Insider Transactions Reported by 21 Insiders of Keros Therapeutics, Inc.

Symbol
KROS on Nasdaq
Location
Lexington, MA

Insiders trading volume in the past year

Keros Therapeutics, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Jasbir Seehra CHIEF EXECUTIVE OFFICER, Director $6,236,898 -$113,433 -1.8% 24 Feb 2026
Jennifer Lachey Chief Scientific Officer $4,307,079 15 Jul 2022
Christopher Rovaldi Chief Operating Officer $2,640,600 18 Feb 2025
Tomer Kariv Director, 10%+ Owner $2,241,983 04 Jun 2025
Ran Nussbaum Director, 10%+ Owner $2,241,983 04 Jun 2025
YUNG H. CHYUNG Chief Medical Officer $1,936,440 18 Feb 2025
Julius Knowles Director $1,927,352 21 Nov 2025
ORBIMED ADVISORS LLC Director $799,761 21 Nov 2025
CARL L. GORDON Director $799,761 21 Nov 2025
Esther Cho SVP, General Counsel $649,994 -$77,581 -11% 18 Feb 2026
Keith Regnante Chief Financial Officer $641,917 -$77,483 -11% 24 Feb 2026
Lorena Raquel Lerner Chief Scientific Officer $508,926 -$63,324 -11% 24 Feb 2026
Charles W. Newton Director $227,826 09 Mar 2026
Pontifax Management 4 G.P. (2015) Ltd. 10%+ Owner $166,110 -$84,975,125 -100% 15 Oct 2025
JEAN JACQUES BIENAIME Director $83,514 +$22,420 +37% 09 Mar 2026
Alpna Seth Director $75,810 04 Jun 2025
Nima Farzan Director $75,810 04 Jun 2025
MARY ANN GRAY Director $75,810 04 Jun 2025
ADAR1 Capital Management, LLC 10%+ Owner $0 -$86,194,924 -100% 15 Oct 2025
Simon Peter Cooper Chief Medical Officer 13 Feb 2024
Claudia Ordonez Chief Medical Officer 11 Jun 2021

