MTVA

SEC source: 0001104659-26-115494 · tm2627211-2_4seq1.xml · nonDerivative · entry 1

Browne Sarah Kaplan · CIK 0002158844 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,000

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests as to 50% on each of the first and second anniversaries of the date of grant, subject to the Reporting Person's continuing service on the applicable vesting date.

SEC source: 0001104659-26-071473 · tm2617186-4_4seq1.xml · nonDerivative · entry 1

Salsbury Michael · CIK 0001798308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,338

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 8, 2027 or the day immediately prior to the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-071472 · tm2617186-3_4seq1.xml · nonDerivative · entry 1

GROVES JASON L · CIK 0001480679 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,338

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 8, 2027 or the day immediately prior to the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-071469 · tm2617186-1_4seq1.xml · nonDerivative · entry 1

Glickman Mark A · CIK 0001441461 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,629

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 8, 2027 or the day immediately prior to the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-071471 · tm2617186-2_4seq1.xml · nonDerivative · entry 1

KOVEN ANDREW I · CIK 0001258673 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,339

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 8, 2027 or the day immediately prior to the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-071474 · tm2617186-5_4seq1.xml · nonDerivative · entry 1

STRICKLAND D GORDON · CIK 0001223039 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,339

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 8, 2027 or the day immediately prior to the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-071475 · tm2617186-6_4seq1.xml · nonDerivative · entry 1

Tursi James Patrick · CIK 0001527710 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,568

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 8, 2027 or the day immediately prior to the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-006978 · tm264118-2_4seq1.xml · nonDerivative · entry 1

Woodworth Marshall H · CIK 0001492648 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,734

F1 · shares: Represents a grant of restricted stock units issued to the reporting person under the Issuer's 2022 Amended and Restated Equity Incentive Plan, which vests as to 50% on each of the first and second anniversaries of the grant date, subject to continuing service.

F2 · balance_after: The number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-26-006975 · tm264118-1_4seq1.xml · nonDerivative · entry 1

Kim Hyung Heon · CIK 0001873258 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,545

F1 · shares: Represents a grant of restricted stock units issued to the reporting person under the Issuer's 2022 Amended and Restated Equity Incentive Plan, which vests as to 50% on each of the first and second anniversaries of the grant date, subject to continuing service.

F2 · balance_after: The number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-11 reverse stock split on December 4, 2025.

SEC source: 0001104659-25-077612 · tm2523394-1_4seq1.xml · nonDerivative · entry 1

Woodworth Marshall H · CIK 0001492648 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,079

SEC source: 0001104659-25-064705 · tm2519510-1_4seq1.xml · nonDerivative · entry 1

Salsbury Michael · CIK 0001798308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,699

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 30, 2026 or the day immediately prior to the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

SEC source: 0001104659-25-064715 · tm2519510-5_4seq1.xml · nonDerivative · entry 1

GROVES JASON L · CIK 0001480679 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,699

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 30, 2026 or the day immediately prior to the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

SEC source: 0001104659-25-064716 · tm2519510-6_4seq1.xml · nonDerivative · entry 1

Glickman Mark A · CIK 0001441461 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,887

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 30, 2026 or the day immediately prior to the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

SEC source: 0001104659-25-064706 · tm2519510-2_4seq1.xml · nonDerivative · entry 1

KOVEN ANDREW I · CIK 0001258673 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,699

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 30, 2026 or the day immediately prior to the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

SEC source: 0001104659-25-064708 · tm2519510-3_4seq1.xml · nonDerivative · entry 1

STRICKLAND D GORDON · CIK 0001223039 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,699

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 30, 2026 or the day immediately prior to the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

SEC source: 0001104659-25-064710 · tm2519510-4_4seq1.xml · nonDerivative · entry 1

Tursi James Patrick · CIK 0001527710 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,219

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's Amended and Restated 2022 Equity Incentive Plan, which vests on the earlier of June 30, 2026 or the day immediately prior to the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

SEC source: 0001104659-25-056382 · tm2517146-1_4seq1.xml · nonDerivative · entry 1

Woodworth Marshall H · CIK 0001492648 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,279

SEC source: 0000899140-25-000718 · form4.xml · nonDerivative · entry 1

DONG-A ST CO., LTD · CIK 0001799260 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,995,679

SEC source: 0001104659-25-020282 · tm258191-2_4seq1.xml · nonDerivative · entry 1

Woodworth Marshall H · CIK 0001492648 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,079

F1 · price: Shares were withheld by the Issuer in satisfaction of the Reporting Person's tax liabilities in connection with the vesting of restricted stock units, based on the Issuer's closing price on February 28, 2025.

