Olivier Loeillot

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
27 Feb 25	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	156.54	343	53.69 k	32,213
20 Nov 24	RGEN Repligen	Common Stock	Payment of exercise	Dispose F	No	No	123.41	861	106.26 k	32,556
3 Sep 24	RGEN Repligen	Common Stock	Grant	Acquire A	No	No	0	17,631	0.00	33,417
3 Sep 24	RGEN Repligen	Stock Option Common Stock	Grant	Acquire A	No	No	141.79	16,278	2.31 mm	16,278
27 Feb 24	RGEN Repligen	Common Stock	Grant	Acquire A	No	No	0	2,880	0.00	15,786
27 Feb 24	RGEN Repligen	Stock Option Common Stock	Grant	Acquire A	No	No	192.71	2,860	551.15 k	2,860

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