Christine Gebski

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
14 May 24	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	163.34	334	54.56 k	27,419
7 Mar 24	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	195.72	386	75.55 k	27,753
4 Mar 24	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	193.99	131	25.41 k	28,139
4 Mar 24	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	192.71	461	88.84 k	28,270
1 Mar 24	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	191.79	447	85.73 k	28,731
29 Feb 24	RGEN Repligen	Common Stock	Grant	Acquire A	No	No	0	391	0.00	29,178
10 Nov 23	RGEN Repligen	Common Stock	Sell	Dispose S	No	No	147.13	3,788	557.33 k	28,787

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