SEC source: 0001104659-25-020281 · tm258191-1_4seq1.xml · nonDerivative · entry 1

Kim Hyung Heon · CIK 0001873258 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,004

F1 · price: Shares were withheld by the Issuer in satisfaction of the Reporting Person's tax liabilities in connection with the vesting of restricted stock units, based on the Issuer's closing price on February 28, 2025.

SEC source: 0001104659-24-124721 · tm2429956-1_4seq1.xml · nonDerivative · entry 1

Kim Hyung Heon · CIK 0001873258 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,799

F1 · price: Shares were withheld by the Issuer in satisfaction of the Reporting Person's tax liabilities in connection with the vesting of restricted stock units, based on the Issuer's closing price on November 29, 2024.

SEC source: 0000899140-24-001036 · form4.xml · derivative · entry 3

DONG-A ST CO., LTD · CIK 0001799260 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,816,795

Underlying: Common Stock · 3,816,795 shares

Expires 2029-09-18

F2 · price: On June 13, 2024, the Issuer issued (i) Series A Warrants to purchase up to an aggregate of 2,544,530 shares of the Issuer's common stock (the "Series A Warrant Shares") and (ii) 3,816,795 Series B Warrants to purchase up to an aggregate of 3,816,795 shares of the Issuer's common stock (the "Series B Warrants", and collectively with the Series A Warrants, the "Warrants"), to the reporting person pursuant to a securities purchase agreement dated the same date (the "Purchase Agreement"), in connection with a private placement of securities by the Issuer to certain investors. The issuance of the Warrants under the Purchase Agreement was subject to stockholder approval under applicable NASDAQ rules, which was obtained at a special meeting of the Issuer's stockholders held on September 18, 2024.

F4 · derivative.expiration_date: These warrants expire on the earlier of (i) the five years anniversary of September 18, 2024 and (ii) the six months anniversary following the date on which the Issuer publicly announce the receiving of positive Phase 1, Part 3 data readout for DA-1726.

SEC source: 0000899140-24-001036 · form4.xml · derivative · entry 2

DONG-A ST CO., LTD · CIK 0001799260 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,544,530

Underlying: Common Stock · 2,544,530 shares

Expires 2025-09-18

F2 · price: On June 13, 2024, the Issuer issued (i) Series A Warrants to purchase up to an aggregate of 2,544,530 shares of the Issuer's common stock (the "Series A Warrant Shares") and (ii) 3,816,795 Series B Warrants to purchase up to an aggregate of 3,816,795 shares of the Issuer's common stock (the "Series B Warrants", and collectively with the Series A Warrants, the "Warrants"), to the reporting person pursuant to a securities purchase agreement dated the same date (the "Purchase Agreement"), in connection with a private placement of securities by the Issuer to certain investors. The issuance of the Warrants under the Purchase Agreement was subject to stockholder approval under applicable NASDAQ rules, which was obtained at a special meeting of the Issuer's stockholders held on September 18, 2024.

F3 · derivative.expiration_date: These warrants expire on the earlier of (i) the twelve months anniversary of September 18, 2024, and (ii) the 60th day following the date on which the Issuer publicly announce the receiving of positive Phase 1 MAD data readout for DA-1726.

SEC source: 0000899140-24-001036 · form4.xml · nonDerivative · entry 1

DONG-A ST CO., LTD · CIK 0001799260 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,347,792

F1 · balance_after: Reporting Person's sale of 407 shares of Common Stock at a price per share of $3.75 occurred on September 12, 2024.

SEC source: 0001104659-24-088925 · tm2421534-1_4seq1.xml · nonDerivative · entry 1

Kim Hyung Heon · CIK 0001873258 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,666

F1 · price: Shares were withheld by the Issuer in satisfaction of the Reporting Person's tax liabilities in connection with the vesting of restricted stock units, based on the Issuer's closing price on August 9, 2024.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0000899140-24-000673 · form4.xml · nonDerivative · entry 1

DONG-A ST CO., LTD · CIK 0001799260 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,348,229

SEC source: 0000899140-24-000705 · form4.xml · nonDerivative · entry 1

DONG-A ST CO., LTD · CIK 0001799260 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,348,229

F1 · price: This amendment to Form 4 is being filed by the reporting person to correct a scrivener's error in the Form 4 filed by the reporting person on June 25, 2024 (the "Original Form 4"). The Original Form 4 incorrectly reported a $3.13 price per share of Common Stock acquired by the reporting person in the subject transaction. As reported in this amendment to Form 4, the price per share of Common Stock acquired by the reporting person in the subject transaction was $3.93 per share.

