CIK 0001703647 · Non-accelerated filer<br>Smaller reporting company
Korro Bio, Inc.
Sign in to watch- Ticker
- KRRO
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 472324450
- Phone
- 617-468-1999
- Business address
- 60 FIRST STREET, 2ND FLOOR, SUITE 250, CAMBRIDGE, MA, 02141
- Former names
- Frequency Therapeutics, Inc.
- Open-market buys, last 90 days
- $884,752
- in 1 filing
- Open-market sales, last 90 days
- $2,161,962
- in 6 filings, $2.2M under 10b5-1 plans
Net −$1,277,210. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-19 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −4,884 | $14.00 | $68K | 141,053 |
| 2026-08-11 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −1,775 | $13.96 | $25K | 704,781 |
| 2026-08-11 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −368 | $13.96 | $5K | 145,937 |
| 2026-08-10 | Lynx1 Capital Management LP 10% owner | Purchase | +1,462 | $13.19 | $19K | 1,544,980 |
| 2026-08-06 | Lynx1 Capital Management LP 10% owner | Purchase | +5,222 | $11.40 | $60K | 1,543,518 |
| 2026-08-04 | Aiyar Ram President and CEO | Sale | −5,802 | $10.84 | $63K | 69,046 |
| 2026-07-15 | Vincent Loic A Chief Scientific Officer | Grant or award | +7,500 | 25,797 | ||
| 2026-07-15 | Dolan Oliver Senior Vice President, Finance | Grant or award | +5,500 | 23,599 | ||
| 2026-07-15 | Cerio Jeffrey General Counsel | Grant or award | +6,500 | 41,793 | ||
| 2026-07-15 | Chappell Todd Chief Operating Officer | Grant or award | +7,500 | 24,464 | ||
| 2026-07-06 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −817 | $13.96 | $11K | 706,556 |
| 2026-07-06 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −8,506 | $13.96 | $119K | 146,305 |
| 2026-07-02 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −85,955 | $14.03 | $1.2M | 707,373 |
| 2026-07-02 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −14,745 | $14.03 | $207K | 154,811 |
| 2026-06-24 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −40,679 | $14.60 | $594K | 793,994 |
| 2026-06-24 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −666 | $14.98 | $10K | 793,328 |
| 2026-06-24 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −6,979 | $14.60 | $102K | 169,670 |
| 2026-06-24 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −114 | $14.98 | $2K | 169,556 |
| 2026-06-23 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −101,579 | $14.25 | $1.4M | 834,673 |
| 2026-06-23 | FORMELA JEAN FRANCOIS Director | Sale 10b5-1 | −17,426 | $14.25 | $248K | 176,649 |
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