Last 12 months
Inside the activity.
4 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 1 | 0 |
| Dec 2025 | 3 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 17, 2021 Filed Sep 21, 2021 20:05 UTC |
A2A Pharmaceuticals, Inc.10% owner
|
PurchaseCommon Stock | 34,658 | $10.96 | $379,851.68 |
DisclosureSEC source: 0000899243-21-036769 · doc4.xml · nonDerivative · entry 1 A2A Pharmaceuticals, Inc. · CIK 0001859061 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 4,400,000 F1 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $10.89 to $11.04. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F2 · ownership.direct: These shares are held directly by A2A Pharmaceuticals Inc. Sotirios Stergiopoulos is a member of the Issuer's Board of Directors and is an affiliate of the Reporting Person. Read SEC document |
| September 17, 2021 Filed Sep 21, 2021 20:05 UTC |
Stergiopoulos SotiriosDirector
|
PurchaseCommon Stock | 34,658 | $10.96 | $379,851.68 |
DisclosureSEC source: 0000899243-21-036767 · doc4.xml · nonDerivative · entry 1 Stergiopoulos Sotirios · CIK 0001856641 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · See footnote Disclosed balance after: 4,400,000 F1 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $10.89 to $11.04. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F2 · ownership.nature: These shares are held directly by A2A Pharmaceuticals Inc. Sotirios Stergiopoulos is a member of the Issuer's Board of Directors and an affiliate of A2A Pharmaceuticals Inc. The Reporting Person disclaims beneficial ownership over the shares reported herein except to the extent of his pecuniary interest therein, if any. Read SEC document |
| August 23, 2021 Filed Aug 26, 2021 00:56 UTC |
Erdtmann Rainer MDirector · President & COO · 10% owner
|
PurchaseCommon Stock | 24,000 | $13.20 | $316,872.00 |
DisclosureSEC source: 0001567619-21-016342 · doc1.xml · nonDerivative · entry 1 Erdtmann Rainer M · CIK 0001455767 · Director · President & COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 228,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| August 23, 2021 Filed Aug 26, 2021 00:55 UTC |
Butler Thomas AndrewDirector · CEO · 10% owner
|
PurchaseCommon Stock | 24,000 | $13.20 | $316,872.00 |
DisclosureSEC source: 0001567619-21-016341 · doc1.xml · nonDerivative · entry 1 Butler Thomas Andrew · CIK 0001857171 · Director · CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 228,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| August 18, 2021 Filed Aug 20, 2021 01:41 UTC |
Erdtmann Rainer MDirector · President & COO · 10% owner
|
PurchaseCommon Stock | 14,000 | $10.77 | $150,738.00 |
DisclosureSEC source: 0001567619-21-016160 · doc1.xml · nonDerivative · entry 3 Erdtmann Rainer M · CIK 0001455767 · Director · President & COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 204,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| August 18, 2021 Filed Aug 20, 2021 01:40 UTC |
Butler Thomas AndrewDirector · CEO · 10% owner
|
PurchaseCommon Stock | 14,000 | $10.77 | $150,738.00 |
DisclosureSEC source: 0001567619-21-016159 · doc1.xml · nonDerivative · entry 3 Butler Thomas Andrew · CIK 0001857171 · Director · CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 204,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| August 17, 2021 Filed Aug 20, 2021 01:41 UTC |
Erdtmann Rainer MDirector · President & COO · 10% owner
|
PurchaseCommon Stock | 14,000 | $10.79 | $151,067.00 |
DisclosureSEC source: 0001567619-21-016160 · doc1.xml · nonDerivative · entry 2 Erdtmann Rainer M · CIK 0001455767 · Director · President & COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 190,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| August 17, 2021 Filed Aug 20, 2021 01:40 UTC |
Butler Thomas AndrewDirector · CEO · 10% owner
|
PurchaseCommon Stock | 14,000 | $10.79 | $151,067.00 |
DisclosureSEC source: 0001567619-21-016159 · doc1.xml · nonDerivative · entry 2 Butler Thomas Andrew · CIK 0001857171 · Director · CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 190,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| August 03, 2021 Filed Aug 5, 2021 19:25 UTC |
Valle FrancoChief Financial Officer
|
GrantStock Option (Right to Buy) · Derivative | 165,000 | $0.00 Strike: $13.45 | $0.00 |
DisclosureSEC source: 0001567619-21-014561 · doc1.xml · derivative · entry 1 Valle Franco · CIK 0001699848 · Chief Financial Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 165,000 Underlying: Common Stock · 165,000 shares Expires 2031-07-25 F1 · derivative.exercise_date: The option shall vest and become exercisable in quarterly installments over four years, subject to the Reporting Person's continued service to the Issuer though each vesting date. Read SEC document |
