NASDAQ:KROS | Insider Transactions | Keros Therapeutics, Inc.

KROS Insider Transactions

533 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

KROS insiders transaction timeline

PurchaseSale
2020-04-13: 42 purchases — Knowles Julius, Seehra Jasbir, Pontifax (Cayman) IV L.P. and 15 more2020-11-17: 72 purchases — Nussbaum Ran, Pontifax (Cayman) IV L.P., Pontifax (China) IV L.P. and 5 more2021-02-11: 23 sales — Knowles Julius, Ordonez Claudia, Lachey Jennifer2021-02-12: 10 sales — Knowles Julius2021-02-16: 8 sales — Knowles Julius2021-02-17: 10 sales — Knowles Julius2021-02-18: 10 sales — Knowles Julius2021-03-01: 14 sales — Knowles Julius2021-03-02: 10 sales — Knowles Julius2021-03-03: 8 sales — Knowles Julius2021-03-04: 10 sales — Knowles Julius2021-03-11: 5 sales — Ordonez Claudia, Lachey Jennifer2021-04-01: 8 sales — Knowles Julius2021-04-05: 6 sales — Knowles Julius2021-04-06: 6 sales — Knowles Julius2021-04-12: 7 sales — Ordonez Claudia, Lachey Jennifer2021-05-03: 10 sales — Knowles Julius2021-05-04: 4 sales — Knowles Julius2021-05-11: 2 sales — Ordonez Claudia, Lachey Jennifer2021-06-01: 8 sales — Knowles Julius2021-06-02: 8 sales — Knowles Julius2021-06-03: 4 sales — Knowles Julius2021-06-04: 4 sales — Knowles Julius2021-06-07: 12 sales — Knowles Julius2021-06-11: 5 sales — Lachey Jennifer, Ordonez Claudia2021-07-01: 6 sales — Knowles Julius2021-07-02: 4 sales — Knowles Julius2021-09-27: 6 sales — Knowles Julius2021-10-01: 2 sales — Knowles Julius2021-10-04: 2 sales — Knowles Julius2021-10-05: 2 sales — Knowles Julius2021-10-14: 2 sales — Knowles Julius2021-10-15: 6 sales — Knowles Julius2021-10-18: 4 sales — Knowles Julius2021-10-19: 4 sales — Knowles Julius2021-10-20: 4 sales — Knowles Julius2021-11-01: 4 sales — Knowles Julius2021-11-02: 4 sales — Knowles Julius2021-11-03: 4 sales — Knowles Julius2021-11-04: 1 sale — Lachey Jennifer2021-11-10: 1 sale — Lachey Jennifer2021-11-11: 2 sales — Lachey Jennifer2021-12-01: 8 sales — Knowles Julius2021-12-02: 8 sales — Knowles Julius2021-12-13: 3 sales — Lachey Jennifer2021-12-15: 1 sale — Lachey Jennifer2022-01-03: 8 sales — Knowles Julius2022-01-04: 10 sales — Knowles Julius2022-01-05: 7 sales — Lachey Jennifer, Knowles Julius2022-01-11: 3 sales — Lachey Jennifer2022-02-11: 3 sales — Lachey Jennifer2022-03-11: 3 sales — Lachey Jennifer2022-04-01: 5 sales — Rovaldi Christopher2022-04-04: 1 sale — Lachey Jennifer2022-04-06: 1 sale — Rovaldi Christopher2022-04-11: 4 sales — Lachey Jennifer2022-05-11: 5 sales — Lachey Jennifer2022-07-13: 1 sale — Lachey Jennifer2022-07-15: 1 sale — Lachey Jennifer2023-06-08: 2 sales — Regnante Keith2023-06-09: 3 sales — Regnante Keith2023-11-04: 1 sale — Regnante Keith2024-01-04: 1 sale — Regnante Keith2024-08-13: 8 sales — GORDON CARL L, ORBIMED ADVISORS LLC, OrbiMed Capital GP VII LLC and 1 more2025-04-09: 20 purchases — ADAR1 Partners, LP, Schneeberger Daniel, ADAR1 Capital Management GP, LLC and 1 more2025-10-15: 44 sales — Kariv Tomer, Nussbaum Ran, Pontifax (Cayman) IV L.P. and 9 more2026-02-18: 3 sales — Cho Esther, Lerner Lorena Raquel, Regnante Keith2026-02-19: 1 sale — Seehra Jasbir2026-03-09: 1 purchase — BIENAIME JEAN JACQUES2026-04-15: 1 purchase — BIENAIME JEAN JACQUES2026-05-15: 1 purchase — BIENAIME JEAN JACQUES2026-06-04: 3 sales — Knowles Julius, Farzan Nima, Seth Alpna2026-06-11: 1 sale — Newton Charles W.2026-06-15: 1 purchase — BIENAIME JEAN JACQUES2026-07-15: 1 purchase — BIENAIME JEAN JACQUES2026-08-17: 1 purchase — BIENAIME JEAN JACQUES2026-08-18: 4 sales — Tanini Annita, Cho Esther, Lerner Lorena Raquel and 1 more2020-04-132026-08-18
