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Nasdaq · USD

PASG

Passage BIO, Inc.

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Tapewire entity
7829
SEC CIK
0001787297
Parsed reports
196

Last 12 months

Inside the activity.

1 purchase rows · 2 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202602
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202610
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
June 25, 2026 Filed Jun 29, 2026 20:30 UTC PurchaseCommon stock, $0.0001 par value per share ("Common Stock") 50,055 $4.12 $206,101.46
Disclosure

SEC source: 0000902664-26-002945 · ownership.xml · nonDerivative · entry 1

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 673,759

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.33 to $4.30 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

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May 19, 2026 Filed May 21, 2026 20:13 UTC GrantDirector Stock Option (right to buy) · Derivative 10,539 $0.00 Strike: $5.08 $0.00
Disclosure

SEC source: 0001706400-26-000002 · form4-05212026_080536.xml · derivative · entry 1

Porter Derrell · CIK 0001706400 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,539

Underlying: Common Stock · 10,539 shares

Expires 2036-05-19

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2027 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 19, 2026 Filed May 21, 2026 20:13 UTC GrantDirector Stock Option (right to buy) · Derivative 10,539 $0.00 Strike: $5.08 $0.00
Disclosure

SEC source: 0001303811-26-000002 · form4-05212026_080558.xml · derivative · entry 1

Kassberg Thomas Richard · CIK 0001303811 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,539

Underlying: Common Stock · 10,539 shares

Expires 2036-05-19

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2027 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 19, 2026 Filed May 21, 2026 20:11 UTC
GOWEN MAXINEDirector
GrantDirector Stock Option (right to buy) · Derivative 10,539 $0.00 Strike: $5.08 $0.00
Disclosure

SEC source: 0001280044-26-000002 · form4-05212026_080523.xml · derivative · entry 1

GOWEN MAXINE · CIK 0001280044 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,539

Underlying: Common Stock · 10,539 shares

Expires 2036-05-19

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2027 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 19, 2026 Filed May 21, 2026 20:10 UTC GrantDirector Stock Option (right to buy) · Derivative 10,539 $0.00 Strike: $5.08 $0.00
Disclosure

SEC source: 0001571469-26-000002 · form4-05212026_080534.xml · derivative · entry 1

Countouriotis Athena · CIK 0001571469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,539

Underlying: Common Stock · 10,539 shares

Expires 2036-05-19

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2027 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 19, 2026 Filed May 21, 2026 20:12 UTC GrantDirector Stock Option (right to buy) · Derivative 10,539 $0.00 Strike: $5.08 $0.00
Disclosure

SEC source: 0001677141-26-000006 · form4-05212026_080513.xml · derivative · entry 1

Kapadia Sandip · CIK 0001677141 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,539

Underlying: Common Stock · 10,539 shares

Expires 2036-05-19

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2027 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 19, 2026 Filed May 21, 2026 20:14 UTC
Sondhi DolanDirector
GrantDirector Stock Option (right to buy) · Derivative 10,539 $0.00 Strike: $5.08 $0.00
Disclosure

SEC source: 0001986720-26-000002 · form4-05212026_080510.xml · derivative · entry 1

Sondhi Dolan · CIK 0001986720 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,539

Underlying: Common Stock · 10,539 shares

Expires 2036-05-19

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2027 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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March 16, 2026 Filed Mar 18, 2026 20:06 UTC
Chou WilliamDirector · PRESIDENT AND CEO
GrantEmployee Stock Option (right to buy) · Derivative 58,000 $0.00 Strike: $7.64 $0.00
Disclosure

SEC source: 0001949693-26-000002 · form4-03182026_080328.xml · derivative · entry 1

Chou William · CIK 0001949693 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,000

Underlying: Common Stock · 58,000 shares

Expires 2035-03-16

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning on April 16, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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March 16, 2026 Filed Mar 18, 2026 20:07 UTC GrantEmployee Stock Option (right to buy) · Derivative 15,610 $0.00 Strike: $7.64 $0.00
Disclosure

