · 10% owner

Chimovits Erez · CIK 0001706399 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 646,657

F1 · price: Represents the weighted average purchase price of the shares of common stock purchased, ranging from a low of $2.08 to a high of $2.12 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares purchased at each separate price.

F3 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("OrbiMed Israel GP II") is the general partner of OIP II, and OrbiMed Advisors Israel II Limited ("OrbiMed Israel II") is the general partner of OrbiMed Israel GP II. By virtue of such relationships, OrbiMed Israel GP II and OrbiMed Israel II may be deemed to have voting and investment power over the shares of common stock held by OIP II and, as a result, may be deemed to have beneficial ownership over such shares of common stock. OrbiMed Israel II exercises this investment and voting power through an investment committee comprised of Carl L. Gordon, David Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership over the shares of common stock held by OIP II.

F7 · ownership.nature: Each of OrbiMed Advisors, OrbiMed BioFund, OrbiMed Israel GP, OrbiMed Israel GP II, OrbiMed Israel II, GP V, GP VI, Genesis GP, and Erez Chimovits 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 his or its pecuniary interest therein, if any. OrbiMed Advisors, GP V and GP VI have designated a representative, Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such person or entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000713 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP V LLC · CIK 0001615374 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · Director · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · Director · 10% owner

OrbiMed Israel GP Ltd. · CIK 0001569590 · Director · 10% owner

OrbiMed Israel BioFund GP Limited Partnership · CIK 0001569821 · Director · 10% owner

Chimovits Erez · CIK 0001706399 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 1,027,885

F1 · price: Represents the weighted average purchase price of the shares of common stock purchased, ranging from a low of $2.08 to a high of $2.12 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares purchased at each separate price.

F2 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Israel Partners Limited Partnership ("OIP"). OrbiMed Israel BioFund GP Limited Partnership ("OrbiMed BioFund") is the general partner of OIP, and OrbiMed Israel GP Ltd. ("OrbiMed Israel GP") is the general partner of OrbiMed BioFund. By virtue of such relationships, OrbiMed BioFund and OrbiMed Israel GP may be deemed to have voting and investment power over the shares of common stock held by OIP and, as a result, may be deemed to have beneficial ownership over such shares of common stock. OrbiMed Israel GP exercises this investment and voting power through an investment committee comprised of Carl L. Gordon and Erez Chimovits, each of whom disclaims beneficial ownership over the shares of common stock held by OIP.

F7 · ownership.nature: Each of OrbiMed Advisors, OrbiMed BioFund, OrbiMed Israel GP, OrbiMed Israel GP II, OrbiMed Israel II, GP V, GP VI, Genesis GP, and Erez Chimovits 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 his or its pecuniary interest therein, if any. OrbiMed Advisors, GP V and GP VI have designated a representative, Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such person or entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000628 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

ORBIMED CAPITAL LLC · CIK 0001157524 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 10,119,756

F1 · shares: These shares of the Issuer's common stock were purchased from the Issuer in an underwritten public offering.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, OrbiMed Advisors and GP VI may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F4 · ownership.nature: Each of OrbiMed Advisors, GP VI, and OrbiMed Capital 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. OrbiMed Advisors and GP VI have designated a representative, David Bonita, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such person or entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000586 · ownership.xml · nonDerivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,777,778

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F2 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any 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.

SEC source: 0000947871-23-000586 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 4,123,091

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F2 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any 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.

SEC source: 0000947871-23-000586 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 4,137,491

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F2 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any 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.

SEC source: 0000947871-23-000586 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 4,180,691

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F2 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any 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.

SEC source: 0000947871-23-000205 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 299,205

F1 · price: These shares of the Issuer's common stock were purchased in a registered direct offering.

F4 · ownership.nature: These securities are held of record by OrbiMed Genesis Master Fund, L.P. ("Genesis"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of Genesis and 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 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by Genesis.

F5 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VIII, GP VI, 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 a representative, Mona Ashiya, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000205 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 773,607

F1 · price: These shares of the Issuer's common stock were purchased in a registered direct offering.

F3 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI and OrbiMed Advisors is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F5 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VIII, GP VI, 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 a representative, Mona Ashiya, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-23-000205 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,196,825

F1 · price: These shares of the Issuer's common stock were purchased in a registered direct offering.

