Form 4 for KRRO Korro Bio, Inc.

Accepted 2023-07-27 00:00:00 ET · period of report 2023-07-25 · accession 0000950170-23-035157 · 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
MT	2023-07-27	2023-07-25+	KRRO	Lucchino David L.	Pres, CEO, Dir	S - Sale	$0.5096	-5,412	686.1K	-0.8%	-$2,758

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2023-07-26	S	D	2,609	$0.52	683,521	D	—	—	(F1) 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. (F3) This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.511 to $0.546. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price.
2	Common	Common Stock	2023-07-25	S	D	2,803	$0.5	686,130	D	—	—	(F1) 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. (F2) This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.491 to $0.512. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price.