SEC source: 0001987062-26-000002 · form4-03182026_080313.xml · derivative · entry 1

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,610

Underlying: Common Stock · 15,610 shares

Expires 2035-03-16

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning on April 16, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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January 08, 2026 Filed Jan 12, 2026 21:03 UTC
Chou WilliamDirector · PRESIDENT AND CEO
Exercise / conversionRestricted Stock Unit · Derivative 10,000 $0.00 $0.00
Disclosure

SEC source: 0001949693-26-000001 · form4-01122026_090148.xml · derivative · entry 3

Chou William · CIK 0001949693 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 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: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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January 08, 2026 Filed Jan 12, 2026 21:03 UTC
Chou WilliamDirector · PRESIDENT AND CEO
SaleCommon Stock 4,076 $18.44 $75,158.99
Disclosure

SEC source: 0001949693-26-000001 · form4-01122026_090148.xml · nonDerivative · entry 2

Chou William · CIK 0001949693 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,524

F3 · kind: The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs; it does not represent a discretionary trade by the Reporting Person. Pursuant to the Issuer's equity incentive plan, an award recipient's tax withholding obligations must be funded by a "sell to cover" transaction.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold as part of a block trade for multiple security holders of the Issuer in multiple transactions at prices ranging from $18.13 to $19.3061 per share, inclusive. 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 sold at each separate price within the range set forth in this footnote 4 with regard to the block trade.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 21:03 UTC
Chou WilliamDirector · PRESIDENT AND CEO
Exercise / conversionCommon Stock 10,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001949693-26-000001 · form4-01122026_090148.xml · nonDerivative · entry 1

Chou William · CIK 0001949693 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,600

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: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 200 shares acquired on May 16, 2024, 200 shares acquired on May 15, 2025 and 200 shares acquired on November 15, 2025 under the 2020 Employee Stock Purchase Plan.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 21:03 UTC Exercise / conversionRestricted Stock Unit · Derivative 5,000 $0.00 $0.00
Disclosure

SEC source: 0001987062-26-000001 · form4-01122026_090110.xml · derivative · entry 3

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 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: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 21:03 UTC SaleCommon Stock 2,062 $18.44 $38,022.04
Disclosure

SEC source: 0001987062-26-000001 · form4-01122026_090110.xml · nonDerivative · entry 2

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,402

F3 · kind: The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs; it does not represent a discretionary trade by the Reporting Person. Pursuant to the Issuer's equity incentive plan, an award recipient's tax withholding obligations must be funded by a "sell to cover" transaction.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold as part of a block trade for multiple security holders of the Issuer in multiple transactions at prices ranging from $18.13 to $19.3061 per share, inclusive. 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 sold at each separate price within the range set forth in this footnote 4 with regard to the block trade.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 21:03 UTC Exercise / conversionCommon Stock 5,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001987062-26-000001 · form4-01122026_090110.xml · nonDerivative · entry 1

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,464

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: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 200 shares acquired on May 15, 2025 and 200 shares acquired on November 15, 2025 under the 2020 Employee Stock Purchase Plan.

Read SEC document
September 15, 2025 Filed Sep 16, 2025 00:05 UTC PurchaseCommon Stock 11,900 $6.99 $83,175.05
Disclosure

SEC source: 0000902664-25-004079 · ownership.xml · nonDerivative · entry 3

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 623,704

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.94 to $7.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Read SEC document
September 12, 2025 Filed Sep 16, 2025 00:05 UTC PurchaseCommon Stock 19,783 $6.99 $138,299.00
Disclosure

SEC source: 0000902664-25-004079 · ownership.xml · nonDerivative · entry 2

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 611,804

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.93 to $7.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Read SEC document
September 11, 2025 Filed Sep 16, 2025 00:05 UTC PurchaseCommon stock, $0.0001 par value per share (Common Stock) 325 $6.96 $2,260.64
Disclosure

SEC source: 0000902664-25-004079 · ownership.xml · nonDerivative · entry 1

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 592,021

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.915 to $6.985 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Read SEC document
July 24, 2025 Filed Jul 24, 2025 22:12 UTC PurchaseCommon Stock 66,423 $5.71 $379,454.67
Disclosure