F2 · ownership.nature: These securities are held of record by OrbiMed Private Investments VIII, LP ("OPI VIII"). OrbiMed Capital GP VIII LLC ("GP VIII") is the general partner of OPI VIII and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VIII. By virtue of such relationships, GP VIII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VIII 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VIII.

F5 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VIII, GP VI, 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 a representative, Mona Ashiya, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-23-000460 · doc4.xml · nonDerivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,139,507

F1 · kind: Gemini Therapeutics, Inc. (" Gemini"), and Disc Medicine Opco, Inc. (f/k/a Disc Medicine, Inc.) ("Disc"), entered into an Agreement and Plan of Merger and Reorganization (the "Merger Agreement"), on August 9, 2022, pursuant to which, among other matters, a direct, wholly owned subsidiary of Gemini, Gemstone Merger Sub, Inc. ("Merger Sub"), merged with and into Disc, with Disc surviving as a wholly owned subsidiary of Gemini, and the surviving corporation of the merger, which transaction is referred to herein as the merger. The merger closed on December 29, 2022. Following the effectiveness of the merger on December 29, 2022, the surviving corporation changed its name from Gemini to Disc Medicine, Inc. (the "Issuer").

F2 · kind: (Continued from footnote 1) Upon the closing of the merger, each share of Disc common stock (after giving effect to the conversion of each share of Disc's preferred stock into Disc common stock and including all such shares that are converted into Disc common stock) was converted into the right to receive a number of shares of Gemini common stock equal to an exchange ratio of 0.1096.

F1 · price: Gemini Therapeutics, Inc. (" Gemini"), and Disc Medicine Opco, Inc. (f/k/a Disc Medicine, Inc.) ("Disc"), entered into an Agreement and Plan of Merger and Reorganization (the "Merger Agreement"), on August 9, 2022, pursuant to which, among other matters, a direct, wholly owned subsidiary of Gemini, Gemstone Merger Sub, Inc. ("Merger Sub"), merged with and into Disc, with Disc surviving as a wholly owned subsidiary of Gemini, and the surviving corporation of the merger, which transaction is referred to herein as the merger. The merger closed on December 29, 2022. Following the effectiveness of the merger on December 29, 2022, the surviving corporation changed its name from Gemini to Disc Medicine, Inc. (the "Issuer").

F2 · price: (Continued from footnote 1) Upon the closing of the merger, each share of Disc common stock (after giving effect to the conversion of each share of Disc's preferred stock into Disc common stock and including all such shares that are converted into Disc common stock) was converted into the right to receive a number of shares of Gemini common stock equal to an exchange ratio of 0.1096.

F5 · ownership.nature: These securities are held of record by OrbiMed Private Investments VIII, LP ("OPI VIII"). OrbiMed Capital GP VIII LLC ("GP VIII") is the general partner of OPI VIII and OrbiMed Advisors is the managing member of GP VIII. By virtue of such relationships, GP VIII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VIII 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VIII.

F6 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, Genesis GP, GP VI, and GP VIII. 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. OrbiMed Advisors, GP VI, and GP VIII have designated a representative, Mona Ashiya ("Ashiya"), an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-23-000460 · doc4.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 736,558

F1 · kind: Gemini Therapeutics, Inc. (" Gemini"), and Disc Medicine Opco, Inc. (f/k/a Disc Medicine, Inc.) ("Disc"), entered into an Agreement and Plan of Merger and Reorganization (the "Merger Agreement"), on August 9, 2022, pursuant to which, among other matters, a direct, wholly owned subsidiary of Gemini, Gemstone Merger Sub, Inc. ("Merger Sub"), merged with and into Disc, with Disc surviving as a wholly owned subsidiary of Gemini, and the surviving corporation of the merger, which transaction is referred to herein as the merger. The merger closed on December 29, 2022. Following the effectiveness of the merger on December 29, 2022, the surviving corporation changed its name from Gemini to Disc Medicine, Inc. (the "Issuer").

F2 · kind: (Continued from footnote 1) Upon the closing of the merger, each share of Disc common stock (after giving effect to the conversion of each share of Disc's preferred stock into Disc common stock and including all such shares that are converted into Disc common stock) was converted into the right to receive a number of shares of Gemini common stock equal to an exchange ratio of 0.1096.