Recent Insider Transactions by Companies or Individuals for Keros Therapeutics, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Charles W. Newton KROS Common Stock Award 13,215 13,215 09 Mar 2026 Direct
Charles W. Newton KROS Stock Option (Right to Buy) Award 14,788 14,788 09 Mar 2026 Direct
JEAN JACQUES BIENAIME KROS Common Stock Purchase 36.7% $22,420 $11.21 2,000 7,450 09 Mar 2026 Direct
Jasbir Seehra KROS Employee Stock Option (Right to Buy) Award 317,000 217,000 24 Feb 2026 Direct
Keith Regnante KROS Employee Stock Option (Right to Buy) Award 60,000 60,000 24 Feb 2026 Direct
Esther Cho KROS Employee Stock Option (Right to Buy) Award 80,000 80,000 24 Feb 2026 Direct
Lorena Raquel Lerner KROS Employee Stock Option (Right to Buy) Award 75,000 75,000 24 Feb 2026 Direct
Jasbir Seehra KROS Common Stock Sale -1.79% $113,433 $16.17 -7,015 385,708 19 Feb 2026 Direct
Lorena Raquel Lerner KROS Common Stock Sale -11.1% $63,324 $16.35 -3,873 31,127 18 Feb 2026 Direct
Esther Cho KROS Common Stock Sale -10.7% $77,581 $16.35 -4,745 39,755 18 Feb 2026 Direct
Keith Regnante KROS Common Stock Sale -10.8% $77,483 $16.35 -4,739 39,261 18 Feb 2026 Direct
Jasbir Seehra KROS Employee Stock Option (right to buy) Award 62,500 62,500 07 Jan 2026 Direct
Orbimed Advisors Llc KROS Common Stock Disposed to Issuer -82.6% -214,522 45,057 21 Nov 2025 See footnotes
Carl L. Gordon KROS Common Stock Disposed to Issuer -82.6% -214,522 45,057 21 Nov 2025 See footnotes
Julius Knowles KROS Common Stock Disposed to Issuer -75.9% -322,021 102,233 21 Nov 2025 See footnote
Pontifax Management 4 G.P. (2015) Ltd. KROS Common Stock, $0.0001 par value per share Sale -100% $2,755,900 $17.75 -155,262 0 15 Oct 2025 By Pontifax Late Stage Fund, L.P.
Pontifax Management 4 G.P. (2015) Ltd. KROS Common Stock, $0.0001 par value per share Sale -100% $21,768,813 $17.75 -1,226,412 0 15 Oct 2025 By Pontifax (China) IV, L.P.
Pontifax Management 4 G.P. (2015) Ltd. KROS Common Stock, $0.0001 par value per share Sale -100% $19,898,549 $17.75 -1,121,045 0 15 Oct 2025 By Pontifax (Cayman) IV, L.P.
Pontifax Management 4 G.P. (2015) Ltd. KROS Common Stock, $0.0001 par value per share Sale -100% $40,551,863 $17.75 -2,284,612 0 15 Oct 2025 By Pontifax (Israel) IV, L.P.
ADAR1 Capital Management, LLC KROS Common Stock Sale -100% $13,194,604 $17.75 -743,358 0 15 Oct 2025 By Spearhead Insurance Solutions IDF, LLC
ADAR1 Capital Management, LLC KROS Common Stock Sale -100% $4,520,375 $17.75 -254,669 0 15 Oct 2025 By ADAR1 SPVI, LP
ADAR1 Capital Management, LLC KROS Common Stock Sale -100% $77,944,457 $17.75 -4,391,237 0 15 Oct 2025 By ADAR1 Partners, LP
Jasbir Seehra KROS Common Stock Award 29.9% 90,500 392,723 03 Sep 2025 Direct
ADAR1 Capital Management, LLC KROS Common Stock Exercise of in-the-money or at-the-money derivative security -0.03% -200 743,358 20 Jun 2025 By Spearhead Insurance Solutions IDF, LLC
ADAR1 Capital Management, LLC KROS Common Stock Exercise of in-the-money or at-the-money derivative security -0.03% -1,500 4,391,237 20 Jun 2025 By ADAR1 Partners, LP
ADAR1 Capital Management, LLC KROS Put Option (right to sell) Exercise of in-the-money or at-the-money derivative security -100% -2 0 20 Jun 2025 By Spearhead Insurance Solutions IDF, LLC
ADAR1 Capital Management, LLC KROS Put Option (right to sell) Exercise of in-the-money or at-the-money derivative security -100% -15 0 20 Jun 2025 By ADAR1 Partners, LP
Julius Knowles KROS Common Stock Award 440.8% 5,250 6,441 04 Jun 2025 Direct
Julius Knowles KROS Stock Option (right to buy) Award 10,500 10,500 04 Jun 2025 Direct
CARL L. GORDON KROS Common Stock Award 5,250 5,250 04 Jun 2025 Direct
CARL L. GORDON KROS Stock Option (right to buy) Award 10,500 10,500 04 Jun 2025 Direct
Nima Farzan KROS Common Stock Award 5,250 5,250 04 Jun 2025 Direct
Nima Farzan KROS Stock Option (right to buy) Award 10,500 10,500 04 Jun 2025 Direct
Alpna Seth KROS Common Stock Award 5,250 5,250 04 Jun 2025 Direct
Alpna Seth KROS Stock Option (right to buy) Award 10,500 10,500 04 Jun 2025 Direct
MARY ANN GRAY KROS Common Stock Award 5,250 5,250 04 Jun 2025 Direct
MARY ANN GRAY KROS Stock Option (right to buy) Award 10,500 10,500 04 Jun 2025 Direct
JEAN JACQUES BIENAIME KROS Common Stock Award 2625% 5,250 5,450 04 Jun 2025 Direct
JEAN JACQUES BIENAIME KROS Stock Option (right to buy) Award 10,500 10,500 04 Jun 2025 Direct
ADAR1 Capital Management, LLC KROS Put Option (obligation to buy) Expiration of short derivative position -100% -178 0 16 May 2025 By Spearhead Insurance Solutions IDF, LLC
ADAR1 Capital Management, LLC KROS Put Option (obligation to buy) Expiration of short derivative position -100% -1,136 0 16 May 2025 By ADAR1 Partners, LP
ADAR1 Capital Management, LLC KROS Common Stock Purchase 2.25% $153,752 $9.40 16,365 743,558 09 Apr 2025 By Spearhead Insurance Solutions IDF, LLC
ADAR1 Capital Management, LLC KROS Common Stock Purchase 26.4% $9,310,760 $10.14 917,893 4,392,737 09 Apr 2025 By ADAR1 Partners, LP
ADAR1 Capital Management, LLC KROS Cash-Settled Total Return Swaps Other -94.7% -899,333 50,000 09 Apr 2025 By ADAR1 Partners, LP
Jasbir Seehra KROS Common Stock Options Exercise 19.5% 49,367 302,223 04 Apr 2025 Direct
Jasbir Seehra KROS Employee Stock Option (right to buy) Options Exercise -16.4% -49,367 252,444 04 Apr 2025 Direct
YUNG H. CHYUNG KROS Common Stock Award 44,000 44,000 18 Feb 2025 Direct
Keith Regnante KROS Common Stock Award 44,000 44,000 18 Feb 2025 Direct
Christopher Rovaldi KROS Common Stock Award 60,000 60,000 18 Feb 2025 Direct
YUNG H. CHYUNG KROS Employee Stock Option (right to buy) Award 110,000 110,000 08 Nov 2024 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.