REPLIGEN CORP — Director's Dealing 2021

Mar 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2021-03-12

Reporting Person: Hunt Anthony (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-12	Common Stock	S	914	$188.06	Disposed	220950	Direct
2021-03-12	Common Stock	S	1171	$188.77	Disposed	219779	Direct
2021-03-12	Common Stock	S	4096	$190.17	Disposed	215683	Direct
2021-03-12	Common Stock	S	1081	$191.19	Disposed	214602	Direct
2021-03-12	Common Stock	S	1378	$192.17	Disposed	213224	Direct
2021-03-12	Common Stock	S	227	$193.30	Disposed	212997	Direct
2021-03-12	Common Stock	S	235	$194.08	Disposed	212762	Direct

Footnotes

F1: Sale of common stock was effected pursuant to a 10(b)5-1 trading plan adopted on December 9, 2020.

F2: $188.06 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.53 to $188.47, 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: $188.77 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.55 to $189.34, 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: $190.17 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.59 to $190.53, 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: $191.19 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.64 to $191.57, 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: $192.17 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.67 to $192.65, 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.

F7: $193.30 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.78 to $193.76, 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.

F8: $194.08 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.92 to $194.09, 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.