InsiderTrades

Form 4/A for KRRO Korro Bio, Inc.

Accepted 2023-07-12 00:00:00 ET · period of report 2023-07-04 · accession 0000950170-23-032732 · 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
DAT 2023-07-12 2023-07-04 KRRO Mitrano Richard J. VP Fin, Ops M - OptEx — +25.0K 56.0K +81% —
DAT 2023-07-12 2023-07-06 KRRO Mitrano Richard J. VP Fin, Ops S - Sale+OE $0.35 -224 55.8K -0.4% -$78.40
DAT 2023-07-12 2023-07-04 KRRO Mitrano Richard J. VP Fin, Ops M - OptEx — -25.0K 0 -100% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-07-04 M A 25,000 — 55,995 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
2 Common Common Stock 2023-07-06 S D 224 $0.35 55,771 D — — (F2) Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person.
3 Derivative Restricted Stock Unit 2023-07-04 M D 25,000 — 0 D — · — to — 25,000 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F3) The Restricted Stock Units vested on July 4, 2023 and do not have an expiration date.