Jean Jacques Bienaime - Jun 4, 2025 Form 4 Insider Report for Keros Therapeutics, Inc. (KROS)

Role
Director
Signature
/s/ Keith Regnante, Attorney-in-Fact
Stock symbol
KROS
Transactions as of
Jun 4, 2025
Transactions value $
$0
Form type
4
Date filed
6/6/2025, 04:15 PM
Previous filing
Jun 3, 2025
Next filing
Jun 12, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BIENAIME JEAN JACQUES Director C/O KEROS THERAPEUTICS, INC., 1050 WALTHAM STREET, SUITE 302, LEXINGTON /s/ Keith Regnante, Attorney-in-Fact 2025-06-06 0001221590

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KROS Common Stock Award $0 +5.25K +2625% $0.00 5.45K Jun 4, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction KROS Stock Option (right to buy) Award $0 +10.5K $0.00 10.5K Jun 4, 2025 Common Stock 10.5K $14.82 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents a restricted stock unit ("RSU") award. The RSUs fully vest on the earlier of (A) June 4, 2026 and (B) the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person continuing to provide service through each such date.
F2 The option shall vest in equal quarterly installments over the 12 months following the date of grant, provided that the grant will in any case be fully vested on the date of Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person continuing to provide service through each such date.