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organization · Reporting owner

Samsara BioCapital GP, LLC

Disclosed activity across 6 companies

Tapewire entity
44747
SEC CIK
0001888829

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Kalaris Therapeutics, Inc.KLRS · Entity 680510% ownerMay 20, 2026May 22, 2026
Neurogene Inc.NGNE · Entity 516010% ownerNovember 26, 2024November 27, 2024
Scholar Rock Holding CorpSRRK · Entity 372110% ownerOctober 16, 2023October 18, 2023

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Kalaris Therapeutics, Inc.

Report date May 20, 2026 · Filed May 22, 2026

Jointly reported with AKKARAJU SRINIVAS, Samsara BioCapital, L.P., Samsara Opportunity Fund, L.P., Samsara Opportunity Fund GP, LLC

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Samsara Opportunity Fund, L.P.2,224,147 Reported balance After 2026-05-20 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2026-05-20 · Purchase · Acquired 244,300 · Balance 2,224,147

F1: Represents the purchase of shares from Samsara BioCapital, L.P. ("Samsara LP") in a privately negotiated transaction.

F2: Securities are directly held by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund"). Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. Each of the Reporting Persons disclaims beneficial ownership in these securities except to the extent of its or his pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital, L.P.10,657,028 Reported balance After 2026-05-20 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2026-05-20 · Other · Disposed 66,906 · Balance 10,657,028

F3: Represents a pro rata, in-kind distribution, without additional consideration, and not a purchase or sale of securities, by Samsara LP in respect of redeemed interests in Samsara LP. Of the shares distributed by Samsara LP, (i) 47,498 were distributed to redeeming limited partners, (ii) 14,937 shares were distributed to Samsara BioCapital GP, LLC ("Samsara LLC"), the general partner of Samsara LP, in respect of redeemed interests of non-managing members of Samsara LLC that were retained by Samsara LLC, and (iii) 4,471 shares were distributed to Samsara BioCapital Partners, L.P. ("Samsara BioCapital Partners"), in respect of the redeemed interest of a limited partner of Samsara LP that has been acquired by Samsara BioCapital Partners.

F4: The shares held by Samsara LP reflects the disposition of 244,300 shares, to Samsara Opportunity Fund as described in footnote (1), in which each of Samsara LLC and Dr. Akkaraju had no pecuniary interest.

F5: Securities are held by Samsara LP. Samsara LLC is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Akkaraju has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital GP, LLC14,937 Reported balance After 2026-05-20 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2026-05-20 · Other · Acquired 14,937 · Balance 14,937

F6: Represents receipt of shares in the distribution in kind described in footnote (3).

F7: Securities are held by Samsara LLC. Dr. Akkaraju has voting and investment power over the shares held by Samsara LLC and, accordingly, may be deemed to beneficially own the shares held by Samsara LLC. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital Partners, L.P.19,408 Reported balance After 2026-05-20 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2026-05-20 · Other · Acquired 4,471 · Balance 19,408

F6: Represents receipt of shares in the distribution in kind described in footnote (3).

F8: Securities are held by Samsara BioCapital Partners. Dr. Akkaraju has voting and investment power over the shares held by Samsara BioCapital Partners and, accordingly, may be deemed to beneficially own the shares held by Samsara BioCapital Partners. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the purchase of shares from Samsara BioCapital, L.P. ("Samsara LP") in a privately negotiated transaction.

F2: Securities are directly held by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund"). Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. Each of the Reporting Persons disclaims beneficial ownership in these securities except to the extent of its or his pecuniary interest therein.

F3: Represents a pro rata, in-kind distribution, without additional consideration, and not a purchase or sale of securities, by Samsara LP in respect of redeemed interests in Samsara LP. Of the shares distributed by Samsara LP, (i) 47,498 were distributed to redeeming limited partners, (ii) 14,937 shares were distributed to Samsara BioCapital GP, LLC ("Samsara LLC"), the general partner of Samsara LP, in respect of redeemed interests of non-managing members of Samsara LLC that were retained by Samsara LLC, and (iii) 4,471 shares were distributed to Samsara BioCapital Partners, L.P. ("Samsara BioCapital Partners"), in respect of the redeemed interest of a limited partner of Samsara LP that has been acquired by Samsara BioCapital Partners.

F4: The shares held by Samsara LP reflects the disposition of 244,300 shares, to Samsara Opportunity Fund as described in footnote (1), in which each of Samsara LLC and Dr. Akkaraju had no pecuniary interest.

F5: Securities are held by Samsara LP. Samsara LLC is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Akkaraju has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

F6: Represents receipt of shares in the distribution in kind described in footnote (3).

