REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021

Shares 800 Value ($000) $212 Avg Close $269.41 Range $243.29 - $306.98

Q3 2018

Shares 150 Value ($000) $8 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 50 Value ($000) $2 Avg Close $41.16 Range $34.61 - $47.87

Q3 2014

Shares 1,750 Value ($000) $35 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 1,750 Value ($000) $40 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 1,750 Value ($000) $23 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 17,750 Value ($000) $242 Avg Close $11.94 Range $9.89 - $14.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	800	$212	$269.41	$243.29 - $306.98
Q3 2018	150	$8	$51.54	$45.00 - $58.99
Q2 2018	50	$2	$41.16	$34.61 - $47.87
Q3 2014	1,750	$35	$21.05	$18.23 - $24.68
Q2 2014	1,750	$40	$17.80	$12.60 - $23.14
Q1 2014	1,750	$23	$14.34	$11.70 - $17.26
Q4 2013	17,750	$242	$11.94	$9.89 - $14.05