Transaction · 0001628280-26-065238

Loeillot Olivier

Loeillot Olivier, CEO, reported an open-market or private sale at REPLIGEN CORP involving 4202.000000 shares for an estimated $798380.00. Reported holdings after the transaction were 45788.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
RGENREPLIGEN CORP
Filing timeOct 06
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded8.41%Shares sold ÷ (holdings after + shares sold). Estimated position before: 49,990 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$174.86
Pre-filing
1mo ago -4.2%1w ago +11.0%1d ago +3.9%
Returns since
7d30d90d180d1y

RGEN price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
RGEN since 2026-10-06Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-065238
Common Stock
Transaction date
Oct 05, 2026
Filed Oct 06, 2026, 08:18 PM · 1d delay
Shares
4.20k sh
$190.00 per share
Estimated value
-$798k
Computed from shares × price
Holdings after
45.7k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2025.

  2. F2

    4,202 shares will vest on October 2, 2027. 4,203 shares will vest on October 2, 2028.

Original filing · 0001628280-26-065238
Related transactions

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Same reporting owner
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