SEC source: 0001104659-24-069788 · tm2416741-6_4seq1.xml · nonDerivative · entry 1

Salsbury Michael · CIK 0001798308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,552

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, which vests on the earlier of June 7, 2025 or the day immediately prior to the Issuer's 2025 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0001104659-24-069787 · tm2416741-5_4seq1.xml · nonDerivative · entry 1

GROVES JASON L · CIK 0001480679 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,552

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, which vests on the earlier of June 7, 2025 or the day immediately prior to the Issuer's 2025 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. Per the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0001104659-24-069785 · tm2416741-3_4seq1.xml · nonDerivative · entry 1

Glickman Mark A · CIK 0001441461 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,740

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, which vests on the earlier of June 7, 2025 or the day immediately prior to the Issuer's 2025 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0001104659-24-069786 · tm2416741-4_4seq1.xml · nonDerivative · entry 1

KOVEN ANDREW I · CIK 0001258673 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,552

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, which vests on the earlier of June 7, 2025 or the day immediately prior to the Issuer's 2025 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date. In accordance with the terms of the Issuer's Amended and Restated Non-Employee Director Compensation Policy (the "Policy"), the Reporting Person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the Reporting Person's retirement or other separation from service with the Issuer or death, whichever is earlier.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0001104659-24-069784 · tm2416741-2_4seq1.xml · nonDerivative · entry 1

STRICKLAND D GORDON · CIK 0001223039 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,552

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, which vests on the earlier of June 7, 2025 or the day immediately prior to the Issuer's 2025 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0001104659-24-069783 · tm2416741-1_4seq1.xml · nonDerivative · entry 1

Tursi James Patrick · CIK 0001527710 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,072

F1 · shares: Represents a grant of restricted stock units issued to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, which vests on the earlier of June 7, 2025 or the day immediately prior to the Issuer's 2025 Annual Meeting of Stockholders, subject to the Reporting Person's continuing service on the applicable vesting date.

F2 · balance_after: The total number of securities beneficially owned has been adjusted to reflect the Issuer's completion of a 1-for-8 reverse stock split on December 20, 2023.

SEC source: 0001492648-24-000001 · primary_doc.xml · nonDerivative · entry 1

Woodworth Marshall H · CIK 0001492648 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,496

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan, which vest as follows: (i) 30% of the RSUs vest on the first anniversary of the grant date; (ii) 30% of the RSUs vest on the second anniversary of the grant date; and (iii) the remainder of the RSUs vest in equal monthly installments on the last day of each full month over the 12 months following the second anniversary of the grant date.

SEC source: 0001527710-23-000003 · primary_doc.xml · nonDerivative · entry 2

Tursi James Patrick · CIK 0001527710 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,157

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F3 · shares: Vests on the earlier of December 1, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001527710-23-000003 · primary_doc.xml · nonDerivative · entry 1

Tursi James Patrick · CIK 0001527710 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs immediately vested on the grant date, and the remainder will vest in two equal installments on each subsequent anniversary of the grant date, subject to continuing service.

SEC source: 0001104659-23-091331 · tm2323677-1_4seq1.xml · nonDerivative · entry 1

Kim Hyung Heon · CIK 0001873258 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 625,064

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs will vest on August 11, 2024, and the remainder will vest in equal monthly installments on the last day of each full month over the subsequent 12 months, subject to continuing service.

SEC source: 0001104659-23-084989 · tm2321997-4_4seq1.xml · nonDerivative · entry 2

Salsbury Michael · CIK 0001798308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F3 · shares: Vests on the earlier of July 27, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001104659-23-084989 · tm2321997-4_4seq1.xml · nonDerivative · entry 1

Salsbury Michael · CIK 0001798308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,500

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs vested immediately, and the remainder will vest in two equal installments on each subsequent anniversary of the date of grant, subject to continuing service.

