KROS insider trading — Keros Therapeutics, Inc.
Over the last 90 days, insiders at Keros Therapeutics, Inc. (KROS) made 0 open-market purchases worth $0 and 3 open-market sales worth $95K, making them net sellers by $95K. The largest sale was by Cho Esther (Chief Legal Officer), who sold 4,485 shares for $46K on Aug 18, 2026.
Updated Oct 16, 2026.
Recent KROS insider transactions
Every Form 4 filed by Keros Therapeutics, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Cho Esther | Chief Legal Officer | S · Sale | Direct | 4,485 | $10.29 | $46K | Form 4 |
| Aug 18, 2026 | Tanini Annita | Corp. Controller & VP, Finance | S · Sale | Direct | 1,224 | $10.29 | $13K | Form 4 |
| Aug 18, 2026 | Newton Charles W. | Director | S · Sale · 10b5-1 | Direct | 551 | $10.30 | $6K | Form 4 |
| Aug 18, 2026 | Lerner Lorena Raquel | Chief Scientific Officer | S · Sale | Direct | 3,568 | $10.29 | $37K | Form 4 |
| Aug 17, 2026 | Bienaime Jean Jacques | Director | P · Purchase · 10b5-1 | Direct | 1,000 | $10.27 | $10K | Form 4 |
KROS insider trading FAQ
Are insiders buying KROS stock?
Not on the open market. In the last 90 days, Keros Therapeutics, Inc. insiders made no open-market purchases, and 3 open-market sales totaling $95K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading KROS?
Recent sellers: Cho Esther, Lerner Lorena Raquel, Tanini Annita.
Where does KROS insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.