Jean Francois Formela sold $30k of KRRO
director at Korro Bio, Inc.. 2,143 shares at an average of $13.96, traded Aug 11, 2026, filed Aug 13, 2026.
Score components
- +15RoleDirector
- +5Trade size$30k at market
- 0Share of holdings soldSold 0.3% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001030575-26-000008, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -1,775 | $13.96 | $25k | 704,781 | Aug 13, 2026 |
| Aug 11, 2026 | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -368 | $13.96 | $5,137 | 145,937 | Aug 13, 2026 |
Related signals
Other insiders at Korro Bio, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 24Weak | Korro Bio, Inc. | Jean Francois Formela director | $686k 48,690 shares | -7% | |
| 3Weak | Korro Bio, Inc. | Oliver Dolan Senior Vice President, Finance | $69 5 shares | -0% | |
| 23Weak | Korro Bio, Inc. | Oliver Dolan Senior Vice President, Finance | $99k 7,353 shares | -31% | |
| 3Weak | Korro Bio, Inc. | Jean Francois Formela director | $4,188 300 shares | -0% | |
| 11Weak | Korro Bio, Inc. | Jean Francois Formela director | $399k 28,468 shares | -4% | |
| 24Weak | KRRObuy Korro Bio, Inc. | Lynx1 Capital Management LP owner | $79k 6,684 shares | +0% | |
| 41Moderate | Korro Bio, Inc. | Ram Aiyar President and CEO | $63k 5,802 shares | -8% | |
| 25Weak | Korro Bio, Inc. | Jean Francois Formela director | $1.5M 110,023 shares | -14% | |
| 40Moderate | Korro Bio, Inc. | Jean Francois Formela director | $2.5M 171,405 shares | -18% | |
| 43Moderate | Korro Bio, Inc. | Jeffrey Cerio General Counsel | $72k 6,609 shares | -16% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.