Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Nicolas Barthelemy 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.
- Olivier Loeillot - $7.69M in RGEN purchases and sales in the last 12 months
- 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.
Frequently asked questions
Who is Nicolas Barthelemy?
Nicolas Barthelemy is a corporate insider of REPLIGEN CORP (RGEN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Nicolas Barthelemy last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 2 filings going back to 2025.
