Atlas Venture Fund X

Date	Owner	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
13 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	Yes	Yes	42.84	1,386	59.38 k	828,830
13 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	Yes	Yes	42.19	22,779	961.05 k	830,216
13 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	No	Yes	42.84	6,686	286.43 k	4,676,075
13 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	No	Yes	42.19	108,404	4.57 mm	4,682,761
12 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	Yes	Yes	42.52	1,819	77.34 k	852,995
12 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	Yes	Yes	41.94	26,452	1.11 mm	854,814
12 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	No	Yes	42.52	8,581	364.86 k	4,791,165
12 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	No	Yes	41.94	126,066	5.29 mm	4,799,746
11 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	Yes	Yes	43.42	1,045	45.37 k	881,266
11 Mar 24	Atlas Venture Fund X	Common Stock	Sell	Dispose S	Yes	Yes	42.77	7,837	335.19 k	882,311

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