SEC source: 0001104659-23-084980 · tm2321997-1_4seq1.xml · nonDerivative · entry 2

GROVES JASON L · CIK 0001480679 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F3 · shares: Vests on the earlier of July 27, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001104659-23-084980 · tm2321997-1_4seq1.xml · nonDerivative · entry 1

GROVES JASON L · CIK 0001480679 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,500

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs vested immediately, and the remainder will vest in two equal installments on each subsequent anniversary of the date of grant, subject to continuing service.

SEC source: 0001104659-23-084974 · tm2321997-3_4seq1.xml · nonDerivative · entry 2

Glickman Mark A · CIK 0001441461 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,500

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F3 · shares: Vests on the earlier of July 27, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001104659-23-084974 · tm2321997-3_4seq1.xml · nonDerivative · entry 1

Glickman Mark A · CIK 0001441461 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs vested immediately, and the remainder will vest in two equal installments on each subsequent anniversary of the date of grant, subject to continuing service.

SEC source: 0001104659-23-084992 · tm2321997-2_4seq1.xml · nonDerivative · entry 2

KOVEN ANDREW I · CIK 0001258673 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan. Per the terms of the Amended and Restated Non-Employee Director Compensation Policy, the reporting person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the reporting person's retirement or other separation form service with the Issuer or death, whichever is earlier.

F3 · shares: Vests on the earlier of July 27, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001104659-23-084992 · tm2321997-2_4seq1.xml · nonDerivative · entry 1

KOVEN ANDREW I · CIK 0001258673 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,500

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan. Per the terms of the Amended and Restated Non-Employee Director Compensation Policy, the reporting person elected to defer receipt of the shares of common stock upon the vesting of the RSUs until the earlier of the date that is (i) immediately prior to a Change in Control (as described in the Policy), or (ii) within 60 days following the reporting person's retirement or other separation form service with the Issuer or death, whichever is earlier.

F2 · shares: 50% of the RSUs vested immediately, and the remainder will vest in two equal installments on each subsequent anniversary of the date of grant, subject to continuing service.

SEC source: 0001104659-23-084985 · tm2321997-5_4seq1.xml · nonDerivative · entry 2

STRICKLAND D GORDON · CIK 0001223039 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F3 · shares: Vests on the earlier of July 27, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001104659-23-084985 · tm2321997-5_4seq1.xml · nonDerivative · entry 1

STRICKLAND D GORDON · CIK 0001223039 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,500

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs vested immediately, and the remainder will vest in two equal installments on each subsequent anniversary of the date of grant, subject to continuing service.

SEC source: 0001104659-23-084965 · tm2321997-6_4seq1.xml · nonDerivative · entry 2

Kim Na Yeon · CIK 0001794779 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,459

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F4 · shares: Vests on the earlier of July 27, 2024 or the day prior to the Issuer's next annual meeting of stockholders occurring after the grant date, subject to continuing service.

SEC source: 0001104659-23-084965 · tm2321997-6_4seq1.xml · nonDerivative · entry 1

Kim Na Yeon · CIK 0001794779 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,959

F1 · shares: Represents a grant of restricted stock units ("RSUs") issued to the reporting person under the Issuer's 2022 Equity Incentive Plan.

F2 · shares: 50% of the RSUs vested immediately, and the remainder will vest in two equal installments on each subsequent anniversary of the date of grant, subject to continuing service.

F3 · balance_after: The share amount has been adjusted to reflect the reverse stock split effective on September 12, 2022 whereby each thirty shares issued and outstanding prior to the split were combined and converted into one share of common stock.

SEC source: 0001104659-22-083645 · tm2222080-1_4seq1.xml · nonDerivative · entry 1

Kim Na Yeon · CIK 0001794779 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The E&Healthcare Investment Fund II

Disclosed balance after: 2,890,533

F1 · kind: E&Healthcare Investment Fund II distributed 1,445,267 shares to its partners on a pro rata basis, for no consideration.

F2 · ownership.nature: Ms. Kim is the Chief Executive Officer of E&Investment, Inc., which is the sole general partner of The E&Healthcare Investment Fund II, The E&Healthcare Investment Fund No. 6 and The E&Investment Healthcare Fund No. 7, and as such, has voting and investment control over the shares held by E&Investment and its affiliated funds. The reporting person disclaims beneficial ownership of the reported securities except to the extent of her pecuniary interest therein.