F7: Securities are held by Samsara LLC. Dr. Akkaraju has voting and investment power over the shares held by Samsara LLC and, accordingly, may be deemed to beneficially own the shares held by Samsara LLC. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

F8: Securities are held by Samsara BioCapital Partners. Dr. Akkaraju has voting and investment power over the shares held by Samsara BioCapital Partners and, accordingly, may be deemed to beneficially own the shares held by Samsara BioCapital Partners. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Neurogene Inc.

Report date November 26, 2024 · Filed November 27, 2024

Jointly reported with Samsara BioCapital, L.P., AKKARAJU SRINIVAS

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital, L.P.1,717,127 Last balance in matching sequence After 2024-11-26 transaction · row 4 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
4 source rows

Row 1 · 2024-11-26 · Purchase · Acquired 20,748 · Balance 1,689,105

F1: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $24.25 to $25.23 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Row 2 · 2024-11-26 · Purchase · Acquired 10,803 · Balance 1,699,908

F3: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $25.47 to $26.44 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Row 3 · 2024-11-26 · Purchase · Acquired 15,219 · Balance 1,715,127

F4: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $26.46 to $26.90 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Row 4 · 2024-11-26 · Purchase · Acquired 2,000 · Balance 1,717,127

F5: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $27.48 to $27.50 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $24.25 to $25.23 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

F3: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $25.47 to $26.44 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $26.46 to $26.90 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $27.48 to $27.50 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

Scholar Rock Holding Corp

Report date October 16, 2023 · Filed October 18, 2023

Jointly reported with Samsara BioCapital, L.P.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital, L.P.6,788,609 Reported balance After 2023-10-16 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2023-10-16 · Purchase · Acquired 2,189,781 · Balance 6,788,609

F1: Shares are held by Samsara BioCapital LP ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Samsara LLC disclaims beneficial ownership in these shares except to the extent of its respective pecuniary interest therein. Dr. Akkaraju is a director of Issuer and files separate Section 16 reports.

Filing footnotes · ownership attribution and instrument terms

F1: Shares are held by Samsara BioCapital LP ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Samsara LLC disclaims beneficial ownership in these shares except to the extent of its respective pecuniary interest therein. Dr. Akkaraju is a director of Issuer and files separate Section 16 reports.

Past disclosures · reporting ended (3)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

CARGO Therapeutics, Inc.

Report date May 30, 2024 · Filed June 04, 2024

Jointly reported with Samsara BioCapital, L.P., AKKARAJU SRINIVAS

Section 16 reporting ended · disclosed 2024-06-04. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital, L.P.4,415,689 Reported balance After 2024-05-30 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2024-05-30 · Purchase · Acquired 294,000 · Balance 4,415,689

F1: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Mineralys Therapeutics, Inc.

Report date March 13, 2025 · Filed March 18, 2025

Jointly reported with Samsara BioCapital, L.P.

Section 16 reporting ended · disclosed 2025-03-18. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital, L.P.5,674,916 Reported balance After 2025-03-13 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2025-03-13 · Purchase · Acquired 600,000 · Balance 5,674,916

F1: Securities are directly held by Samsara BioCapital, L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Securities are directly held by Samsara BioCapital, L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein.

vTv Therapeutics Inc.

Report date March 05, 2024 · Filed December 06, 2024

Jointly reported with Samsara BioCapital, L.P.

Section 16 reporting ended · disclosed 2024-12-06. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeIndirectBy Samsara BioCapital, L.P.206,784 Reported balance After 2024-03-05 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2024-03-05 · Other · Disposed 58,836 · Balance 206,784

F1: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F2: These securities are held by Samsara LP. Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership in these securities except to the extent of its pecuniary interest therein. Dr. Akkaraju is a director of the Issuer and files separate Section 16 reports.

Pre- Funded Warrants (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.01IndirectSamsara BioCapital, L.P.892,578 Reported balance After 2024-03-05 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2024-03-05 · Grant · Acquired 58,885 · Balance 892,578

F1: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F3: The Pre-Funded Warrants have no expiration date and are exercisable at any time after the date of issuance. A holder of Pre-Funded Warrants may not exercise the Pre-Funded Warrant if the holder, together with its affiliates, would beneficially own more than 9.99% of the number of shares of Class A Common Stock outstanding immediately after giving effect to such exercise.

F2: These securities are held by Samsara LP. Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership in these securities except to the extent of its pecuniary interest therein. Dr. Akkaraju is a director of the Issuer and files separate Section 16 reports.

