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Insider Trading & Ownership of James Bylund

Location
Waltham, MA
Summary
The estimated net worth of James Bylund is at least $3.25M dollars as of November 19, 2025. James Bylund is the Chief Operating Officer of REPLIGEN CORP and owns shares of REPLIGEN CORP (RGEN) stock worth about $3.25M.
Signature
/s/ Jennifer Carmichael (Attorney in Fact)
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Ownership of James Bylund

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
RGEN REPLIGEN CORP Chief Operating Officer $3.25M -$331K -9.24% Nov 18, 2025

Insider Transactions Reported by James Bylund:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.