REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

PIN OAK INVESTMENT ADVISORS INC's Holding History (CIK: 0001094584)

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

Q1 2021

Shares 75 Value ($000) $15 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 50 Value ($000) $10 Avg Close $181.94 Range $146.52 - $212.55

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	75	$15	$205.03	$173.09 - $228.84
Q4 2020	50	$10	$181.94	$146.52 - $212.55