Insider profileRoleDateTransactionSharesPrice
Tanini AnnitaCorp. Controller & VP, Finance2026-08-18Sale1,224$10.29
Cho EstherChief Legal Officer2026-08-18Sale4,485$10.29
Lerner Lorena RaquelChief Scientific Officer2026-08-18Sale3,568$10.29
Newton Charles W.Director2026-08-18Sale551$10.30
BIENAIME JEAN JACQUESDirector2026-08-17Purchase1,000$10.27
BIENAIME JEAN JACQUESDirector2026-07-15Purchase1,000$10.61
BIENAIME JEAN JACQUESDirector2026-06-15Purchase1,000.0$10.19
Newton Charles W.Director2026-06-11Sale550.0$10.04
Knowles JuliusDirector2026-06-04Sale2,625.0$10.73
Farzan NimaDirector2026-06-04Sale2,625.0$10.73
Seth AlpnaDirector2026-06-04Sale2,625.0$10.72
BIENAIME JEAN JACQUESDirector2026-05-15Purchase1,000.0$10.58
BIENAIME JEAN JACQUESDirector2026-04-15Purchase1,000.0$11.7
BIENAIME JEAN JACQUESDirector2026-03-09Purchase2,000.0$11.21
Seehra JasbirCHIEF EXECUTIVE OFFICER2026-02-19Sale7,015.0$16.17
Cho EstherSVP, General Counsel2026-02-18Sale4,745.0$16.35
Lerner Lorena RaquelChief Science Officer2026-02-18Sale3,873.0$16.35
Regnante KeithCHIEF FINANCIAL OFFICER2026-02-18Sale4,739.0$16.35
Kariv TomerDirector,TenPercentOwner2025-10-15Sale155,262.0$17.75
Nussbaum RanDirector,TenPercentOwner2025-10-15Sale155,262.0$17.75
Pontifax (Cayman) IV L.P.TenPercentOwner2025-10-15Sale155,262.0$17.75
Pontifax (China) IV L.P.TenPercentOwner2025-10-15Sale155,262.0$17.75
Pontifax (Israel) IV, L.P.TenPercentOwner2025-10-15Sale155,262.0$17.75
Pontifax Management 4 G.P. (2015) Ltd.TenPercentOwner2025-10-15Sale155,262.0$17.75
Pontifax Late Stage Fund L.P.TenPercentOwner2025-10-15Sale155,262.0$17.75
Pontifax Late Stage GP Ltd.TenPercentOwner2025-10-15Sale155,262.0$17.75
Kariv TomerDirector,TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Nussbaum RanDirector,TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Pontifax (Cayman) IV L.P.TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Pontifax (China) IV L.P.TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Pontifax (Israel) IV, L.P.TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Pontifax Management 4 G.P. (2015) Ltd.TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Pontifax Late Stage Fund L.P.TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Pontifax Late Stage GP Ltd.TenPercentOwner2025-10-15Sale1,226,412.0$17.75
Kariv TomerDirector,TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Nussbaum RanDirector,TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Pontifax (Cayman) IV L.P.TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Pontifax (China) IV L.P.TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Pontifax (Israel) IV, L.P.TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Pontifax Management 4 G.P. (2015) Ltd.TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Pontifax Late Stage Fund L.P.TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Pontifax Late Stage GP Ltd.TenPercentOwner2025-10-15Sale1,121,045.0$17.75
Kariv TomerDirector,TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Nussbaum RanDirector,TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Pontifax (Cayman) IV L.P.TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Pontifax (China) IV L.P.TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Pontifax (Israel) IV, L.P.TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Pontifax Management 4 G.P. (2015) Ltd.TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Pontifax Late Stage Fund L.P.TenPercentOwner2025-10-15Sale2,284,612.0$17.75
