Repligen Corporation (RGEN) Insider Trading

Over the last 3 months, RGEN insiders made 0 open-market buys and 2 sales, a net sale of -$186K (SEC Form 4). Over the last 6 months, 341 institutions increased and 286 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$185.8K
Insider trades by month Buys Sells
Sep
Nov
Dec
Apr
Jun
Jul
Context3-month price +21.1%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Jul 17, 2026Garland Jason Kofficer: CFOSell530$150.00
Jun 26, 2026Garland Jason Kofficer: CFOSell733$145.00
May 18, 2026Mhatre RohindirectorGrant995
May 18, 2026Konstantinov KonstantindirectorGrant995
May 18, 2026Pax MargaretdirectorGrant2,239$103.38
May 18, 2026EGLINTON MANNER CARRIEdirectorGrant995
May 18, 2026MUIR GLENN PdirectorGrant2,239$103.38
May 18, 2026MUIR GLENN PdirectorGrant995
May 18, 2026BARTHELEMY NICOLASdirectorGrant2,239$103.38
May 18, 2026BARTHELEMY NICOLASdirectorGrant995
May 18, 2026Madaus Martin DdirectorGrant995
May 18, 2026EGLINTON MANNER CARRIEdirectorGrant2,239$103.38
May 18, 2026Mhatre RohindirectorGrant2,239$103.38
May 18, 2026Pax MargaretdirectorGrant995
May 18, 2026Madaus Martin DdirectorGrant2,239$103.38
May 18, 2026DAWES KAREN AdirectorGrant995
May 18, 2026DAWES KAREN AdirectorGrant2,239$103.38
May 18, 2026Konstantinov KonstantindirectorGrant2,239$103.38
May 8, 2026MUIR GLENN PdirectorOption2,434$38.76
May 8, 2026Douglass Brian Robbofficer: CHIEF PRODUCT OFFICERTax334$126.43
Apr 22, 2026Loeillot Olivierdirector, officer: Chief Executive OfficerSell3,832$140.00
Mar 23, 2026Bylund Jamesofficer: Chief Operating OfficerGrant7,751
Mar 23, 2026Garland Jason Kofficer: CFOGrant8,315$141.91
Mar 23, 2026Loeillot Olivierofficer: Chief Executive OfficerGrant25,890$141.91
Mar 23, 2026Loeillot Olivierofficer: Chief Executive OfficerGrant24,134
Mar 23, 2026Garland Jason Kofficer: CFOGrant7,751
Mar 23, 2026KURIYEL RALFofficer: Senior VP, R&DGrant5,669$141.91
Mar 23, 2026Bylund Jamesofficer: Chief Operating OfficerGrant8,315$141.91
Mar 23, 2026KURIYEL RALFofficer: Senior VP, R&DGrant5,284
Mar 5, 2026Bylund Jamesofficer: Chief Operating OfficerTax62$125.84

Source: RGEN SEC Form 4 filings, latest Jul 17, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their RGEN positions over the last 6 months (SEC Form 13F).

Increased
341
New positions
159
Reduced
286
Sold out
142
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased6.6MFeb 12, 2026
BLACKROCK, INC.Reduced6.0MMay 13, 2026
VANGUARD GROUP INCReduced5.0MJan 29, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased4.9MMay 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased4.6MFeb 17, 2026
FMR LLCIncreased2.9MMay 15, 2026
FMR LLCIncreased2.9MFeb 17, 2026
UNITED CAPITAL FINANCIAL ADVISERS, LLCIncreased2.8MMay 15, 2026
UNITED CAPITAL FINANCIAL ADVISERS, LLCIncreased2.8MFeb 17, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.4MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position2.3MMay 8, 2026
STATE STREET CORPIncreased1.8MMay 15, 2026
STATE STREET CORPReduced1.7MFeb 13, 2026
WASATCH ADVISORS LPIncreased1.6MJul 10, 2026
BANK OF NEW YORK MELLON CORPIncreased1.5MMay 5, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.