Martin D. Madaus - Director at REPLIGEN CORP

Issuer-level insider activity

Role: Director
Issuer symbol: RGEN on Nasdaq
Entity type: Individual
SEC filing history: Open SEC filing history

Past-year transaction volume for Martin D. Madaus in REPLIGEN CORP

Buys

Open market

Shares: +1,800
Avg price: $112.13
Total value: +$201,830

Sells

Open market

Shares
Avg price
Total value

Net

Past year

Shares: +1,800
Share %: 100%
Total value: +$201,830

Reported holdings for Martin D. Madaus in REPLIGEN CORP

Form 4 holding Director

REPLIGEN CORP

Security class: Common Stock
Shares / value: 6,581
Estimated value: $775,373
Report date: 14 May 2026
Price: $117.82
Ownership: Direct

Form 4 holding Director

REPLIGEN CORP

Security class: Common Stock
Shares / value: 1,800
Estimated value: $212,076
Report date: 14 May 2026
Price: $117.82
Ownership: By Martin D. Madaus 2011 Revocable Trust

Form 4 holding Director

REPLIGEN CORP

Security class: Common Stock
Shares / value: 11
Estimated value: $1,296
Report date: 14 May 2026
Price: $117.82
Ownership: Spouse Trust

Form 4 holding Director

REPLIGEN CORP

Security class: Stock Option (Right to Buy)
Shares / value: 2,239
Estimated value
Report date: 14 May 2026
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Transaction history for Martin D. Madaus in REPLIGEN CORP

Sym	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares after	Date	Ownership

^* marks a reported price that did not pass the local price check.

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