secwatch / observer
CNTA Centessa Pharmaceuticals plc
CIK 0001847903 50 ready 8-Ks latest June 24, 2026, 8:56 AM ET RSS · JSON
Activity: NORMAL 2 filings / 30d vs 1 baseline Risk accumulating: repeated leadership change (13)
Ready 8-Ks 50
Latest filing June 24, 2026, 8:56 AM ET
Top materiality 1.00
Event mix other_material ×19 · earnings ×12 · leadership ×6
Sentiment 16 pos · 2 neg · 32 neu
Latest earnings reported 2025-Q3
Executive change recent →
SHENANIGAN SCORE 1 / 7 see the board

Recent 8-K filings for CNTA

Executive changes

Departed

Samarth Kulkarni

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
each of Francesco De Rubertis, Mario Alberto Accardi, Arjun Goyal, Mary Lynne Hedley, Mathias Hukkelhoven, Samarth Kulkarni, Carol Stuckley and Brett Zbar ceased serving as a member of the board of directors of Centessa
Departed

Mary Lynne Hedley

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
each of Francesco De Rubertis, Mario Alberto Accardi, Arjun Goyal, Mary Lynne Hedley, Mathias Hukkelhoven, Samarth Kulkarni, Carol Stuckley and Brett Zbar ceased serving as a member of the board of directors of Centessa
Departed

Raphael Deferiere

Executive Officer
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
Mario Alberto Accardi, Ph.D. (Chief Executive Officer and Director), John Crowley, Stephen Kanes, M.D., Ph.D., and Raphael Deferiere ceased to serve in their capacities as executive officers of Centessa.
Appointed

Christopher Stokes

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
Christopher Stokes and Kristina Mignon Wright were appointed as directors of the Company.
Departed

Mathias Hukkelhoven

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
each of Francesco De Rubertis, Mario Alberto Accardi, Arjun Goyal, Mary Lynne Hedley, Mathias Hukkelhoven, Samarth Kulkarni, Carol Stuckley and Brett Zbar ceased serving as a member of the board of directors of Centessa
Departed

John Crowley

Executive Officer
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
Mario Alberto Accardi, Ph.D. (Chief Executive Officer and Director), John Crowley, Stephen Kanes, M.D., Ph.D., and Raphael Deferiere ceased to serve in their capacities as executive officers of Centessa.
Departed

Mario Alberto Accardi

Chief Executive Officer and Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
Mario Alberto Accardi, Ph.D. (Chief Executive Officer and Director), John Crowley, Stephen Kanes, M.D., Ph.D., and Raphael Deferiere ceased to serve in their capacities as executive officers of Centessa.
Departed

Francesco De Rubertis

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
each of Francesco De Rubertis, Mario Alberto Accardi, Arjun Goyal, Mary Lynne Hedley, Mathias Hukkelhoven, Samarth Kulkarni, Carol Stuckley and Brett Zbar ceased serving as a member of the board of directors of Centessa
Departed

Stephen Kanes

Executive Officer
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
Mario Alberto Accardi, Ph.D. (Chief Executive Officer and Director), John Crowley, Stephen Kanes, M.D., Ph.D., and Raphael Deferiere ceased to serve in their capacities as executive officers of Centessa.
Departed

Arjun Goyal

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
each of Francesco De Rubertis, Mario Alberto Accardi, Arjun Goyal, Mary Lynne Hedley, Mathias Hukkelhoven, Samarth Kulkarni, Carol Stuckley and Brett Zbar ceased serving as a member of the board of directors of Centessa
Departed

Brett Zbar

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
each of Francesco De Rubertis, Mario Alberto Accardi, Arjun Goyal, Mary Lynne Hedley, Mathias Hukkelhoven, Samarth Kulkarni, Carol Stuckley and Brett Zbar ceased serving as a member of the board of directors of Centessa
Appointed

Kristina Mignon Wright

Director
CNTA · Centessa Pharmaceuticals plc
Effective
2026-06-24
Filed
June 24, 2026, 8:56 AM ET
Christopher Stokes and Kristina Mignon Wright were appointed as directors of the Company.

Earnings & guidance

2025-Q3 EPS reported -$0.98 filing →

Materiality & sentiment trend

Max materiality 1.00 · Median 0.60 · Most common event other_material

16 positive 2 negative 32 neutral

source · CNTA on sec.gov