F1 · price: Gemini Therapeutics, Inc. (" Gemini"), and Disc Medicine Opco, Inc. (f/k/a Disc Medicine, Inc.) ("Disc"), entered into an Agreement and Plan of Merger and Reorganization (the "Merger Agreement"), on August 9, 2022, pursuant to which, among other matters, a direct, wholly owned subsidiary of Gemini, Gemstone Merger Sub, Inc. ("Merger Sub"), merged with and into Disc, with Disc surviving as a wholly owned subsidiary of Gemini, and the surviving corporation of the merger, which transaction is referred to herein as the merger. The merger closed on December 29, 2022. Following the effectiveness of the merger on December 29, 2022, the surviving corporation changed its name from Gemini to Disc Medicine, Inc. (the "Issuer").

F2 · price: (Continued from footnote 1) Upon the closing of the merger, each share of Disc common stock (after giving effect to the conversion of each share of Disc's preferred stock into Disc common stock and including all such shares that are converted into Disc common stock) was converted into the right to receive a number of shares of Gemini common stock equal to an exchange ratio of 0.1096.

F4 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI and OrbiMed Advisors is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F6 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, Genesis GP, GP VI, and GP VIII. 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. OrbiMed Advisors, GP VI, and GP VIII have designated a representative, Mona Ashiya ("Ashiya"), an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-23-000460 · doc4.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 582,622

F7 · kind: On December 29, 2022, Gemini effected a 1-for-10 reverse stock split of its common stock.

F7 · price: On December 29, 2022, Gemini effected a 1-for-10 reverse stock split of its common stock.

F4 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI and OrbiMed Advisors is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F6 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, Genesis GP, GP VI, and GP VIII. 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. OrbiMed Advisors, GP VI, and GP VIII have designated a representative, Mona Ashiya ("Ashiya"), an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-23-000460 · doc4.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Capital GP VIII LLC · CIK 0001845804 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 284,876

F1 · kind: Gemini Therapeutics, Inc. (" Gemini"), and Disc Medicine Opco, Inc. (f/k/a Disc Medicine, Inc.) ("Disc"), entered into an Agreement and Plan of Merger and Reorganization (the "Merger Agreement"), on August 9, 2022, pursuant to which, among other matters, a direct, wholly owned subsidiary of Gemini, Gemstone Merger Sub, Inc. ("Merger Sub"), merged with and into Disc, with Disc surviving as a wholly owned subsidiary of Gemini, and the surviving corporation of the merger, which transaction is referred to herein as the merger. The merger closed on December 29, 2022. Following the effectiveness of the merger on December 29, 2022, the surviving corporation changed its name from Gemini to Disc Medicine, Inc. (the "Issuer").

F2 · kind: (Continued from footnote 1) Upon the closing of the merger, each share of Disc common stock (after giving effect to the conversion of each share of Disc's preferred stock into Disc common stock and including all such shares that are converted into Disc common stock) was converted into the right to receive a number of shares of Gemini common stock equal to an exchange ratio of 0.1096.

F1 · price: Gemini Therapeutics, Inc. (" Gemini"), and Disc Medicine Opco, Inc. (f/k/a Disc Medicine, Inc.) ("Disc"), entered into an Agreement and Plan of Merger and Reorganization (the "Merger Agreement"), on August 9, 2022, pursuant to which, among other matters, a direct, wholly owned subsidiary of Gemini, Gemstone Merger Sub, Inc. ("Merger Sub"), merged with and into Disc, with Disc surviving as a wholly owned subsidiary of Gemini, and the surviving corporation of the merger, which transaction is referred to herein as the merger. The merger closed on December 29, 2022. Following the effectiveness of the merger on December 29, 2022, the surviving corporation changed its name from Gemini to Disc Medicine, Inc. (the "Issuer").

F2 · price: (Continued from footnote 1) Upon the closing of the merger, each share of Disc common stock (after giving effect to the conversion of each share of Disc's preferred stock into Disc common stock and including all such shares that are converted into Disc common stock) was converted into the right to receive a number of shares of Gemini common stock equal to an exchange ratio of 0.1096.

F3 · ownership.nature: These securities are held of record by OrbiMed Genesis Master Fund, L.P. ("Genesis Master Fund"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of Genesis Master Fund and OrbiMed Advisors LLC ("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 Genesis Master Fund 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by Genesis Master Fund.