SEC source: 0000902664-25-003152 · ownership.xml · nonDerivative · entry 3

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 591,696

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.535 to $5.9 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F3 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Read SEC document
July 23, 2025 Filed Jul 24, 2025 22:12 UTC PurchaseCommon Stock 49,302 $5.74 $283,032.92
Disclosure

SEC source: 0000902664-25-003152 · ownership.xml · nonDerivative · entry 2

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 525,273

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.675 to $5.8 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F3 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Read SEC document
July 22, 2025 Filed Jul 24, 2025 22:12 UTC PurchaseCommon stock, $0.0001 par value per share ("Common Stock") 13,123 $5.44 $71,337.94
Disclosure

SEC source: 0000902664-25-003152 · ownership.xml · nonDerivative · entry 1

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 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: 475,971

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.33 to $5.475 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · balance_after: The Reporting Persons' holdings have been adjusted to reflect the 1-for-20 reverse stock split of the Issuer effective on July 14, 2025, as disclosed on the Current Report on Form 8-K filed by the Issuer with the SEC on July 14, 2025.

F3 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Read SEC document
June 26, 2025 Filed Jun 26, 2025 21:10 UTC SaleCommon Stock 213,257 $0.33 $70,374.81
Disclosure

SEC source: 0000947871-25-000629 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,066,343

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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June 25, 2025 Filed Jun 26, 2025 21:10 UTC SaleCommon Stock 138,800 $0.33 $45,804.00
Disclosure

SEC source: 0000947871-25-000629 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,279,600

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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June 24, 2025 Filed Jun 26, 2025 21:10 UTC SaleCommon Stock 231,600 $0.35 $81,060.00
Disclosure

SEC source: 0000947871-25-000629 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,418,400

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
May 28, 2025 Filed May 30, 2025 23:29 UTC GrantDirector Stock Option (right to buy) · Derivative 201,857 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015057 · form4-05302025_110521.xml · derivative · entry 1

Porter Derrell · CIK 0001706400 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,857

Underlying: Common Stock · 201,857 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 28, 2025 Filed May 30, 2025 23:26 UTC GrantDirector Stock Option (right to buy) · Derivative 143,789 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015054 · form4-05302025_110528.xml · derivative · entry 1

Kassberg Thomas Richard · CIK 0001303811 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,789

Underlying: Common Stock · 143,789 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 28, 2025 Filed May 30, 2025 23:31 UTC
GOWEN MAXINEDirector
GrantDirector Stock Option (right to buy) · Derivative 201,857 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015059 · form4-05302025_110508.xml · derivative · entry 1

GOWEN MAXINE · CIK 0001280044 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,857

Underlying: Common Stock · 201,857 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 28, 2025 Filed May 30, 2025 23:30 UTC GrantDirector Stock Option (right to buy) · Derivative 201,857 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015058 · form4-05302025_110515.xml · derivative · entry 1

Countouriotis Athena · CIK 0001571469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,857

Underlying: Common Stock · 201,857 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 28, 2025 Filed May 30, 2025 23:28 UTC
Islam SaqibDirector
GrantDirector Stock Option (right to buy) · Derivative 201,857 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015056 · form4-05302025_110532.xml · derivative · entry 1

Islam Saqib · CIK 0001575408 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,857

Underlying: Common Stock · 201,857 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 28, 2025 Filed May 31, 2025 01:41 UTC GrantDirector Stock Option (right to buy) · Derivative 201,857 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015077 · form4-05312025_010556.xml · derivative · entry 1

Kapadia Sandip · CIK 0001677141 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,857

Underlying: Common Stock · 201,857 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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May 28, 2025 Filed May 30, 2025 23:27 UTC
Sondhi DolanDirector
GrantDirector Stock Option (right to buy) · Derivative 201,857 $0.00 Strike: $0.36 $0.00
Disclosure

SEC source: 0001415889-25-015055 · form4-05302025_110538.xml · derivative · entry 1

Sondhi Dolan · CIK 0001986720 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,857

Underlying: Common Stock · 201,857 shares

Expires 2035-05-28

F1 · derivative.exercise_date: The stock option vests in full on the earlier of: (i) the one year anniversary of the grant date or (ii) the date of the issuer's 2026 Annual Meeting of its stockholders, subject to the reporting person's continuous service to the issuer on such date.

