REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Nalls Sherbakoff Group, LLC's Holding History (CIK: 0001767500)

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

Q4 2023

Shares 16 Value ($000) $3 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 16 Value ($000) $3 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 16 Value ($000) $3 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 16 Value ($000) $3 Avg Close $178.42 Range $147.53 - $200.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	16	$3	$155.67	$110.45 - $188.31
Q3 2023	16	$3	$163.47	$134.64 - $181.26
Q2 2023	16	$3	$160.35	$135.37 - $182.42
Q1 2023	16	$3	$178.42	$147.53 - $200.98