F6 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, Genesis GP, GP VI, and GP VIII. 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. OrbiMed Advisors, GP VI, and GP VIII have designated a representative, Mona Ashiya ("Ashiya"), an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-001257 · ownership.xml · nonDerivative · entry 5

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 34,085,528

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F6 · price: Represents the weighted average sale price of the Ordinary Shares sold, ranging from a low of $23.90 to a high of $24.35 per Ordinary Share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Ordinary Shares sold at each separate price.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F7 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-001257 · ownership.xml · nonDerivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 34,178,520

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F5 · price: Represents the weighted average sale price of the Ordinary Shares sold, ranging from a low of $22.89 to a high of $23.88 per Ordinary Share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Ordinary Shares sold at each separate price.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F7 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-001257 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 35,294,568

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F4 · price: Represents the weighted average sale price of the Ordinary Shares sold, ranging from a low of $21.89 to a high of $22.87 per Ordinary Share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Ordinary Shares sold at each separate price.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F7 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-001257 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 36,255,896

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F3 · price: Represents the weighted average sale price of the Ordinary Shares sold, ranging from a low of $22.00 to a high of $22.26 per Ordinary Share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Ordinary Shares sold at each separate price.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F7 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-001257 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 36,940,592

F1 · shares: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F2 · price: Represents the weighted average sale price of the Ordinary Shares sold, ranging from a low of $21.00 to a high of $21.99 per Ordinary Share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Ordinary Shares sold at each separate price.

F1 · balance_after: Consists of American Depository Shares ("ADSs") held of record by OrbiMed Private Investments VI, LP ("OPI VI"). Each ADS represents eight Ordinary Shares of the Issuer.

F7 · ownership.nature: These securities are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of OrbiMed GP. By virtue of such relationships, OrbiMed GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors and OrbiMed 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 a representative, Rishi Gupta, an employee of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-001214 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,328,328

F1 · price: These shares of the Issuer's common stock ("Shares") were purchased in an underwritten public offering.

F2 · ownership.nature: These Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and Advisors may be deemed to have voting and investment power over the securities held by OPI VI and as a result may be deemed to have beneficial ownership over such securities. Advisors exercises its investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by OPI VI.

F4 · ownership.nature: This report on Form 4 is jointly filed by GP VI, Advisors, 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. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0000947871-22-000972 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,981,952

F1 · price: These shares of the Issuer's common stock ("Shares") were purchased in an underwritten public offering.

F2 · ownership.nature: The Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by OPI VI.

F4 · ownership.nature: This report on Form 4 is jointly filed by GP VI, OrbiMed Advisors, 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. OrbiMed Advisors has designated Peter A. Thompson ("Thompson"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons, or Thompson, is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000964 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,599,842

F1 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F2 · ownership.nature: This report on Form 4 is filed by OrbiMed Advisors and OrbiMed GP VI. 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. This report on Form 4 shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000964 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,629,842

F1 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F2 · ownership.nature: This report on Form 4 is filed by OrbiMed Advisors and OrbiMed GP VI. 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. This report on Form 4 shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000842 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,753,739

F1 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F2 · ownership.nature: This report on Form 4 is filed by OrbiMed Advisors and OrbiMed GP VI. 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. This report on Form 4 shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000842 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,823,307

F1 · ownership.nature: These securities are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VI 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, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F2 · ownership.nature: This report on Form 4 is filed by OrbiMed Advisors and OrbiMed GP VI. 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. This report on Form 4 shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000722 · ownership.xml · nonDerivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

OrbiMed Genesis GP LLC · CIK 0001808744 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,098,097

F4 · price: These Shares were purchased in a block at a price of $5.37.

F6 · ownership.nature: The Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI. OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisers Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VI, 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 1943, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. OrbiMed Advisors has designated a representative, David P. Bonita ("Bonita"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons or Bonita is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000722 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

OrbiMed Genesis GP LLC · CIK 0001808744 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,002,062

F3 · price: These Shares were purchased in a block at a price of $4.37.

F6 · ownership.nature: The Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI. OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisers Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VI, 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 1943, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. OrbiMed Advisors has designated a representative, David P. Bonita ("Bonita"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons or Bonita is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000722 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

OrbiMed Genesis GP LLC · CIK 0001808744 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,936,097

F2 · price: These Shares were purchased in a block at a price of $3.71.

F6 · ownership.nature: The Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI. OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisers Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VI, 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 1943, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. OrbiMed Advisors has designated a representative, David P. Bonita ("Bonita"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons or Bonita is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000722 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director

OrbiMed Genesis GP LLC · CIK 0001808744 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,912,678

F1 · price: These shares of the Issuer's common stock ("Shares") were purchased in multiple transactions at prices ranging from $3.53 to $3.68. The price reported reflects the weighted average purchase price. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer 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 ranges set forth in this footnote.

