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Filing Details

Accession Number:: 0000950170-25-073387
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2025-05-16 15:02:50
Reporting Period:: 2025-05-15

Filing Date:: 2025-05-16
Accepted Time:: 2025-05-16 15:02:50
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
730272	Repligen Corp	RGEN	Biological Products, (No Disgnostic Substances) (2836)	042729386

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1606030	Anthony Hunt	C/O Repligen Corporation 41 Seyon St., Bldg 1, Ste 100 Waltham MA 02453		No	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2025-05-15	2,043	$122.66	134,258	No	4	S	Direct
Common Stock	Disposition	2025-05-15	17,596	$123.57	116,662	No	4	S	Direct
Common Stock	Disposition	2025-05-15	6,533	$124.34	110,129	No	4	S	Direct
Common Stock	Disposition	2025-05-15	268	$125.20	109,861	No	4	S	Direct
Common Stock	Disposition	2025-05-15	7	$127.00	109,854	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Footnotes

Sale of common stock was effected pursuant to a 10(b)5-1 trading plan adopted on December 9, 2024.
$122.66 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.03 to $123.03, 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.
$123.57 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.04 to $124.04, 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.
$124.34 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.05 to $125.05, 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.
$125.20 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.06 to $126.00, 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.