CIK 0001664710 · Non-accelerated filer<br>Smaller reporting company
Keros Therapeutics, Inc.
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- KROS
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 811173868
- Phone
- 617-314-6297
- Business address
- 1050 WALTHAM STREET, SUITE 302, LEXINGTON, MA, 02421
- Open-market buys, last 90 days
- $10,270
- in 1 filing
- Open-market sales, last 90 days
- $101,136
- in 4 filings, $6K under 10b5-1 plans
Net −$90,866. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 78 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-06-03 | GRAY MARY ANN Director | Grant or award · Stock Option (right to buy) | +7,433 | 7,433 | ||
| 2026-06-03 | BIENAIME JEAN JACQUES Director | Grant or award | +7,142 | 16,592 | ||
| 2026-06-03 | BIENAIME JEAN JACQUES Director | Grant or award · Stock Option (right to buy) | +7,433 | 7,433 | ||
| 2026-05-15 | BIENAIME JEAN JACQUES Director | Purchase 10b5-1 | +1,000 | $10.58 | $11K | 9,450 |
| 2026-04-15 | BIENAIME JEAN JACQUES Director | Purchase 10b5-1 | +1,000 | $11.70 | $12K | 8,450 |
| 2026-04-02 | Seehra Jasbir CHIEF EXECUTIVE OFFICER | Option exercise | +55,000 | $0.30 | $17K | 440,708 |
| 2026-04-02 | Seehra Jasbir CHIEF EXECUTIVE OFFICER | Option exercise · Employee Stock Option (Right to Buy) | −55,000 | 197,444 | ||
| 2026-03-09 | Newton Charles W. Director | Grant or award | +13,215 | 13,215 | ||
| 2026-03-09 | Newton Charles W. Director | Grant or award · Stock Option (Right to Buy) | +14,788 | 14,788 | ||
| 2026-03-09 | BIENAIME JEAN JACQUES Director | Purchase 10b5-1 | +2,000 | $11.21 | $22K | 7,450 |
| 2026-02-24 | Cho Esther Chief Legal Officer | Grant or award · Employee Stock Option (Right to Buy) | +80,000 | 80,000 | ||
| 2026-02-24 | Cho Esther Chief Legal Officer | Grant or award · Employee Stock Option (Right to Buy) | +80,000 | 80,000 | ||
| 2026-02-24 | Lerner Lorena Raquel Chief Scientific Officer | Grant or award · Employee Stock Option (Right to Buy) | +75,000 | 75,000 | ||
| 2026-02-24 | Seehra Jasbir CHIEF EXECUTIVE OFFICER | Grant or award · Employee Stock Option (Right to Buy) | +217,000 | 217,000 | ||
| 2026-02-24 | Seehra Jasbir CHIEF EXECUTIVE OFFICER | Grant or award · Employee Stock Option (right to buy) | +100,000 | 100,000 | ||
| 2026-02-24 | Regnante Keith CHIEF FINANCIAL OFFICER | Grant or award · Employee Stock Option (Right to Buy) | +60,000 | 60,000 | ||
| 2026-02-19 | Seehra Jasbir CHIEF EXECUTIVE OFFICER | Sale | −7,015 | $16.17 | $113K | 385,708 |
| 2026-02-18 | Cho Esther SVP, General Counsel | Sale | −4,745 | $16.35 | $78K | 39,755 |
| 2026-02-18 | Lerner Lorena Raquel Chief Science Officer | Sale | −3,873 | $16.35 | $63K | 31,127 |
| 2026-02-18 | Regnante Keith CHIEF FINANCIAL OFFICER | Sale | −4,739 | $16.35 | $77K | 39,261 |
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