Insider · CIK 0001030575
Jean Francois Formela
director
Files at KRRO (Korro Bio, Inc.). First filing Sep 15, 2026, latest Sep 15, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $686k sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
KRRO: Korro Bio, Inc.
KRROOct 9, 2026 · close 10.16
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 24Weak | Korro Bio, Inc. | $686k 48,690 shares | -7% | +162% from low-73% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | KRRO Korro Bio, Inc. | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -8,450 | $13.99 | $118k | 672,498 | 27 d ago |
| Sep 11, 2026 | KRRO Korro Bio, Inc. | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -1,750 | $13.99 | $24k | 139,252 | 27 d ago |
| Sep 14, 2026 | KRRO Korro Bio, Inc. | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -31,888 | $14.12 | $450k | 640,610 | 27 d ago |
| Sep 14, 2026 | KRRO Korro Bio, Inc. | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -6,602 | $14.12 | $93k | 132,650 | 27 d ago |
| Jun 11, 2025 | KRRO Korro Bio, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +6,010 | $0.00 | $0 | 6,010 | Jun 12, 2025 |
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.