Korro Bio, Inc. (KRRO) has 13 SEC Form 4 insider filings on record in the last 90 days. That includes 1 insider purchase totalling $79K, and 8 sales totalling $5.2M. Most recent filing: Sept. 15, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 15, 2026 filed Sept. 11, 2026 | FORMELA JEAN FRANCOIS Director | −$686,177 | 48,690 | −27% | Yes | |
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| Sept. 14, 2026 filed Sept. 11, 2026 | Dolan Oliver Senior Vice President, Finance | −$69 | 5 | −0% | Yes | |
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| Aug. 28, 2026 filed Aug. 26, 2026 | FORMELA JEAN FRANCOIS Director | −$4,188 | 300 | −0% | Yes | |
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| Aug. 21, 2026 filed Aug. 19, 2026 | FORMELA JEAN FRANCOIS Director | −$398,552 | 28,468 | −17% | Yes | |
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| Aug. 13, 2026 filed Aug. 11, 2026 | FORMELA JEAN FRANCOIS Director | −$29,916 | 2,143 | −1% | Yes | |
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Showing the 5 most recent of 13 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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