secwatch / observer
RGEN REPLIGEN CORP
CIK 0000730272 22 ready 8-Ks latest May 5, 2026, 7:59 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 22
Latest filing May 15, 2026, 8:09 AM ET
Top materiality 0.80
Event mix earnings ×10 · leadership ×5 · other_material ×3
Sentiment 8 pos · 3 neg · 11 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for RGEN

Executive changes

Role change

Tony J. Hunt

Executive Chair
RGEN · REPLIGEN CORP
Effective
2024-09-01
Successor
Olivier Loeillot
Filed
June 14, 2024, 7:59 PM ET
Tony J. Hunt, who will serve as Executive Chair of the Repligen board of directors
Appointed

Olivier Loeillot

President and Chief Executive Officer
RGEN · REPLIGEN CORP
Effective
2024-09-01
Filed
June 14, 2024, 7:59 PM ET
Repligen has appointed Olivier Loeillot, Repligen’s President and Chief Commercial Officer, to the role of President and Chief Executive Officer, as successor to Tony J. Hunt, who will serve as Executive Chair of the Repligen board of directors (the “Board”), with such transition to be effective September 1, 2024
Role change

Karen A. Dawes

Lead Independent Director
RGEN · REPLIGEN CORP
Effective
2024-09-01
Filed
June 14, 2024, 7:59 PM ET
appointed Karen A. Dawes, the Board’s current Chair, to the role of Lead Independent Director
Appointed

Olivier Loeillot

Member of the Board
RGEN · REPLIGEN CORP
Effective
2024-09-01
Filed
June 14, 2024, 7:59 PM ET
the Board elected Mr. Loeillot as a member of the Board
Appointed

Margaret A. Pax

Director
RGEN · REPLIGEN CORP
Effective
2024-03-18
Filed
March 19, 2024, 7:59 PM ET
the Board elected Margaret A. Pax to the Board, effective immediately (the “Effective Date”).

Earnings & guidance

2026-Q1 EPS reported $0.15 filing →

Materiality & sentiment trend

Max materiality 0.80 · Median 0.70 · Most common event earnings

8 positive 3 negative 11 neutral

source · RGEN on sec.gov