Form 4 for KRRO Korro Bio, Inc.
Accepted 2026-08-05 16:05:09 ET · period of report 2026-08-04 · accession 0001193125-26-335041 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-05 16:05 | 2026-08-04 | KRRO | Aiyar Ram | Pres, CEO, Dir | S - Sale | $10.84 | -5,802 | 69.0K | -8% | -$62.9K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-04 | S | D | 5,802 | $10.84 | 69,046 | D | — | — | (F1) Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan). (F2) The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.57 to $11.055, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request. (F3) Includes 20,000 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on February 1, 2027 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date. |