// company-profile
Repligen Corp
RGENExchangeNasdaqSectorBiological Products, (No Diagnostic Substances)Inc.DEFilings133Insiders17
// api This Repligen Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Repligen Corp insiders bought $94K (18 transactions) and sold $579K (2 transactions).
- Most active insider: MUIR GLENN P with 4 transactions totaling $94K.
- Largest single sale: $536K by Loeillot Olivier on Apr 21, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Repligen Corp as of 2026-03-31
Total reported AUM
$6.62B
QoQ change
-18.7%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$381.6M
3.2M shares
#2
UNITED CAPITAL FINANCIAL ADVISORS, LLC
CIK 1463217
$326.8M
2.8M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$282.4M
2.4M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 14, 2026 | Konstantinov Konstantin | RGEN | Award | 995 | $0.00 | $0K |
| May 14, 2026 | DAWES KAREN A | RGEN | Award | 2,239 | $0.00 | $0K |
| May 14, 2026 | Pax Margaret | RGEN | Award | 2,239 | $0.00 | $0K |
| May 14, 2026 | Madaus Martin D | RGEN | Award | 995 | $0.00 | $0K |
| May 14, 2026 | BARTHELEMY NICOLAS | RGEN | Award | 2,239 | $0.00 | $0K |
45 more transactions hidden
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