Filing footnotes · ownership attribution and instrument terms

F1: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F2: These securities are held by Samsara LP. Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership in these securities except to the extent of its pecuniary interest therein. Dr. Akkaraju is a director of the Issuer and files separate Section 16 reports.

F3: The Pre-Funded Warrants have no expiration date and are exercisable at any time after the date of issuance. A holder of Pre-Funded Warrants may not exercise the Pre-Funded Warrant if the holder, together with its affiliates, would beneficially own more than 9.99% of the number of shares of Class A Common Stock outstanding immediately after giving effect to such exercise.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
May 20, 2026 Filed May 22, 2026 23:47 UTC Kalaris Therapeutics, Inc. KLRS · Entity 6805 OtherCommon Stock 4,471 $0.00 $0.00
Disclosure

SEC source: 0001231919-26-000532 · form4-05222026_110527.xml · nonDerivative · entry 4

AKKARAJU SRINIVAS · CIK 0001253170 · Director · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara Opportunity Fund, L.P. · CIK 0002086193 · 10% owner

Samsara Opportunity Fund GP, LLC · CIK 0002086456 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital Partners, L.P.

Disclosed balance after: 19,408

F6 · kind: Represents receipt of shares in the distribution in kind described in footnote (3).

F8 · ownership.nature: Securities are held by Samsara BioCapital Partners. Dr. Akkaraju has voting and investment power over the shares held by Samsara BioCapital Partners and, accordingly, may be deemed to beneficially own the shares held by Samsara BioCapital Partners. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Read SEC document
May 20, 2026 Filed May 22, 2026 23:47 UTC Kalaris Therapeutics, Inc. KLRS · Entity 6805 OtherCommon Stock 14,937 $0.00 $0.00
Disclosure

SEC source: 0001231919-26-000532 · form4-05222026_110527.xml · nonDerivative · entry 3

AKKARAJU SRINIVAS · CIK 0001253170 · Director · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara Opportunity Fund, L.P. · CIK 0002086193 · 10% owner

Samsara Opportunity Fund GP, LLC · CIK 0002086456 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital GP, LLC

Disclosed balance after: 14,937

F6 · kind: Represents receipt of shares in the distribution in kind described in footnote (3).

F7 · ownership.nature: Securities are held by Samsara LLC. Dr. Akkaraju has voting and investment power over the shares held by Samsara LLC and, accordingly, may be deemed to beneficially own the shares held by Samsara LLC. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Read SEC document
May 20, 2026 Filed May 22, 2026 23:47 UTC Kalaris Therapeutics, Inc. KLRS · Entity 6805 OtherCommon Stock 66,906 $0.00 $0.00
Disclosure

SEC source: 0001231919-26-000532 · form4-05222026_110527.xml · nonDerivative · entry 2

AKKARAJU SRINIVAS · CIK 0001253170 · Director · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara Opportunity Fund, L.P. · CIK 0002086193 · 10% owner

Samsara Opportunity Fund GP, LLC · CIK 0002086456 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 10,657,028

F3 · kind: Represents a pro rata, in-kind distribution, without additional consideration, and not a purchase or sale of securities, by Samsara LP in respect of redeemed interests in Samsara LP. Of the shares distributed by Samsara LP, (i) 47,498 were distributed to redeeming limited partners, (ii) 14,937 shares were distributed to Samsara BioCapital GP, LLC ("Samsara LLC"), the general partner of Samsara LP, in respect of redeemed interests of non-managing members of Samsara LLC that were retained by Samsara LLC, and (iii) 4,471 shares were distributed to Samsara BioCapital Partners, L.P. ("Samsara BioCapital Partners"), in respect of the redeemed interest of a limited partner of Samsara LP that has been acquired by Samsara BioCapital Partners.

F4 · balance_after: The shares held by Samsara LP reflects the disposition of 244,300 shares, to Samsara Opportunity Fund as described in footnote (1), in which each of Samsara LLC and Dr. Akkaraju had no pecuniary interest.

F5 · ownership.nature: Securities are held by Samsara LP. Samsara LLC is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Akkaraju has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

Read SEC document
May 20, 2026 Filed May 22, 2026 23:47 UTC Kalaris Therapeutics, Inc. KLRS · Entity 6805 PurchaseCommon Stock 244,300 $4.83 $1,179,969.00
Disclosure

SEC source: 0001231919-26-000532 · form4-05222026_110527.xml · nonDerivative · entry 1

AKKARAJU SRINIVAS · CIK 0001253170 · Director · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara Opportunity Fund, L.P. · CIK 0002086193 · 10% owner

Samsara Opportunity Fund GP, LLC · CIK 0002086456 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara Opportunity Fund, L.P.