Pontifax Late Stage GP Ltd.TenPercentOwner2025-10-15Sale2,284,612.0$17.75
ADAR1 Partners, LPTenPercentOwner2025-10-15Sale743,358.0$17.75
Schneeberger DanielTenPercentOwner2025-10-15Sale743,358.0$17.75
ADAR1 Capital Management GP, LLCTenPercentOwner2025-10-15Sale743,358.0$17.75
ADAR1 Capital Management, LLCTenPercentOwner2025-10-15Sale743,358.0$17.75
ADAR1 Partners, LPTenPercentOwner2025-10-15Sale254,669.0$17.75
Schneeberger DanielTenPercentOwner2025-10-15Sale254,669.0$17.75
ADAR1 Capital Management GP, LLCTenPercentOwner2025-10-15Sale254,669.0$17.75
ADAR1 Capital Management, LLCTenPercentOwner2025-10-15Sale254,669.0$17.75
ADAR1 Partners, LPTenPercentOwner2025-10-15Sale4,391,237.0$17.75
Schneeberger DanielTenPercentOwner2025-10-15Sale4,391,237.0$17.75
ADAR1 Capital Management GP, LLCTenPercentOwner2025-10-15Sale4,391,237.0$17.75
ADAR1 Capital Management, LLCTenPercentOwner2025-10-15Sale4,391,237.0$17.75
ADAR1 Partners, LPTenPercentOwner2025-04-09Purchase74,333.0$10.33
Schneeberger DanielTenPercentOwner2025-04-09Purchase74,333.0$10.33
ADAR1 Capital Management GP, LLCTenPercentOwner2025-04-09Purchase74,333.0$10.33
ADAR1 Capital Management, LLCTenPercentOwner2025-04-09Purchase74,333.0$10.33
ADAR1 Partners, LPTenPercentOwner2025-04-09Purchase500,000.0$10.33
Schneeberger DanielTenPercentOwner2025-04-09Purchase500,000.0$10.33
ADAR1 Capital Management GP, LLCTenPercentOwner2025-04-09Purchase500,000.0$10.33
ADAR1 Capital Management, LLCTenPercentOwner2025-04-09Purchase500,000.0$10.33
ADAR1 Partners, LPTenPercentOwner2025-04-09Purchase325,000.0$9.86
Schneeberger DanielTenPercentOwner2025-04-09Purchase325,000.0$9.86
ADAR1 Capital Management GP, LLCTenPercentOwner2025-04-09Purchase325,000.0$9.86
ADAR1 Capital Management, LLCTenPercentOwner2025-04-09Purchase325,000.0$9.86
ADAR1 Partners, LPTenPercentOwner2025-04-09Purchase16,365.0$9.4
Schneeberger DanielTenPercentOwner2025-04-09Purchase16,365.0$9.4
ADAR1 Capital Management GP, LLCTenPercentOwner2025-04-09Purchase16,365.0$9.4
ADAR1 Capital Management, LLCTenPercentOwner2025-04-09Purchase16,365.0$9.4
ADAR1 Partners, LPTenPercentOwner2025-04-09Purchase18,560.0$9.4
Schneeberger DanielTenPercentOwner2025-04-09Purchase18,560.0$9.4
ADAR1 Capital Management GP, LLCTenPercentOwner2025-04-09Purchase18,560.0$9.4
ADAR1 Capital Management, LLCTenPercentOwner2025-04-09Purchase18,560.0$9.4
GORDON CARL LDirector2024-08-13Sale29,400.0$44.01
GORDON CARL LDirector2024-08-13Sale220,600.0$44.01
ORBIMED ADVISORS LLCDirector2024-08-13Sale29,400.0$44.01
OrbiMed Capital GP VII LLCDirector2024-08-13Sale29,400.0$44.01
OrbiMed Genesis GP LLCDirector2024-08-13Sale29,400.0$44.01
ORBIMED ADVISORS LLCDirector2024-08-13Sale220,600.0$44.01
OrbiMed Capital GP VII LLCDirector2024-08-13Sale220,600.0$44.01
OrbiMed Genesis GP LLCDirector2024-08-13Sale220,600.0$44.01
Regnante KeithCHIEF FINANCIAL OFFICER2024-01-04Sale40,000.0$45.29
Regnante KeithChief Financial Officer2023-11-04Sale40,000.0$45.29
Regnante KeithChief Financial Officer2023-06-09Sale2,579.0$47.25
Regnante KeithChief Financial Officer2023-06-09Sale1,428.0$46.46
Regnante KeithChief Financial Officer2023-06-09Sale15,993.0$45.03
Regnante KeithChief Financial Officer2023-06-08Sale2,699.0$48.65
Regnante KeithChief Financial Officer2023-06-08Sale17,301.0$47.66
Lachey JenniferChief Scientific Officer2022-07-15Sale46,034.0$30.0
Lachey JenniferChief Scientific Officer2022-07-13Sale1,916.0$30.0
Lachey JenniferChief Scientific Officer2022-05-11Sale16.0$45.45