Form 4 Tracker
Keros Therapeutics, Inc.
KROS

31 insider filings · Latest: Aug 18, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 18, 2026Aug 20 8:10 PMAnnita TaniniCorp. Controller & VP, Finance
Sale
1,224$10.29$12.6K45,144(D)

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Aug 18, 2026Aug 20 8:10 PMLorena Raquel LernerChief Scientific Officer
Sale
3,568$10.29$36.7K27,559(D)

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Aug 18, 2026Aug 20 8:10 PMEsther ChoChief Legal Officer
Sale
4,485$10.29$46.2K35,770(D)

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Aug 18, 2026Aug 20 8:10 PMCharles W. NewtonDirector
Sale
551$10.30$5.7K12,114(D)

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Aug 17, 2026Aug 19 8:10 PMJean Jacques BienaimeDirector
Purchase
1,000$10.27$10.3K19,592(D)

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Aug 18, 2026Aug 18 8:11 PMNewton Charles W.
Proposed Sale
551$10.38$5.7K—

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Jul 15, 2026Jul 17 8:10 PMJean Jacques BienaimeDirector
Purchase
1,000$10.61$10.6K18,592(D)

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Jun 15, 2026Jun 17 8:55 PMJean Jacques BienaimeDirector
Purchase
1,000$10.19$10.2K17,592(D)

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Jun 11, 2026Jun 15 8:15 PMCharles W. NewtonDirector
Sale
550$10.04$5.5K12,665(D)

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Jun 11, 2026Jun 11 8:15 PMNewton Charles W.
Proposed Sale
550$9.95$5.5K—

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Jun 4, 2026Jun 8 8:37 PMNima FarzanDirector
Sale
2,625$10.73$28.2K9,767(D)

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Jun 4, 2026Jun 8 8:36 PMJulius KnowlesDirector
Sale
2,625$10.73$28.2K10,958(D)

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Jun 4, 2026Jun 5 8:15 PMAlpna SethDirector
Sale
2,625$10.72$28.1K9,767(D)

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Jun 4, 2026Jun 4 8:11 PMFarzan Nima
Proposed Sale
2,625$10.68$28.0K—

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Jun 4, 2026Jun 4 8:09 PMKnowles Julius
Proposed Sale
2,625$10.68$28.0K—

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Jun 4, 2026Jun 4 8:07 PMSeth Alpna
Proposed Sale
2,625$10.68$28.0K—

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May 15, 2026May 19 8:15 PMJean Jacques BienaimeDirector
Purchase
1,000$10.58$10.6K9,450(D)

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Apr 15, 2026Apr 17 8:15 PMJean Jacques BienaimeDirector
Purchase
1,000$11.70$11.7K8,450(D)

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Mar 31, 2026Apr 1 1:57 AMOrbiMed Genesis Master Fund, LP
Proposed Sale
45,057$11.04$497.4K—

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Mar 9, 2026Mar 11 8:33 PMJean Jacques BienaimeDirector
Purchase
2,000$11.21$22.4K7,450(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 1, 2026Jul 6 8:31 PMAnne PrenerDirector
Grant/Award
14,870$10.8814,870(D)

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Jun 3, 2026Jun 5 9:20 PMAlpna SethDirector
Grant/Award
7,433$10.507,433(D)

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Jun 3, 2026Jun 5 8:15 PMMary Ann GrayDirector
Grant/Award
7,433$10.507,433(D)

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Jun 3, 2026Jun 5 8:15 PMNima FarzanDirector
Grant/Award
7,433$10.507,433(D)

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Jun 3, 2026Jun 5 8:15 PMJean Jacques BienaimeDirector
Grant/Award
7,433$10.507,433(D)

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Jun 3, 2026Jun 5 8:15 PMJulius KnowlesDirector
Grant/Award
7,433$10.507,433(D)

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Apr 2, 2026Apr 6 8:15 PMJasbir SeehraDirector, CHIEF EXECUTIVE OFFICER
Option Exercise
55,000$0.30197,444(D)

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Feb 24, 2026Mar 27 8:15 PMEsther ChoChief Legal Officer
Grant/Award
80,000$15.5280,000(D)

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Mar 9, 2026Mar 11 8:39 PMCharles W. NewtonDirector
Grant/Award
14,788$11.3514,788(D)

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Feb 24, 2026Feb 26 9:15 PMJasbir SeehraDirector, CHIEF EXECUTIVE OFFICER
Grant/Award
317,000$15.52100,000(D)

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Feb 24, 2026Feb 26 9:15 PMKeith RegnanteCHIEF FINANCIAL OFFICER
Grant/Award
60,000$15.5260,000(D)

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Feb 24, 2026Feb 26 9:15 PMEsther ChoChief Legal Officer
Grant/Award
80,000$15.5280,000(D)

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Feb 24, 2026Feb 26 9:15 PMLorena Raquel LernerChief Scientific Officer
Grant/Award
75,000$15.5275,000(D)

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