Korro Bio, Inc. (KRRO) insider trading.
In Q3 2026, insiders at Korro Bio, Inc. reported 24 non-derivative transactions on 13 Forms 3, 4 and 5: 2 open-market purchases worth $79K and 18 sales worth $2.8M.
- Transactions
- 24
- Purchases (P)
- 2
- Sales (S)
- 18
- Net shares, P minus S
- -196,100
- Insiders
- 7
- Last filed
- 2026-09-15
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Formela Jean Francois | Director | 14 | 0 | 14 |
| Dolan Oliver | Officer · Senior Vice President, Finance | 4 | 0 | 3 |
| Lynx1 Capital Management LP / Nichols Weston | TenPercentOwner | 2 | 2 | 0 |
| Aiyar Ram | Director, Officer · President and CEO | 1 | 0 | 1 |
| Chappell Todd | Officer · Chief Operating Officer | 1 | 0 | 0 |
| Cerio Jeffrey | Officer · General Counsel | 1 | 0 | 0 |
| Vincent Loic A | Officer · Chief Scientific Officer | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-14 | Formela Jean Francois | S (D) | 31,888 | $14.12 | 640,610 | Form 4 |
| 2026-09-14 | Formela Jean Francois | S (D) | 6,602 | $14.12 | 132,650 | Form 4 |
| 2026-09-11 | Formela Jean Francois | S (D) | 1,750 | $13.99 | 139,252 | Form 4 |
| 2026-09-11 | Formela Jean Francois | S (D) | 8,450 | $13.99 | 672,498 | Form 4 |
| 2026-09-11 | Dolan Oliver | S (D) | 5 | $13.72 | 16,241 | Form 4 |
| 2026-09-09 | Dolan Oliver | S (D) | 6 | $13.6 | 16,246 | Form 4 |
| 2026-09-08 | Dolan Oliver | S (D) | 7,347 | $13.51 | 16,252 | Form 4 |
| 2026-08-26 | Formela Jean Francois | S (D) | 249 | $13.96 | 680,948 | Form 4 |
| 2026-08-26 | Formela Jean Francois | S (D) | 51 | $13.96 | 141,002 | Form 4 |
| 2026-08-19 | Formela Jean Francois | S (D) | 23,584 | $14 | 681,197 | Form 4 |
| 2026-08-19 | Formela Jean Francois | S (D) | 4,884 | $14 | 141,053 | Form 4 |
| 2026-08-11 | Formela Jean Francois | S (D) | 1,775 | $13.96 | 704,781 | Form 4 |
| 2026-08-11 | Formela Jean Francois | S (D) | 368 | $13.96 | 145,937 | Form 4 |
| 2026-08-10 | Lynx1 Capital Management LP / Nichols Weston | P (A) | 1,462 | $13.19 | 1,544,980 | Form 4 |
| 2026-08-06 | Lynx1 Capital Management LP / Nichols Weston | P (A) | 5,222 | $11.4 | 1,543,518 | Form 4 |
| 2026-08-04 | Aiyar Ram | S (D) | 5,802 | $10.84 | 69,046 | Form 4 |
| 2026-07-15 | Chappell Todd | A (A) | 7,500 | $0 | 24,464 | Form 4 |
| 2026-07-15 | Cerio Jeffrey | A (A) | 6,500 | $0 | 41,793 | Form 4 |
| 2026-07-15 | Dolan Oliver | A (A) | 5,500 | $0 | 23,599 | Form 4 |
| 2026-07-15 | Vincent Loic A | A (A) | 7,500 | $0 | 25,797 | Form 4 |
| 2026-07-06 | Formela Jean Francois | S (D) | 817 | $13.96 | 706,556 | Form 4 |
| 2026-07-06 | Formela Jean Francois | S (D) | 8,506 | $13.96 | 146,305 | Form 4 |
| 2026-07-02 | Formela Jean Francois | S (D) | 85,955 | $14.03 | 707,373 | Form 4 |
| 2026-07-02 | Formela Jean Francois | S (D) | 14,745 | $14.03 | 154,811 | Form 4 |
Transaction codes in this quarter
Get KRRO insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1703647&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · KRRO company page · Korro Bio, Inc. on SEC.gov
Questions
Are insiders buying or selling Korro Bio, Inc. (KRRO)?
In Q3 2026, insiders at Korro Bio, Inc. reported 24 non-derivative transactions on 13 Forms 3, 4 and 5: 2 open-market purchases worth $79K and 18 sales worth $2.8M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Korro Bio, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/krro.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.