Keith Regnante - 18 Feb 2026 Form 4 Insider Report for Keros Therapeutics, Inc. (KROS)

Role: CHIEF FINANCIAL OFFICER
Signature: /s/ Keith Regnante
Issuer symbol: KROS
Transactions as of: 18 Feb 2026
Net transactions value: -$77,483
Form type: 4
Filing time: 20 Feb 2026, 16:15:07 UTC
Previous filing: 19 Feb 2025
Next filing: 26 Feb 2026
SEC: View on sec.gov

Quoteable Key Fact

"Keith Regnante filed Form 4 for Keros Therapeutics, Inc. (KROS) on 20 Feb 2026."

Quick Takeaways

This page summarizes Keith Regnante's Form 4 filing for Keros Therapeutics, Inc. (KROS).
1 reported transaction and 0 derivative rows are listed below.
Filing timestamp: 20 Feb 2026, 16:15.

What Changed

Previous filing in this sequence was filed on 19 Feb 2025.
Current net transaction value: -$77,483.

Why This Matters

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Regnante Keith	CHIEF FINANCIAL OFFICER	C/O KEROS THERAPEUTICS, INC., 1050 WALTHAM STREET, SUITE 302, LEXINGTON	/s/ Keith Regnante	20 Feb 2026	0001682068

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KROS	Common Stock	Sale	$77,483	-4,739	-11%	$16.35	39,261	18 Feb 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.05 to $16.65 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Content

The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.05 to $16.65 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.