F6 · ownership.nature: The Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI. OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisers Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F8 · ownership.nature: This report on Form 4 is jointly filed by OrbiMed Advisors, GP VI, 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 1943, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. OrbiMed Advisors has designated a representative, David P. Bonita ("Bonita"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons or Bonita is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000629 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,497,456

F1 · price: These shares of the Issuer's common stock ("Shares") were purchased in multiple transactions at prices ranging from $7.04 to $7.24. The price reported reflects the weighted average purchase price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer 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 ranges set forth in this footnote.

F2 · ownership.nature: The Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by OPI VI.

F4 · ownership.nature: This report on Form 4 is jointly filed by GP VI, OrbiMed Advisors, 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. OrbiMed Advisors has designated Peter A. Thompson ("Thompson"), a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons, or Thompson, is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000113 · ownership.xml · nonDerivative · entry 4

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,829,436

F3 · price: The Shares were sold in block sale at a price of $8.38.

F4 · ownership.nature: These Shares are held of record by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP II") is the general partner of OIP II, and OrbiMed Advisors Israel II Limited ("Advisors Israel II") is the general partner of Israel GP II. By virtue of such relationships, Israel GP II and Advisors Israel II may be deemed to have voting and investment power with respect to the securities held directly by OIP II noted above and, as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel II 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.

F5 · ownership.nature: This report is being jointly filed by OrbiMed Advisors, OrbiMed GP VI, Israel GP II, and Advisors Israel II. 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. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000113 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,829,433

F3 · price: The Shares were sold in block sale at a price of $8.38.

F2 · ownership.nature: These Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("OrbiMed GP VI") is the general partner of OPI VI and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of OrbiMed GP VI. By virtue of such relationships, OrbiMed GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI noted above and, as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F4 · ownership.nature: These Shares are held of record by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP II") is the general partner of OIP II, and OrbiMed Advisors Israel II Limited ("Advisors Israel II") is the general partner of Israel GP II. By virtue of such relationships, Israel GP II and Advisors Israel II may be deemed to have voting and investment power with respect to the securities held directly by OIP II noted above and, as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel II 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.

SEC source: 0000947871-22-000113 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,840,176

F1 · price: Represents the weighted average sale price of the shares of the Issuer's common stock ("Shares") sold ranging from a low of $8.40 to a high of $8.58 per Share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Shares purchased at each separate price.

F4 · ownership.nature: These Shares are held of record by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP II") is the general partner of OIP II, and OrbiMed Advisors Israel II Limited ("Advisors Israel II") is the general partner of Israel GP II. By virtue of such relationships, Israel GP II and Advisors Israel II may be deemed to have voting and investment power with respect to the securities held directly by OIP II noted above and, as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel II 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.

F5 · ownership.nature: This report is being jointly filed by OrbiMed Advisors, OrbiMed GP VI, Israel GP II, and Advisors Israel II. 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. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-22-000113 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,840,175

F1 · price: Represents the weighted average sale price of the shares of the Issuer's common stock ("Shares") sold ranging from a low of $8.40 to a high of $8.58 per Share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of Shares purchased at each separate price.

F2 · ownership.nature: These Shares are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("OrbiMed GP VI") is the general partner of OPI VI and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of OrbiMed GP VI. By virtue of such relationships, OrbiMed GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI noted above and, as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F4 · ownership.nature: These Shares are held of record by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP II") is the general partner of OIP II, and OrbiMed Advisors Israel II Limited ("Advisors Israel II") is the general partner of Israel GP II. By virtue of such relationships, Israel GP II and Advisors Israel II may be deemed to have voting and investment power with respect to the securities held directly by OIP II noted above and, as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel II 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.

SEC source: 0000947871-21-001280 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP V LLC · CIK 0001615374 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

OrbiMed Advisors Israel II Ltd · CIK 0001682093 · Director · 10% owner

OrbiMed Israel GP II, L.P. · CIK 0001682090 · Director · 10% owner

OrbiMed Israel GP Ltd. · CIK 0001569590 · Director · 10% owner

OrbiMed Israel BioFund GP Limited Partnership · CIK 0001569821 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 242,285

F2 · shares: These shares of the Issuer's common stock were purchased in the Issuer's underwritten public offering.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Genesis Master Fund, L.P. ("Genesis"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of Genesis, and OrbiMed Advisors is the managing member of Genesis. By virtue of such relationships, Genesis GP and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by Genesis noted above and as a result may be deemed to beneficially own such securities for purposes of Rule 13d-3 under the Exchange Act. OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by Genesis.