Disclosed balance after: 2,224,147

F1 · kind: Represents the purchase of shares from Samsara BioCapital, L.P. ("Samsara LP") in a privately negotiated transaction.

F2 · ownership.nature: Securities are directly held by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund"). Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. Each of the Reporting Persons disclaims beneficial ownership in these securities except to the extent of its or his pecuniary interest therein.

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December 18, 2025 Filed Feb 18, 2026 01:15 UTC Kalaris Therapeutics, Inc. KLRS · Entity 6805 PurchaseCommon Stock 479,847 $10.42 $5,000,005.74
Disclosure

SEC source: 0001231919-26-000166 · form4-02182026_010226.xml · nonDerivative · entry 1

AKKARAJU SRINIVAS · CIK 0001253170 · Director · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara Opportunity Fund, L.P. · CIK 0002086193 · 10% owner

Samsara Opportunity Fund GP, LLC · CIK 0002086456 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara Opportunity Fund, L.P.

Disclosed balance after: 1,979,847

F1 · kind: Represents the purchase of shares from Samsara BioCapital, L.P. ("Samsara LP") in a privately negotiated transaction.

F2 · balance_after: Represents the number of shares held as of the date of this filing, including the shares purchased by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund") on December 22, 2025, as reported in the reporting persons' Form 4 filed with the SEC on December 22, 2025 (the "Prior Report"). The Prior Report is deemed amended hereby.

F3 · ownership.nature: Securities are directly held by Samsara Opportunity Fund. Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the shares held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the shares held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein.

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March 13, 2025 Filed Mar 18, 2025 01:05 UTC Mineralys Therapeutics, Inc. MLYS · Entity 4432 PurchaseCommon Stock 600,000 $13.50 $8,100,000.00
Disclosure

SEC source: 0001415889-25-008275 · form4-03182025_010343.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 5,674,916

F1 · ownership.nature: Securities are directly held by Samsara BioCapital, L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein.

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November 26, 2024 Filed Nov 27, 2024 21:39 UTC Neurogene Inc. NGNE · Entity 5160 PurchaseCommon Stock 2,000 $27.50 $55,000.00
Disclosure

SEC source: 0001415889-24-027861 · form4-11272024_091125.xml · nonDerivative · entry 4

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 1,717,127

F5 · price: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $27.48 to $27.50 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 26, 2024 Filed Nov 27, 2024 21:39 UTC Neurogene Inc. NGNE · Entity 5160 PurchaseCommon Stock 15,219 $26.73 $406,803.87
Disclosure

SEC source: 0001415889-24-027861 · form4-11272024_091125.xml · nonDerivative · entry 3

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 1,715,127

F4 · price: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $26.46 to $26.90 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 26, 2024 Filed Nov 27, 2024 21:39 UTC Neurogene Inc. NGNE · Entity 5160 PurchaseCommon Stock 10,803 $26.01 $280,986.03
Disclosure

SEC source: 0001415889-24-027861 · form4-11272024_091125.xml · nonDerivative · entry 2

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 1,699,908

F3 · price: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $25.47 to $26.44 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 26, 2024 Filed Nov 27, 2024 21:39 UTC Neurogene Inc. NGNE · Entity 5160 PurchaseCommon Stock 20,748 $24.91 $516,832.68
Disclosure

SEC source: 0001415889-24-027861 · form4-11272024_091125.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 1,689,105

F1 · price: The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $24.25 to $25.23 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, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Securities are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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May 30, 2024 Filed Jun 4, 2024 01:45 UTC CARGO Therapeutics, Inc. CRGX · Entity 76319 PurchaseCommon Stock 294,000 $17.00 $4,998,000.00
Disclosure

SEC source: 0001415889-24-015250 · form4-06042024_010623.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 4,415,689

F1 · ownership.nature: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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March 05, 2024 Filed Dec 6, 2024 21:15 UTC vTv Therapeutics Inc. VTVT · Entity 6614 GrantPre- Funded Warrants (Right to Buy) · Derivative 58,885 Not disclosed Strike: $0.01 Not disclosed
Disclosure

SEC source: 0001415889-24-028465 · form4-12062024_041204.xml · derivative · entry 2

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Samsara BioCapital, L.P.

Disclosed balance after: 892,578

Underlying: Class A Common Stock · 58,885 shares

Expires not disclosed

F1 · kind: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F1 · price: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F3 · derivative.exercise_date: The Pre-Funded Warrants have no expiration date and are exercisable at any time after the date of issuance. A holder of Pre-Funded Warrants may not exercise the Pre-Funded Warrant if the holder, together with its affiliates, would beneficially own more than 9.99% of the number of shares of Class A Common Stock outstanding immediately after giving effect to such exercise.

