Insider trade

CEO sold ~$504K of RGEN shares in the open market

Traded Sep 4, 2026 · Filed Sep 9, 2026

Why it stands out

The boss of Repligen sold $504K of Repligen shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

CEO$500K–$1MPre-arranged plan referenced

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$503,507

Shares × reported transaction price

Timing vs results

38 days after results of Jul 28, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	+4.8%	−1.1%	+5.9%

Past results only. Not a forecast.

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.

Scheduled in advanceyesterday

yesterday

Derivative exercise or conversion — not an open-market buy.

Scheduled in advanceyesterday