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RGEN · Repligen Corp
> Ask across nine datasets ⌘K
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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RGEN

REPLIGEN CORP
PHARMA & BIOTECH · BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES) · CIK 0000730272
CONGRESS · 1FORM 144 · 3☆ WATCH
INSIDER NET · 180D
-$1.7M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
1
FUNDS ADDED · QTR
274
13F, latest reported quarter
REVENUE GROWTH
+16.4%
XBRL, annual
NET MARGIN
6.6%
CONVERSIONS · 180D
2
codes C/M, not in net · $863.7K priced
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$1.7M over 180 days
-$1.2M over 90 days
below 65% of Pharma & Biotech
CONGRESS
1 member bought in the last year
the lowest in Pharma & Biotech
FUNDS
274 funds added or opened last quarter
more than 92% of Pharma & Biotech
REVENUE
+16.4% year over year
more than 65% of Pharma & Biotech
MARGIN
6.6% net margin
more than 75% of Pharma & Biotech
BUYBACKS
no share repurchases reported
SHORT
no short interest reported
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
3 insiders have filed intent to sell ($1.2M) and have not sold yet.
274 funds added or opened positions in the latest 13F quarter, of 486 holders.
1 member of Congress reported buying it this year.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +43.3%
+43.3%12M
-15%+7%+29%+51%2025-092025-102025-122026-032026-052026-072026-09 2025-09-10 · Hunt Anthony sold $1.8M2025-11-12 · Hunt Anthony sold $1.8M2025-11-25 · Loeillot Olivier sold $1.2M2026-08-20 · Loeillot Olivier sold $976.7K2025-09-10 · Hunt Anthony sold $920.8K2025-11-13 · Hunt Anthony sold $896.2K2025-11-12 · Hunt Anthony sold $776.8K2025-11-12 · Hunt Anthony sold $738.7K2025-11-12 · Hunt Anthony sold $579.6K2026-04-21 · Loeillot Olivier sold $536.5K2025-11-13 · Hunt Anthony sold $466.3K2025-11-13 · Hunt Anthony sold $447.6K2025-09-10 · Hunt Anthony sold $390.3K2025-11-13 · Hunt Anthony sold $385.8K2025-11-18 · Bylund James sold $331.3K2025-11-13 · Hunt Anthony sold $319.6K2025-11-13 · Hunt Anthony sold $307.3K2025-11-13 · Hunt Anthony sold $269.4K2025-09-10 · Hunt Anthony sold $266.3K2025-09-10 · Hunt Anthony sold $131.1K2026-06-25 · Garland Jason K sold $106.3K2026-07-16 · Garland Jason K sold $79.5K2025-11-12 · Hunt Anthony sold $73.5K2025-12-17 · DAWES KAREN A sold $44.3K2025-09-10 · Hunt Anthony sold $11.2K2026-08-20 · Loeillot Olivier filed to sell $976.7K2026-07-16 · Garland Jason K filed to sell $79.5K2026-06-25 · Garland Jason K filed to sell $106.3K
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $1.7M sold by insiders over 180 days, 274 funds added last quarter, 1 Congress member(s) bought in 12 months, $1.2M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
UTHRCPIXMRNAREGNLLYALNYELFCITRMDGLDNAVRTXNUVL
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, REPLIGEN CORP insiders sold a net $1.7M of stock across 165 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Loeillot Olivier
Chief Executive Officer
SELL
2026-08-20
5,426.0
$976.7K
Garland Jason K
CFO
SELL
2026-07-16
530.0
$79.5K
Garland Jason K
CFO
SELL
2026-06-25
733.0
$106.3K
Loeillot Olivier
Chief Executive Officer
SELL
2026-04-21
3,832.0
$536.5K
DAWES KAREN A
Director
SELL
2025-12-17
275.0
$44.3K
165 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 160 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
5,384,938.0 sh
$734.7M
FMR LLC
3,326,690.0 sh
$453.9M
UNITED CAPITAL FINANCIAL ADVISORS, LLC
2,790,650.0 sh
$380.8M
VANGUARD CAPITAL MANAGEMENT LLC
2,411,171.0 sh
$329.0M
VANGUARD PORTFOLIO MANAGEMENT LLC
2,312,825.0 sh
$315.6M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
Loeillot Olivier
FILED 2026-08-20
$976.7K
Garland Jason K
FILED 2026-07-16
$79.5K
Garland Jason K
FILED 2026-06-25
$106.3K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Brown Capital Management Small Company Fund
$14.3M POSITION · AS OF 2026-03-31
4.4%
BNY Mellon Small/Mid Cap Growth Fund
$25.0M POSITION · AS OF 2026-03-31
3.3%
ALGER SMALL CAP FOCUS FUND
$25.1M POSITION · AS OF 2026-04-30
3.2%
Geneva SMID Cap Growth Fund
$1.4M POSITION · AS OF 2026-02-28
3.1%
ABSOLUTE FLEXIBLE FUND
$977.0K POSITION · AS OF 2026-03-31
3.0%
DF DENT SMALL CAP GROWTH FUND
$4.4M POSITION · AS OF 2026-03-31
3.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2025
$6.1M
$8.7M
$2.5M
-14%
+25%
2023
$7.9M
$8.2M
$2.8M
+94%
+15%
2022
$7.7M
-$14.0M
$2.0M
+83%
+11%
2021
$7.8M
$28.8M
$1.9M
+186%
+25%
2020
$5.1M
$36.6M
$1.7M
+107%
+26%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$738.3M$634.4M$632.4M$801.5M
OPERATING INCOME$55.2M$-35.1M$47.7M$224.7M
NET INCOME$48.9M$-25.5M$35.6M$186.0M
EPS (DILUTED)0.86-0.460.633.24
OPERATING CASH FLOW$117.4M$175.4M$113.9M$172.1M
CASH$566.0M$757.4M$751.3M$523.5M
LONG-TERM DEBT$542.2M$525.6M——
BUYBACKS$0$0$14.4M$0
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →