Loeillot Olivier Insider Trades & Stock Holdings

Chief Executive Officer · Repligen Corporation · Latest filing Oct 5, 2026

Loeillot Olivier, Chief Executive Officer at Repligen Corporation has 3 Form 4 trades on file since Sep 21, 2026. Open-market activity: 0 purchases ($0) and 3 sales ($4.47M), net -$4.47M. Latest filing: disposed of 5.54K shares of $RGEN on Oct 5, 2026 at $187.29.

Trades on file

3

Open-market bought

$0

Open-market sold

$4.47M

Net open-market

-$4.47M

Latest filing

Oct 5, 2026

All insider trades by Loeillot Olivier

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 5, 2026	$RGEN	Sell (Open-market sale) 10b5-1	5.54K	$187.29	$1.04M			-9.0%			Chief Executive Officer		—
Sep 24, 2026	$RGEN	Sell (Open-market sale) 10b5-1	12.95K	$190	$2.46M			-7.0%			Chief Executive Officer		—
Sep 21, 2026	$RGEN	Sell (Open-market sale) 10b5-1	5.43K	$180	$976.68K			+7.4%			Chief Executive Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Loeillot Olivier traded

• $RGEN

Frequently asked questions

Has Loeillot Olivier been buying or selling stock?

Loeillot Olivier has 0 open-market purchases and 3 open-market sales on file, net -$4.47M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Loeillot Olivier's latest insider trade?

disposed of 5.54K shares of $RGEN on Oct 5, 2026 at $187.29.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.