| June 16, 2021 Filed Jun 21, 2021 21:14 UTC |
Ray SumitaDirector
|
GrantStock Option (Right to Buy) · Derivative | 17,724 | $0.00 Strike: $20.46 | $0.00 |
DisclosureSEC source: 0001567619-21-012451 · doc1.xml · derivative · entry 1 Ray Sumita · CIK 0001579629 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 17,724 Underlying: Common Stock · 17,724 shares Expires 2031-06-16 F1 · derivative.exercise_date: The shares underlying the stock option shall vest in equal monthly installments over a three year period beginning on June 16, 2021, so that all shares shall have vested on June 16, 2024, subject to the Reporting Person continued service to the Issuer through each vesting date. Read SEC document |
| April 20, 2021 Filed Apr 22, 2021 20:09 UTC |
Chen BihuaDirector
Cormorant Asset Management, LP10% owner
|
ConversionSeries A Convertible Preferred Stock · Derivative | 2,270,872 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-21-008471 · doc1.xml · derivative · entry 3 Chen Bihua · CIK 0001599214 · Director Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 10% owner Cormorant Asset Management, LP · CIK 0001583977 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnotes Disclosed balance after: 0 Underlying: Common Stock · 2,270,872 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: Shares of Series A Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering. F1 · price: Shares of Series A Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering. F1 · derivative.exercise_date: Shares of Series A Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering. F1 · derivative.expiration_date: Shares of Series A Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering. F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose. F5 · ownership.nature: The Series A Convertible Preferred Stock represented, on an as-converted basis, (i) 517,078 shares of Common Stock held by the Master Fund, (ii) 1,717,232 shares of Common Stock held by Fund III, and (iii) 36,562 shares of Common Stock held by the Account Read SEC document |
| April 20, 2021 Filed Apr 22, 2021 20:09 UTC |
Chen BihuaDirector
Cormorant Asset Management, LP10% owner
|
PurchaseCommon Stock | 900,000 | $17.00 | $15,300,000.00 |
DisclosureSEC source: 0001567619-21-008471 · doc1.xml · nonDerivative · entry 2 Chen Bihua · CIK 0001599214 · Director Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 10% owner Cormorant Asset Management, LP · CIK 0001583977 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnotes Disclosed balance after: 3,170,872 F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose. F4 · ownership.nature: Shares reported herein as purchased on April 20, 2021 represent (i) 878,850 shares purchased by the Master Fund, and (ii) 21,150 shares purchased by the Account. Read SEC document |
| April 20, 2021 Filed Apr 22, 2021 20:09 UTC |
Chen BihuaDirector
Cormorant Asset Management, LP10% owner
|
ConversionCommon Stock | 2,270,872 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-21-008471 · doc1.xml · nonDerivative · entry 1 Chen Bihua · CIK 0001599214 · Director Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 10% owner Cormorant Asset Management, LP · CIK 0001583977 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnotes Disclosed balance after: 2,270,872 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: Shares of Series A Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering. F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose. F3 · ownership.nature: Represents (i) 517,078 shares of Common Stock held by the Master Fund, (ii) 1,717,232 shares of Common Stock held by Fund III, and (iii) 36,562 shares of Common Stock held by the Account. Read SEC document |
| April 15, 2021 Filed Apr 20, 2021 01:04 UTC |
Cormorant Asset Management, LPDirector · 10% owner
Chen BihuaDirector · 10% owner
|
GrantStock Option (right to buy) · Derivative | 28,911 | $0.00 Strike: $17.00 | $0.00 |
DisclosureSEC source: 0001567619-21-008333 · doc1.xml · derivative · entry 2 Cormorant Asset Management, LP · CIK 0001583977 · Director · 10% owner Chen Bihua · CIK 0001599214 · Director · 10% owner Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 28,911 Underlying: Common Stock · 28,911 shares Expires 2031-04-14 F4 · derivative.exercise_date: The options are granted with a 36 month vesting period, vesting monthly. F5 · ownership.direct: Stock options granted to Bihua Chen, in her capacity as a director of the Issuer. Read SEC document |
| April 15, 2021 Filed Apr 19, 2021 23:52 UTC |
AGUIAR ERICDirector
