| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Keros Therapeutics, Inc. (KROS) has 13 insiders with recent SEC Form 4 filings, including 6 buys and 19 sells. KROS is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 759.2K | $8.84M | - | |
| Dir | 759.2K | $8.84M | - | |
| Dir | 150.0K | $1.75M | - | |
| CEO | 62.5K | $727.5K | - | |
| Dir | 14.8K | $172.1K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | Bienaime Jean Jacques68 | Director | Buy | 2,000 | $11.21 | $22,420.00 | +36.7% | - | - | |
| Oct 15, 2025 | Adar1 Capital Management, LLC73 | 10% Owner | Sell | 5,389,264 | $17.75 | $95,659,436.00 | -100% | +34.6% | - | |
| Oct 15, 2025 | Pontifax Management 4 G.P. (2015) Ltd. | 10% Owner | Sell | 4,787,331 | $17.75 | $84,975,125.25 | -100% | +34.6% | - | |
| Apr 9, 2025 | Adar1 Capital Management, LLC73 | 10% Owner | Buy | 934,258 | $10.13 | $9,464,512.25 | +5.9% | +34.7% | +20.9% | |
| Aug 13, 2024 | Orbimed Advisors LLC67 | Director | Sell | 250,000 | $44.01 | $11,002,500.00 | -19.7% | +52.7% | -68.7% | |
| Aug 13, 2024 | Gordon Carl L74 | Director | Sell | 250,000 | $44.01 | $11,002,500.00 | -19.7% | +52.7% | -68.7% | |
| Nov 4, 2023 | Regnante Keith | Chief Financial Officer | Sale+OE | 40,000 | $45.29 | $1,811,600.00 | -100% | +66.0% | +87.7% | |
| Jun 9, 2023 | Regnante Keith | Chief Financial Officer | Sale+OE | 40,000 | $46.61 | $1,864,239.43 | -81.2% | -18.5% | +10.9% | |
| Jul 15, 2022 | Lachey Jennifer69 | Chief Scientific Officer | Sale+OE | 46,034 | $30.00 | $1,381,020.00 | -32.6% | +50.1% | +33.0% | |
| Jul 13, 2022 | Lachey Jennifer69 | Chief Scientific Officer | Sale+OE | 1,916 | $30.00 | $57,480.00 | -2.0% | +41.6% | +34.7% |