Skip to content

Insider · CIK 0001995525

Olivier Loeillot

ceoofficerdirector

Files at RGEN (REPLIGEN CORP). First filing Nov 26, 2025, latest Oct 6, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 5
$0 bought, $6.2M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

RGEN: REPLIGEN CORP

RGENOct 9, 2026 · close 173.88

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
20Weak
RGENsell10b5-1
REPLIGEN CORP
$1.0M
5,535 shares
-12%+84% from low-3% from high
20Weak
RGENsell10b5-1
REPLIGEN CORP
$2.5M
12,946 shares
-23%+85% from low0% from high
20Weak
RGENsell10b5-1
REPLIGEN CORP
$977k
5,426 shares
-10%+76% from low-1% from high
23Weak
RGENsell10b5-1
REPLIGEN CORP
$504k
3,035 shares
-6%-
50Moderate
RGENsell 310b5-1
REPLIGEN CORP
$1.2M
7,041 shares
-16%+58% from low-1% from high

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 5, 2026RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-1,333$178.75$238k45,7886 d ago
Oct 5, 2026RGEN
REPLIGEN CORP
MOption exercise
Common Stock10b5-1
+4,202$154.96$651k49,9906 d ago
Oct 5, 2026RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-4,202$190.00$798k45,7886 d ago
Oct 5, 2026RGEN
REPLIGEN CORP
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-4,202$0.00$08,4056 d ago
Oct 2, 2026RGEN
REPLIGEN CORP
FTax withholding
Common Stock
-1,248$181.70$227k47,1217 d ago
Sep 24, 2026RGEN
REPLIGEN CORP
MOption exercise
Common Stock10b5-1
+8,404$154.96$1.3M56,77317 d ago
Sep 24, 2026RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-8,404$190.00$1.6M48,36917 d ago
Sep 24, 2026RGEN
REPLIGEN CORP
MOption exercise
Common Stock10b5-1
+4,542$155.38$706k52,91117 d ago
Sep 24, 2026RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-4,542$190.00$863k48,36917 d ago
Sep 24, 2026RGEN
REPLIGEN CORP
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-8,404$0.00$012,60717 d ago
Sep 24, 2026RGEN
REPLIGEN CORP
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-4,542$0.00$09,08517 d ago
Sep 21, 2026RGEN
REPLIGEN CORP
MOption exercise
Common Stock10b5-1
+5,426$141.79$769k53,79520 d ago
Sep 21, 2026RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-5,426$180.00$977k48,36920 d ago
Sep 21, 2026RGEN
REPLIGEN CORP
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-5,426$0.00$05,42620 d ago
Sep 3, 2026RGEN
REPLIGEN CORP
FTax withholding
Common Stock10b5-1
-2,842$169.61$482k51,40434 d ago
Sep 4, 2026RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-3,035$165.90$504k48,36934 d ago
Nov 25, 2025RGEN
REPLIGEN CORP
SOpen-market sale
Common Stock10b5-1
-7,041$170.00$1.2M35,898Nov 26, 2025
Oct 2, 2025RGEN
REPLIGEN CORP
FTax withholding
Common Stock
-1,248$145.23$181k42,939Oct 6, 2025
Sep 3, 2025RGEN
REPLIGEN CORP
FTax withholding
Common Stock
-2,506$116.18$291k44,187Sep 4, 2025
Nov 20, 2024RGEN
REPLIGEN CORP
FTax withholding
Common Stock
-861$123.41$106k32,556Nov 21, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Olivier Loeillot: insider trades and track record | InsiderTell