F3 · derivative.expiration_date: The Pre-Funded Warrants have no expiration date and are exercisable at any time after the date of issuance. A holder of Pre-Funded Warrants may not exercise the Pre-Funded Warrant if the holder, together with its affiliates, would beneficially own more than 9.99% of the number of shares of Class A Common Stock outstanding immediately after giving effect to such exercise.

F2 · ownership.nature: These securities are held by Samsara LP. Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership in these securities except to the extent of its pecuniary interest therein. Dr. Akkaraju is a director of the Issuer and files separate Section 16 reports.

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March 05, 2024 Filed Dec 6, 2024 21:15 UTC vTv Therapeutics Inc. VTVT · Entity 6614 OtherClass A Common Stock 58,836 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-24-028465 · form4-12062024_041204.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 206,784

F1 · kind: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F1 · price: On March 5, 2024, Samsara BioCapital, L.P. ("Samsara LP") entered into an Exchange Agreement with the Issuer pursuant to which Samsara LP exchanged, for no additional consideration, 58,836 shares of the Issuer's Class A Common Stock for pre-funded warrants exercisable for up to 58,885 shares of the Issuer's Class A Common Stock at an exercise price of $0.01 per share.

F2 · ownership.nature: These securities are held by Samsara LP. Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. Samsara LLC disclaims beneficial ownership in these securities except to the extent of its pecuniary interest therein. Dr. Akkaraju is a director of the Issuer and files separate Section 16 reports.

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February 12, 2024 Filed Feb 15, 2024 02:06 UTC Mineralys Therapeutics, Inc. MLYS · Entity 4432 PurchaseCommon Stock 555,555 $13.50 $7,499,992.50
Disclosure

SEC source: 0001415889-24-003859 · form4-02152024_020259.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 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: 5,074,916

F1 · ownership.nature: Represents securities held directly by Samsara BioCapital, L.P. Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara BioCapital, L.P. ("Samsara LP") and may be deemed to beneficially own the shares held by Samsara LP. Samsara LLC disclaims beneficial ownership in these shares except to the extent of its pecuniary interest therein.

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November 14, 2023 Filed Nov 17, 2023 00:39 UTC CARGO Therapeutics, Inc. CRGX · Entity 76319 ConversionSeries A-2 convertible preferred stock · Derivative 1,833,623 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-055621 · doc4.xml · derivative · entry 5

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,833,623 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 14, 2023 Filed Nov 17, 2023 00:39 UTC CARGO Therapeutics, Inc. CRGX · Entity 76319 ConversionSeries A-1 convertible preferred stock · Derivative 884,400 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-055621 · doc4.xml · derivative · entry 4

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 884,400 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 14, 2023 Filed Nov 17, 2023 00:39 UTC CARGO Therapeutics, Inc. CRGX · Entity 76319 ConversionSeries Seed convertible preferred stock · Derivative 663,300 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-055621 · doc4.xml · derivative · entry 3

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 663,300 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 14, 2023 Filed Nov 17, 2023 00:39 UTC CARGO Therapeutics, Inc. CRGX · Entity 76319 PurchaseCommon Stock 666,666 $15.00 $9,999,990.00
Disclosure

SEC source: 0001209191-23-055621 · doc4.xml · nonDerivative · entry 2

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 4,121,689

F2 · ownership.nature: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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November 14, 2023 Filed Nov 17, 2023 00:39 UTC CARGO Therapeutics, Inc. CRGX · Entity 76319 ConversionCommon Stock 3,381,323 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-23-055621 · doc4.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

AKKARAJU SRINIVAS · CIK 0001253170 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 3,455,023

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

F1 · price: Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein.

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October 16, 2023 Filed Oct 18, 2023 21:44 UTC Scholar Rock Holding Corp SRRK · Entity 3721 PurchaseCommon Stock 2,189,781 $6.85 $14,999,999.85
Disclosure

SEC source: 0001209191-23-053111 · doc4.xml · nonDerivative · entry 1

Samsara BioCapital GP, LLC · CIK 0001888829 · 10% owner

Samsara BioCapital, L.P. · CIK 0001699737 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 6,788,609

F1 · ownership.nature: Shares are held by Samsara BioCapital LP ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Samsara LLC disclaims beneficial ownership in these shares except to the extent of its respective pecuniary interest therein. Dr. Akkaraju is a director of Issuer and files separate Section 16 reports.

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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.