A Karen Dawes

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Repligen Corp	RGEN	$113.58	2,677	Director	116,762	2020-06-18	Filing
Repligen Corp	RGEN	$140.29	182	Director	119,439	2020-05-20	Filing
Repligen Corp	RGEN	$139.40	282	Director	119,621	2020-05-20	Filing
Repligen Corp	RGEN	$136.98	43	Director	119,903	2020-05-20	Filing
Repligen Corp	RGEN	$135.91	10	Director	119,946	2020-05-20	Filing
Repligen Corp	RGEN	$142.45	80	Director	119,956	2020-05-18	Filing
Repligen Corp	RGEN	$141.45	77	Director	120,036	2020-05-18	Filing
Repligen Corp	RGEN	$140.62	180	Director	120,113	2020-05-18	Filing
Repligen Corp	RGEN	$139.32	122	Director	120,293	2020-05-18	Filing
Repligen Corp	RGEN	$138.60	269	Director	120,415	2020-05-18	Filing
Repligen Corp	RGEN	$136.92	160	Director	120,684	2020-05-18	Filing
Repligen Corp	RGEN	$135.76	712	Director	120,844	2020-05-18	Filing
Repligen Corp	RGEN	$104.42	8,998	Director	109,034	2020-04-20	Filing
Repligen Corp	RGEN	$104.98	3,202	Director	118,032	2020-04-20	Filing
Repligen Corp	RGEN	$142.45	80	Director	119,956	2020-05-18	Filing
Repligen Corp	RGEN	$141.45	77	Director	120,036	2020-05-18	Filing
Repligen Corp	RGEN	$140.62	180	Director	120,113	2020-05-18	Filing
Repligen Corp	RGEN	$139.32	122	Director	120,293	2020-05-18	Filing
Repligen Corp	RGEN	$138.60	269	Director	120,415	2020-05-18	Filing
Repligen Corp	RGEN	$136.92	160	Director	120,684	2020-05-18	Filing