Keros Therapeutics, Inc. filings document a clinical-stage biopharmaceutical issuer developing therapeutics that modulate transforming growth factor-beta family signaling. Its 8-K reports cover financial results, Regulation FD corporate presentations, clinical-program announcements, collaboration disclosures, and board composition changes, while exchange registration disclosures identify Nasdaq-listed common stock and preferred share purchase rights.
The company’s proxy materials describe stockholder voting matters, board and committee governance, director compensation, and executive compensation. They also disclose portfolio strategy, including prioritization of rinvatercept, discontinued internal development activities for cibotercept, and related governance oversight of the company’s research and development focus.
Regnante Keith reported acquisition or exercise transactions in this Form 4 filing.
Keros Therapeutics reported that its Chief Financial Officer, Keith Regnante, received a grant of stock options covering 60,000 shares of common stock. These options were awarded as an employee stock option grant at a stated price per share of $0.0000.
According to the terms, one-fourth of the options will vest on February 24, 2027, and the remaining options will vest in twelve substantially equal quarterly installments after that date, as long as he continues to provide service through each vesting date. After this award, he holds 60,000 derivative securities directly.
Cho Esther reported acquisition or exercise transactions in this Form 4 filing.
Keros Therapeutics Chief Legal Officer Esther Cho reported an equity award of employee stock options. On February 24, 2026, she was granted 80,000 options to buy Keros Therapeutics common stock, all held as direct ownership, bringing her total derivative holdings to 80,000 options.
According to the vesting terms, one-fourth of the shares subject to the option will vest on February 24, 2027. The remaining shares will then vest in twelve substantially equal quarterly installments, as long as she continues to provide service through each vesting date.
Lerner Lorena Raquel reported acquisition or exercise transactions in this Form 4 filing.
Keros Therapeutics Chief Scientific Officer Lorena Raquel Lerner received a grant of 75,000 employee stock options on February 24, 2026. These options were awarded at no cost as part of her compensation and increase her directly held derivative securities to 75,000.
One-fourth of the option grant will vest on February 24, 2027, with the remaining options vesting in twelve substantially equal quarterly installments after that date, so long as she continues to provide services to the company through each vesting date.
Keros Therapeutics, Inc. appointed Charles Newton to its Board of Directors as a Class III director, effective March 9, 2026, with his term expiring at the 2026 annual meeting of stockholders. He will also serve on the Compensation and Audit Committees.
Newton will receive the company’s standard non-employee director compensation, including an initial stock option grant and an initial restricted stock unit award, each with a grant date fair value of $150,000, plus ongoing annual equity awards with grant date fair values of $75,000 each. He will also receive annual cash retainers totaling $57,000 for his Board and committee service and will enter into Keros’ standard indemnification agreement.
Carl Gordon, Ph.D., CFA, notified the Board of his resignation, effective March 9, 2026. The company states his resignation is not due to any disagreement regarding its operations, policies or practices. Keros concurrently updated the composition of its Audit, Compensation and Nominating and Corporate Governance Committees.
Keros Therapeutics chief executive officer Jasbir Seehra reported an open-market sale of 7,015 shares of common stock on February 19, 2026 at $16.17 per share. After this transaction, his directly held stake was 385,708 shares.
According to the disclosure, this was an automatic "sell-to-cover" transaction to satisfy tax withholding obligations triggered by the vesting of restricted stock units, and was not executed at his discretion.
Keros Therapeutics Chief Science Officer Lorena Raquel Lerner reported an automatic sale of 3,873 shares of common stock on February 18, 2026. The issuer has a “sell-to-cover” policy, so these shares were sold solely to cover tax withholding on vesting restricted stock units.
The open-market sale occurred at a weighted average price of $16.35 per share, with individual trades ranging from $16.05 to $16.65. After this tax-related transaction, Lerner directly held 31,127 shares of Keros Therapeutics common stock.
Keros Therapeutics SVP and General Counsel Esther Cho reported an automatic sale of 4,745 shares of common stock. The shares were sold in open-market transactions at a weighted average price of $16.35 per share, with individual trade prices ranging from $16.05 to $16.65.
According to the disclosure, Keros Therapeutics has a “sell-to-cover” policy for tax withholding, and these sales reflect shares sold to satisfy Ms. Cho’s tax obligations upon vesting of restricted stock units. The filing notes the sales were automatic and not at her discretion. After the transactions, she beneficially owned 39,755 shares, including 500 shares acquired under the company’s 2020 Employee Stock Purchase Plan.
Keros Therapeutics, Inc. chief financial officer Keith Regnante reported an automatic open-market sale of common stock tied to tax withholding on vested restricted stock units. He sold 4,739 shares on February 18, 2026 at a weighted average price of $16.35 per share, in multiple trades between $16.05 and $16.65. After these sell-to-cover transactions, he beneficially owns 39,261 shares of Keros Therapeutics common stock directly.
Keros Therapeutics, Inc. announced that President and CEO Jasbir S. Seehra will present at three upcoming healthcare investor conferences. He is scheduled for a corporate presentation at the Oppenheimer 36th Annual Healthcare Life Sciences Conference on February 25, 2026, a fireside chat at the TD Cowen 46th Annual Health Care Conference on March 3, 2026, and a fireside chat at the Leerink Partners Global Healthcare Conference on March 10, 2026, all in Eastern time. Webcast links are provided, and replays will be available in the Investors section of Keros’ website for up to 90 days after each event. Keros is a clinical-stage biopharmaceutical company developing protein therapeutics targeting dysfunctional signaling of the TGF-ß family of proteins, with lead candidates rinvatercept (KER-065) for Duchenne muscular dystrophy and amyotrophic lateral sclerosis, and elritercept for cytopenias in myelodysplastic syndrome and myelofibrosis.
Keros Therapeutics, Inc. received an updated ownership report from ExodusPoint-related entities. As of December 31, 2025, ExodusPoint Capital Management, LP, ExodusPoint Capital Partners GP, LLC, and Michael Gelband together may be deemed to beneficially own 13,360 shares of Keros common stock, representing approximately 0.04% of the outstanding shares.
The shares are held directly by ExodusPoint Partners Master Fund, LP, while ExodusPoint Capital Management has investment and voting power under an investment management agreement. ExodusPoint Capital Partners is the general partner of ExodusPoint Capital Management, and Gelband controls both entities. The filers certify that the securities are not held to change or influence control of Keros.