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April 24, 2025 Filed Apr 24, 2025 21:38 UTC SaleCommon Stock 68,195 $0.32 $21,822.40
Disclosure

SEC source: 0000947871-25-000423 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,650,000

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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April 23, 2025 Filed Apr 24, 2025 21:38 UTC SaleCommon Stock 89,328 $0.34 $30,371.52
Disclosure

SEC source: 0000947871-25-000423 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,718,195

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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April 22, 2025 Filed Apr 24, 2025 21:38 UTC SaleCommon Stock 78,049 $0.34 $26,536.66
Disclosure

SEC source: 0000947871-25-000423 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,807,523

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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April 17, 2025 Filed Apr 17, 2025 22:10 UTC SaleCommon Stock 77,090 $0.33 $25,439.70
Disclosure

SEC source: 0000947871-25-000415 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,885,572

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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April 16, 2025 Filed Apr 17, 2025 22:10 UTC SaleCommon Stock 61,638 $0.33 $20,340.54
Disclosure

SEC source: 0000947871-25-000415 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 6,962,662

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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April 15, 2025 Filed Apr 17, 2025 22:10 UTC SaleCommon Stock 10,326 $0.38 $3,923.88
Disclosure

SEC source: 0000947871-25-000415 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 7,024,300

F1 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F2 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
March 15, 2025 Filed Mar 18, 2025 21:11 UTC
Chou WilliamDirector · PRESIDENT AND CEO
GrantEmployee Stock Option (right to buy) · Derivative 779,533 $0.00 Strike: $0.39 $0.00
Disclosure

SEC source: 0001415889-25-008442 · form4-03182025_090335.xml · derivative · entry 1

Chou William · CIK 0001949693 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 779,533

Underlying: Common Stock · 779,533 shares

Expires 2035-03-15

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning on April 15, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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March 15, 2025 Filed Mar 18, 2025 21:12 UTC GrantEmployee Stock Option (right to buy) · Derivative 278,386 $0.00 Strike: $0.39 $0.00
Disclosure

SEC source: 0001415889-25-008443 · form4-03182025_090317.xml · derivative · entry 1

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,386

Underlying: Common Stock · 278,386 shares

Expires 2035-03-15

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning on April 15, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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March 15, 2025 Filed Mar 18, 2025 21:11 UTC
Cale Edgar B.GC & CORPORATE SECRETARY
GrantEmployee Stock Option (right to buy) · Derivative 278,386 $0.00 Strike: $0.39 $0.00
Disclosure

SEC source: 0001415889-25-008441 · form4-03182025_090302.xml · derivative · entry 1

Cale Edgar B. · CIK 0001799783 · GC & CORPORATE SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,386

Underlying: Common Stock · 278,386 shares

Expires 2035-03-15

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning on April 15, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
February 11, 2025 Filed Feb 12, 2025 21:21 UTC SaleCommon Stock 3,183 $0.53 $1,685.72
Disclosure

SEC source: 0001415889-25-003728 · form4-02122025_090233.xml · nonDerivative · entry 2

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,283

F3 · kind: The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs; it does not represent a discretionary trade by the Reporting Person. Pursuant to the Issuer's equity incentive plan, an award recipient's tax withholding obligations must be funded by a "sell to cover" transaction.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold as part of a block trade for multiple security holders of the Issuer in multiple transactions at prices ranging from $0.51 to $0.58 per share, inclusive. 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 sold at each separate price within the range set forth in this footnote 4 with regard to the block trade.

