Insiders who reported open-market trades in the last 12 months at the companies Olivier Loeillot files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Anthony Hunt - $7.01M in RGEN purchases and sales in the last 12 months
James Bylund - $331K in RGEN purchases and sales in the last 12 months
Jason K. Garland - $186K in RGEN purchases and sales in the last 12 months
Karen A. Dawes - $44K in RGEN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Olivier Loeillot is a corporate insider, tracked as Chief Executive Officer, Director of REPLIGEN CORP (RGEN). InsiderAlpha holds 13 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Olivier Loeillot submitted recently?
6 primary Form 4 filings in the last 90 days, covering 1 company.
Has Olivier Loeillot been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($7.69M) across all tracked filings.
Olivier Loeillot is Chief Executive Officer, Director of REPLIGEN CORP (RGEN). 13 SEC Form 4 filings on record going back to 2024, most recently on 6 October 2026. Most recent open-market trade: sold $798K of RGEN on 6 October 2026. Lifetime open-market sales: $7.69M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Olivier Loeillot.
InsiderAlpha's records for Olivier Loeillot go back to 2024: 13 primary Form 4 filings, an average of 4.3 per year. 20 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
