Repligen ($RGEN) Insider Trading & Smart Money Activity

Repligen Corporation · Medical Instruments & Supplies · Latest filing Oct 5, 2026

Repligen Corporation ($RGEN) has 4 insider trades, 1 congress trade and 4 13F position changes on file. In the last 12 months on the open market, no insider bought and 2 insiders sold ($4.58M), net -$4.58M.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
2
Net insider $ (12 mo)
-$4.58M
Congress trades (12 mo)
1
13F moves on file
4
Analyst ratings on file
0

RGEN insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 1 · $106.28K 0 / 1 4 / 0
Q3 2026 0 2 · $3.44M 0 / 0 0 / 0
Q4 2026 0 1 · $1.04M 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All RGEN insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Loeillot OlivierChief Executive Officer Sell (Open-market sale) 10b5-1 5.54K sh $1.04M -9.0% —
Insider Loeillot OlivierChief Executive Officer Sell (Open-market sale) 10b5-1 12.95K sh $2.46M -7.0% —
Insider Loeillot OlivierChief Executive Officer Sell (Open-market sale) 10b5-1 5.43K sh $976.68K +7.4% —
Insider Jason GarlandCFO Sell (Open-market sale) 10b5-1 733 sh $106.28K -1.9%-9.8% Read
Congress Donald J Trump Sale $1,001 - $15,000 +7.7%+10.0% Read
13F Rtw Investments Added +142K sh $157.49M +11.8%+27.2% Read
13F Rtw Investments Added +142K sh $164.55M +11.8%+27.2% Read
13F Wasatch Advisors New +1.24M sh $162.39M -11.5%-14.6% —
13F Wasatch Advisors New +1.24M sh $169.67M -11.5%-14.6% —

1W / 1M / 6M = how RGEN moved from the trade or filing date.

Insider trading in RGEN: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Loeillot Olivier Chief Executive Officer 3 -$4.47M Oct 5, 2026
Jason Garland CFO 1 -$106.28K Jun 25, 2026

Members of Congress trading RGEN

Institutions moving RGEN (13F)

Frequently asked questions

Are RGEN insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 2 insiders made 4 open-market sales worth $4.58M, a net -$4.58M.

What is the latest insider trade in RGEN?

Loeillot Olivier, Chief Executive Officer filed a sell (open-market sale) of 5.54K sh worth $1.04M on Oct 5, 2026.

Which members of Congress traded RGEN?

1 disclosed trade by Donald J Trump. The latest was on May 22, 2026.

Which institutions changed their RGEN positions?

Recent 13F filers moving the stock include Rtw Investments and Wasatch Advisors.

Other medical instruments & supplies stocks

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.

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