Lucchino David L.

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
11 Jun 24	KRRO Korro Bio	Stock Option Common Stock	Grant	Acquire A	No	No	42.19	5,190	218.97 k	5,190
22 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	38.8195	202	7.84 k	22,150
22 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	37.9844	614	23.32 k	22,352
22 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	36.7391	230	8.45 k	22,966
22 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	35.9873	110	3.96 k	23,196
10 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	46.225	34	1.57 k	23,306
10 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	45.5281	67	3.05 k	23,340
10 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	44.0134	191	8.41 k	23,407
10 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	43.172	225	9.71 k	23,598
10 Nov 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	No	41.9427	41	1.72 k	23,823

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.