Insider · CIK 0001762176

Anderson Karen M.

Reports to the SEC for 2 companies · CHESHIRE

sec.gov

Transactions

Companies

Filings

CIK

0001762176

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-24	Centessa Pharmaceuticals plcD Disposition to Issuer	Chief People Officer	DDisposition to Issuer	−62.1K sh	—	—	0
2026-06-24	Centessa Pharmaceuticals plcShare Option (right to buy)D Disposition to Issuer	Chief People Officer	DDisposition to Issuer	−117K sh	—	—	0
2026-06-24	Centessa Pharmaceuticals plcShare Option (right to buy)D Disposition to Issuer	Chief People Officer	DDisposition to Issuer	−28.3K sh	—	—	0
2026-06-24	Centessa Pharmaceuticals plcShare Option (right to buy)D Disposition to Issuer	Chief People Officer	DDisposition to Issuer	−83.9K sh	—	—	0
2026-06-24	Centessa Pharmaceuticals plcShare Option (right to buy)D Disposition to Issuer	Chief People Officer	DDisposition to Issuer	−75K sh	—	—	0
2026-06-24	Centessa Pharmaceuticals plcShare Option (right to buy)D Disposition to Issuer	Chief People Officer	DDisposition to Issuer	−120K sh	—	—	0
2026-03-26	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−41.1K sh	$30.12	−$1.24M	62,085
2026-03-26	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−41.1K sh	—	—	83,924
2026-03-26	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+41.1K sh	$8.01	+$329K	103,161
2026-03-17	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−10K sh	—	—	75,000
2026-03-17	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−10K sh	$28.10	−$282K	62,085
2026-03-17	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+10K sh	$4.01	+$40.3K	72,128
2026-03-16	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−64.8K sh	$28.21	−$1.83M	62,085
2026-03-16	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+64.8K sh	$4.01	+$260K	126,853
2026-03-16	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−64.8K sh	—	—	85,043
2026-03-13	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−108K sh	$26.15	−$2.82M	74,153
2026-03-13	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−12.1K sh	$27.13	−$327K	62,085
2026-03-13	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−15.2K sh	—	—	28,336
2026-03-13	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−109K sh	—	—	134,637
2026-03-13	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−94.2K sh	—	—	149,811
2026-03-13	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+109K sh	$4.01	+$439K	182,114
2026-03-13	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−108K sh	$26.15	−$2.82M	74,153
2026-03-13	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+94.2K sh	$4.01	+$378K	166,940
2026-03-13	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+15.2K sh	$3.85	+$58.4K	182,114
2026-03-13	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−12.1K sh	$27.13	−$327K	62,085
2026-02-02	Centessa Pharmaceuticals plcShare Option (right to buy)A Award	Chief People Officer	AAward	+117K sh	—	—	117,000
2026-02-02	Centessa Pharmaceuticals plcA Award	Chief People Officer	AAward	+29K sh	—	—	72,716
2026-02-01	Centessa Pharmaceuticals plcF Tax Payment	Chief People Officer	FTax Payment	−10.6K sh	$24.57	−$261K	43,716
2025-02-10	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−429 sh	$18.99	−$8,146.71	54,322
2025-02-10	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+429 sh	$4.01	+$1,720.29	54,751
2025-02-10	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−429 sh	—	—	244,035
2025-02-07	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−30.5K sh	$19.03	−$581K	54,322
2025-02-07	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+30.5K sh	$4.01	+$122K	84,848
2025-02-07	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−30.5K sh	—	—	244,464
2025-02-03	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−6,471 sh	$16.86	−$109K	54,322
2025-02-03	Centessa Pharmaceuticals plcShare Option (right to buy)A Award	Chief People Officer	AAward	+120K sh	—	—	120,000
2025-02-01	Centessa Pharmaceuticals plcF Tax Payment	Chief People Officer	FTax Payment	−10.7K sh	$16.92	−$182K	60,793
2024-12-17	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−10.6K sh	—	—	43,510
2024-12-17	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−10.6K sh	$17.32	−$184K	71,525
2024-12-17	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+10.6K sh	$3.85	+$40.9K	82,149
2024-12-13	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−5,876 sh	—	—	54,134
2024-12-13	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−5,876 sh	$17.01	−$100K	71,525
2024-12-13	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+5,876 sh	$3.85	+$22.6K	77,401
2024-03-25	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−25K sh	—	—	274,990
2024-03-25	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−21.2K sh	$12.21	−$258K	71,525
2024-03-25	Centessa Pharmaceuticals plcS Sale	Chief People Officer	SSale	−30K sh	$11.66	−$350K	92,690
2024-03-25	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+20K sh	$3.85	+$77K	122,685
2024-03-25	Centessa Pharmaceuticals plcM Exercise/Conversion	Chief People Officer	MExercise/Conversion	+25K sh	$4.01	+$100K	102,695
2024-03-25	Centessa Pharmaceuticals plcShare Option (right to buy)M Exercise/Conversion	Chief People Officer	MExercise/Conversion	−20K sh	—	—	60,010
2024-02-01	Centessa Pharmaceuticals plcShare Option (right to buy)A Award	Chief People Officer	AAward	+125K sh	—	—	125,000

Recent filings

Accepted (ET)
Jun 244
Anderson Karen M.0001470831-26-000619
SEC(opens sec.gov)
Mar 274
Anderson Karen M.0001470831-26-000331
SEC(opens sec.gov)
Mar 184
Anderson Karen M.0001470831-26-000291
SEC(opens sec.gov)
Mar 164/A
Anderson Karen M.0001470831-26-000279
SEC(opens sec.gov)

Companies

Address

C/O CENTESSA PHARMACEUTICALS PLC 3RD FL., 1 ASHLEY RD, ALTRINCHAM

CHESHIRE, WA14 2DT