Karen M. Anderson

Chief People Officer · 6 filings · Latest: Jun 24, 2026

Centessa Pharmaceuticals plc

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Filing
CNTA	Karen M. Anderson	Chief People Officer	Mar 26, 2026	Sale	$30.12	41,076	$1.2M	62,085	Mar 27 10:17 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 26, 2026	Option Exercise	$8.01	41,076	$329.0K	103,161	Mar 27 10:17 PM
CNTA	Anderson Karen M.	—	Mar 26, 2026	Proposed Sale	$28.15	41,076	$1.2M	—	Mar 26 8:05 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 17, 2026	Sale	$28.10	10,043	$282.2K	62,085	Mar 18 10:43 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 17, 2026	Option Exercise	$4.01	10,043	$40.3K	72,128	Mar 18 10:43 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 16, 2026	Sale	$28.21	64,768	$1.8M	62,085	Mar 18 10:43 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 16, 2026	Option Exercise	$4.01	64,768	$259.7K	126,853	Mar 18 10:43 PM
CNTA	Anderson Karen M.	—	Mar 17, 2026	Proposed Sale	$27.98	10,043	$281.0K	—	Mar 17 8:02 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 13, 2026	Sale	$26.25	120,029	$3.2M	62,085	Mar 16 10:09 PM 4/A
CNTA	Karen M. Anderson	Chief People Officer	Mar 13, 2026	Option Exercise	$3.99	109,398	$436.3K	182,114	Mar 16 10:09 PM 4/A
CNTA	Anderson Karen M.	—	Mar 16, 2026	Proposed Sale	$28.21	64,768	$1.8M	—	Mar 16 8:24 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 13, 2026	Sale	$26.25	120,029	$3.2M	62,085	Mar 13 10:23 PM
CNTA	Karen M. Anderson	Chief People Officer	Mar 13, 2026	Option Exercise	$4.01	109,398	$438.7K	182,114	Mar 13 10:23 PM
CNTA	Anderson Karen M.	—	Mar 13, 2026	Proposed Sale	$25.86	120,029	$3.1M	—	Mar 13 9:05 PM
CNTA	Anderson Karen M.	—	Feb 10, 2025	Proposed Sale	$18.99	429	$8.1K	—	Feb 10 9:14 PM
CNTA	Anderson Karen M.	—	Feb 7, 2025	Proposed Sale	$19.03	30,526	$580.8K	—	Feb 7 9:13 PM
CNTA	Anderson Karen M.	—	Feb 3, 2025	Proposed Sale	$16.49	6,471	$106.7K	—	Feb 3 9:04 PM
CNTA	Anderson Karen M.	—	Dec 13, 2024	Proposed Sale	$16.89	16,500	$278.7K	—	—