F7 · ownership.nature: This report is being jointly filed by OrbiMed Advisors, GP V, GP VI, Genesis, OrbiMed Israel GP II, OrbiMed Israel II, OrbiMed BioFund, and OrbiMed Israel GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Exchange Act, except to the extent of its pecuniary interest therein, if any. OrbiMed Advisors, GP V, GP VI, OrbiMed Israel GP II, OrbiMed Israel II, OrbiMed BioFund, and OrbiMed Israel GP have designated Carl L. Gordon ("Gordon") to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons or Gordon is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-21-001010 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 425,531

F1 · price: These shares of the Issuer's common stock were purchased in a block order at a price of $9.40.

F3 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Genesis Master Fund, L.P. ("Genesis Master Fund"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of Genesis Master Fund and Advisors is the managing member of Genesis GP. Advisors and Genesis GP exercise investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by Genesis Master Fund.

F4 · ownership.nature: This report on Form 4 is jointly filed by GP VI, Advisors, 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. Advisors and GP VI have designated Peter A. Thompson ("Thompson"), an employee of Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons, or Thompson, is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-21-001010 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · Director · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · Director · 10% owner

OrbiMed Genesis GP LLC · CIK 0001808744 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,656,061

F1 · price: These shares of the Issuer's common stock were purchased in a block order at a price of $9.40.

F2 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Capital GP VI LLC ("GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of GP VI. Advisors and GP VI exercise investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by OPI VI.

F4 · ownership.nature: This report on Form 4 is jointly filed by GP VI, Advisors, 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. Advisors and GP VI have designated Peter A. Thompson ("Thompson"), an employee of Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of the Reporting Persons, or Thompson, is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-21-000753 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,028,307

F1 · shares: These shares of the Issuer's common stock were sold in a block order at a price of $85.01 pursuant to a Rule 10b5-1 trading plan established by OrbiMed Private Investments VI, LP ("OPI VI").

F2 · ownership.nature: These shares of the Issuer's common stock are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of OrbiMed GP VI. By virtue of such relationships, OrbiMed GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI noted above and, as a result, may be deemed to beneficially own such securities for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report is being jointly filed by OrbiMed Advisors and OrbiMed GP VI. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-21-000737 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,044,266

F1 · shares: These shares of the Issuer's common stock were sold in a block order at a price of $85.17 pursuant to a Rule 10b5-1 trading plan established by OrbiMed Private Investments VI, LP ("OPI VI").

F2 · ownership.nature: These shares of the Issuer's common stock are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of OrbiMed GP VI. By virtue of such relationships, OrbiMed GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI noted above and, as a result, may be deemed to beneficially own such securities for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and Jonathan T. Silverstein, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report is being jointly filed by OrbiMed Advisors and OrbiMed GP VI. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-21-000713 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,050,768

F5 · shares: These shares of the Issuer's common stock were sold in a block order at a price of $85.14 pursuant to a Rule 10b5-1 trading plan established by OPI VI.

F2 · ownership.nature: These shares of the Issuer's common stock are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of OrbiMed GP VI. By virtue of such relationships, OrbiMed GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI noted above and, as a result, may be deemed to beneficially own such securities for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and Jonathan T. Silverstein, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report is being jointly filed by OrbiMed Advisors and OrbiMed GP VI. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000947871-21-000713 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VI LLC · CIK 0001682115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,073,102

F4 · shares: These shares of the Issuer's common stock were sold in a block order at a price of $85.22 pursuant to a Rule 10b5-1 trading plan established by OPI VI.

F2 · ownership.nature: These shares of the Issuer's common stock are held of record by OPI VI. OrbiMed Capital GP VI LLC ("OrbiMed GP VI") is the general partner of OPI VI, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of OrbiMed GP VI. By virtue of such relationships, OrbiMed GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by OPI VI noted above and, as a result, may be deemed to beneficially own such securities for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). OrbiMed Advisors exercises this investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and Jonathan T. Silverstein, each of whom disclaims beneficial ownership of the shares held by OPI VI.

F3 · ownership.nature: This report is being jointly filed by OrbiMed Advisors and OrbiMed GP VI. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under 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 the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.