|
GrantStock Option (Right to Buy) · Derivative | 28,911 | $0.00 Strike: $17.00 | $0.00 |
DisclosureSEC source: 0000899243-21-016301 · doc4.xml · derivative · entry 1 AGUIAR ERIC · CIK 0001262325 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 28,911 Underlying: Common Stock · 28,911 shares Expires 2031-04-14 F1 · derivative.exercise_date: The shares underlying the stock option vest in equal monthly installments over a three year period beginning on April 20, 2021, so that all shares shall have vested on April 20, 2024, subject to the Reporting Person continued service to the Issuer through each vesting date. Read SEC document |
| April 15, 2021 Filed Apr 19, 2021 23:47 UTC |
Stergiopoulos SotiriosDirector
|
GrantStock Option (Right to Buy) · Derivative | 28,911 | $0.00 Strike: $17.00 | $0.00 |
DisclosureSEC source: 0000899243-21-016299 · doc4.xml · derivative · entry 1 Stergiopoulos Sotirios · CIK 0001856641 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 28,911 Underlying: Common Stock · 28,911 shares Expires 2031-04-14 F1 · derivative.exercise_date: The shares underlying the stock option vest in equal monthly installments over a three year period beginning on April 20, 2021, so that all shares shall have vested on April 20, 2024, subject to the Reporting Person continued service to the Issuer through each vesting date. Read SEC document |
| April 15, 2021 Filed Apr 19, 2021 23:47 UTC |
Hitchcock Michael J.M.Director
|
GrantStock Option (Right to Buy) · Derivative | 28,911 | $0.00 Strike: $17.00 | $0.00 |
DisclosureSEC source: 0000899243-21-016298 · doc4.xml · derivative · entry 1 Hitchcock Michael J.M. · CIK 0001856674 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 28,911 Underlying: Common Stock · 28,911 shares Expires 2031-04-14 F1 · derivative.exercise_date: The shares underlying the stock option vest in equal monthly installments over a three year period beginning on April 20, 2021, so that all shares shall have vested on April 20, 2024, subject to the Reporting Person continued service to the Issuer through each vesting date. Read SEC document |
| April 15, 2021 Filed Aug 20, 2021 01:41 UTC |
Erdtmann Rainer MDirector · President & COO · 10% owner
|
PurchaseCommon Stock | 176,470 | $17.00 | $2,999,990.00 |
DisclosureSEC source: 0001567619-21-016160 · doc1.xml · nonDerivative · entry 1 Erdtmann Rainer M · CIK 0001455767 · Director · President & COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 176,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| April 15, 2021 Filed Aug 20, 2021 01:40 UTC |
Butler Thomas AndrewDirector · CEO · 10% owner
|
PurchaseCommon Stock | 176,470 | $17.00 | $2,999,990.00 |
DisclosureSEC source: 0001567619-21-016159 · doc1.xml · nonDerivative · entry 1 Butler Thomas Andrew · CIK 0001857171 · Director · CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnote Disclosed balance after: 176,470 F1 · ownership.nature: The shares are held directly by Point Sur Investors Fund I, LP ("Point Sur LP"). The General Partner of Point Sur LP is Point Sur Investors LLC. Rainer M Erdtmann and Thomas Butler are the managing members of Point Sur Investors, LLC and as such have voting and dispositive power over the securities held by Point Sur LP. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Read SEC document |
| April 15, 2021 Filed Feb 10, 2023 21:10 UTC Amendment |
Erdtmann Rainer MDirector · President and COO · 10% owner
|
PurchaseCommon Stock | 3,000 | $17.00 | $51,000.00 |
DisclosureSEC source: 0000899243-23-004569 · doc4a.xml · nonDerivative · entry 3 Erdtmann Rainer M · CIK 0001455767 · Director · President and COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · By son Disclosed balance after: 3,000 Read SEC document |
| April 15, 2021 Filed Feb 10, 2023 21:10 UTC Amendment |
Erdtmann Rainer MDirector · President and COO · 10% owner
|
PurchaseCommon Stock | 3,000 | $17.00 | $51,000.00 |
DisclosureSEC source: 0000899243-23-004569 · doc4a.xml · nonDerivative · entry 2 Erdtmann Rainer M · CIK 0001455767 · Director · President and COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · By daughter Disclosed balance after: 3,000 Read SEC document |
| April 15, 2021 Filed Feb 10, 2023 21:10 UTC Amendment |
Erdtmann Rainer MDirector · President and COO · 10% owner
|
PurchaseCommon Stock | 2,400 | $17.00 | $40,800.00 |
DisclosureSEC source: 0000899243-23-004569 · doc4a.xml · nonDerivative · entry 1 Erdtmann Rainer M · CIK 0001455767 · Director · President and COO · 10% owner 10b5-1 filing: Not disclosed Ownership: Indirect · By daughter Disclosed balance after: 2,400 Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.