REPLIGEN CORP — Director's Dealing 2021

Jul 23, 2021

SEC Form 4/A — Form 4/A

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2021-07-13

Reporting Person: DAWES KAREN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-13	Common Stock	M	2929	$41.19	Acquired	118982	Direct
2021-07-13	Common Stock	S	441	$201.27	Disposed	118541	Direct
2021-07-13	Common Stock	S	630	$202.29	Disposed	117911	Direct
2021-07-13	Common Stock	S	444	$203.09	Disposed	117467	Direct
2021-07-13	Common Stock	S	5	$204.02	Disposed	117462	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-13	Stock Option (Right to Buy)	$41.19	M	2929	Acquired	2025-07-21	Common Stock (2929)	Direct

Footnotes

F1: Sale of common stock was effected pursuant to a 10(b)5-1 trading plan adopted on June 8, 2021.

F2: $201.27 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.77 to $201.67, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F3: $202.29 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.77 to $202.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F4: $203.09 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.86 to $203.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F5: $204.02 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.01 to $204.07, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F6: This option is fully vested and exercisable.