🕵️ Repligen Corp ($RGEN)

SEC insider & ownership activity, last 12 months · CIK 730272 · every row links its SEC filing

Over the last 12 months insiders sold $12.8M against $202K of open-market buying. Hunt Anthony sold $10.5M (Sep–Nov). T. ROWE Price Associates, Inc. added 6.1% → 8.2%. No red-flag 8-Ks in the window.

🚨 1 signal active — planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Aug 2025: net +$202K Sep 2025: net -$3.5M Oct 2025: net +$0 Nov 2025: net -$8.5M Dec 2025: net -$44K Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net -$536K May 2026: net +$0 Jun 2026: net -$106K Jul 2026: net -$80K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

1 buyer, $202K (1 lots) · 5 sellers, $12.8M (24 lots)

InsiderBuysBoughtSellsSoldLast
Hunt Anthony0 18$10.5MNov 13, 2025
Loeillot Olivier0 2$1.7MApr 21, 2026
Bylund James0 1$331KNov 18, 2025
Martin D. Madaus1$202K 0Aug 8, 2025
Jason K. Garland0 2$186KJul 16, 2026
Karen A. Dawes0 1$44KDec 17, 2025

5%+ holders

HolderStakeClassScheduleEvent
Blackrock, Inc. 9.3% 13GApr 24, 2025 filing ↗
T. ROWE Price Associates, Inc. 8.2% 13GFeb 17, 2026 filing ↗
FMR LLC 5.1% 13GFeb 5, 2026 filing ↗
Abigail P. Johnson 5.1% 13GFeb 5, 2026 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Jason K. Garland$80KJul 16, 2026 filing ↗
Jason K. Garland$106KJun 25, 2026 filing ↗
Loeillot Olivier$536KApr 21, 2026 filing ↗
Karen A. Dawes$44KDec 17, 2025 filing ↗
Loeillot Olivier$1.2MNov 25, 2025 filing ↗
Bylund James$331KNov 18, 2025 filing ↗
Hunt Anthony$3.1MNov 13, 2025 filing ↗
Hunt Anthony$3.9MNov 12, 2025 filing ↗
Hunt Anthony$3.5MSep 10, 2025 filing ↗

Material events (8-K)

ItemEvent date
Earnings (2.02)Jul 28, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jul 28, 2026 filing ↗
Material agreement (1.01)Jul 21, 2026 filing ↗
Earnings (2.02)Jul 21, 2026 filing ↗
Reg FD disclosure (7.01)Jul 21, 2026 filing ↗
Other events (8.01)Jul 21, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jul 21, 2026 filing ↗
Shareholder vote (5.07)May 14, 2026 filing ↗
Earnings (2.02)May 5, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 5, 2026 filing ↗
Earnings (2.02)Feb 24, 2026 filing ↗
Financial Statements and Exhibits (9.01)Feb 24, 2026 filing ↗
Officer/director changes (5.02)Jan 6, 2026 filing ↗
Reg FD disclosure (7.01)Jan 6, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jan 6, 2026 filing ↗
Earnings (2.02)Oct 28, 2025 filing ↗
Financial Statements and Exhibits (9.01)Oct 28, 2025 filing ↗
Officer/director changes (5.02)Sep 1, 2025 filing ↗
Financial Statements and Exhibits (9.01)Sep 1, 2025 filing ↗