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Filing Details

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
1310268	D Martin Madaus	C/O Repligen Corporation 41 Seyon St., Bldg 1, Ste 100 Waltham MA 02453		No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2024-06-14	915	$124.54	3,913	No	4	P	Direct
Common Stock	Acquisiton	2024-06-14	700	$125.46	4,613	No	4	P	Direct

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

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	11	Indirect	Spouse Trust

Footnotes

$124.54 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $124.25 to $125.21, 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 purchased at each separate purchase price within the range.
$125.46 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $125.25 to $125.58, 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 purchased at each separate purchase price within the range.
Held by a trust for which the Reporting Person is a trust advisor who shares voting and investment control.