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February 10, 2025 Filed Feb 12, 2025 21:21 UTC Exercise / conversionRestricted Stock Unit · Derivative 8,000 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-003728 · form4-02122025_090233.xml · derivative · entry 3

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,000 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: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: 1/3 of the RSUs vested on February 10, 2024 and 2/3 of the RSUs will vest on February 10, 2025, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F5 · derivative.expiration_date: 1/3 of the RSUs vested on February 10, 2024 and 2/3 of the RSUs will vest on February 10, 2025, subject to the Reporting Person's continued service to the Issuer on each vesting date.

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February 10, 2025 Filed Feb 12, 2025 21:21 UTC Exercise / conversionCommon Stock 8,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-25-003728 · form4-02122025_090233.xml · nonDerivative · entry 1

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,466

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: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 4,000 shares acquired on May 16, 2024 and 4,000 shares acquired on November 16, 2024 under the 2020 Employee Stock Purchase Plan.

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January 15, 2025 Filed Dec 29, 2025 21:14 UTC
Chou WilliamDirector · PRESIDENT AND CEO
GrantRestricted Stock Unit · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0001949693-25-000002 · form4-12292025_091229.xml · derivative · entry 1

Chou William · CIK 0001949693 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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January 15, 2025 Filed Dec 29, 2025 21:15 UTC GrantRestricted Stock Unit · Derivative 10,000 $0.00 $0.00
Disclosure

SEC source: 0001987062-25-000002 · form4-12292025_091215.xml · derivative · entry 1

Borthwick Kathleen · CIK 0001987062 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: 50% of the total RSUs will vest on January 8, 2026 and the remaining 50% of the RSUs will vest on January 8, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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January 14, 2025 Filed Jan 14, 2025 22:17 UTC SaleCommon Stock 79,024 $0.60 $47,414.40
Disclosure

SEC source: 0000947871-25-000034 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 7,034,626

F3 · price: Represents the weighted average sale price of the shares of the Issuer's common stock sold, ranging from a low of $0.58 to a high of $0.63 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a securityholder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F5 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 22:17 UTC SaleCommon Stock 17,986 $0.64 $11,511.04
Disclosure

SEC source: 0000947871-25-000034 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 7,113,650

F2 · price: Represents the weighted average sale price of the shares of the Issuer's common stock sold, ranging from a low of $0.63 to a high of $0.66 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a securityholder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F5 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
January 10, 2025 Filed Jan 14, 2025 22:17 UTC SaleCommon Stock 126,209 $0.66 $83,297.94
Disclosure

SEC source: 0000947871-25-000034 · ownership.xml · nonDerivative · entry 1

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 7,131,636

F1 · price: Represents the weighted average sale price of the shares of the Issuer's common stock sold, ranging from a low of $0.61 to a high of $0.70 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a securityholder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F5 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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January 08, 2025 Filed Jan 8, 2025 23:09 UTC SaleCommon Stock 75,007 $0.68 $51,004.76
Disclosure

SEC source: 0000947871-25-000021 · ownership.xml · nonDerivative · entry 3

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 7,257,845

F3 · price: Represents the weighted average sale price of the shares of the Issuer's common stock sold, ranging from a low of $0.65 to a high of $0.74 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a securityholder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F5 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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January 07, 2025 Filed Jan 8, 2025 23:09 UTC SaleCommon Stock 52,536 $0.71 $37,300.56
Disclosure

SEC source: 0000947871-25-000021 · ownership.xml · nonDerivative · entry 2

ORBIMED ADVISORS LLC · CIK 0001055951 · 10% owner

OrbiMed Capital GP VII LLC · CIK 0001760648 · 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: 7,332,852

F2 · price: Represents the weighted average sale price of the shares of the Issuer's common stock sold, ranging from a low of $0.70 to a high of $0.77 per share. The Reporting Persons undertake, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a securityholder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

F4 · ownership.nature: These shares of the Issuer's common stock are held of record by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII, 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 VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting and investment power over the shares of common stock held by OPI VII 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 VII.

F5 · ownership.nature: Each of OrbiMed Advisors and GP VII 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 such entity is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.