Centessa Pharmaceuticals plc (CNTA) Insider Ownership

Historic Insider Ownership Trends

Centessa Pharmaceuticals's top three insider shareholders as of March 23, 2026 are (Bermuda) Ltd Gap (TenPercentOwner, 9.68Mn shares), David J Grainger (Chief Innovation Officer, 962.79K shares), Antoine Yver (Evp Chairman Of Development, 783.07K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
(Bermuda) Ltd Gap 9,681,818 0 03 Jun, 2021
David J Grainger Chief Innovation Officer 962,790 0 02 Jan, 2024
Antoine Yver Evp Chairman Of Development 783,066 0 02 Jun, 2023
Arjun Goyal 0 462,585 19 May, 2025
Rubertis Francesco De 0 281,162 23 Mar, 2022
Ventures Management (Jersey) Ltd Medicxi 0 281,162 23 Mar, 2022
Saurabh Saha Chief Executive Officer 221,017 0 21 Jul, 2025
Thomas Templeman Chief Technology Officer 188,244 0 04 Apr, 2023
Javad Shahidi Chief Medical Officer 158,932 0 04 Oct, 2022
Stephen Kanes Chief Medical Officer 120,000 0 03 Feb, 2026
Iqbal J Hussain Chief Legal Officer 117,645 0 03 Feb, 2026
Gregory M Weinhoff Chief Business Officer 65,925 0 13 Mar, 2026
Harris Rotman Svp Regulatory Affairs 62,625 0 02 Feb, 2024
Karen M. Anderson Chief People Officer 62,085 0 18 Mar, 2026
Aaron Kantoff 60,000 0 18 Nov, 2021
Marella Thorell Chief Accounting Officer 53,101 0 23 Mar, 2022
John J Crowley Chief Financial Officer 45,000 0 03 Feb, 2026
Saurabh Saha Chief Executive Officer 0 38,000 27 Jun, 2022
David J Grainger Chief Innovation Officer 0 27,500 01 Feb, 2022
Raphael Deferiere Chief Accounting Officer 11,000 0 03 Feb, 2026
Iqbal J Hussain General Counsel 0 5,500 04 Jun, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Mar, 2026 Karen M. Anderson Ordinary Shares A 64,768 $4.01 126,853 D M
16 Mar, 2026 Karen M. Anderson Ordinary Shares D 64,768 $28.21 62,085 D S
17 Mar, 2026 Karen M. Anderson Ordinary Shares A 10,043 $4.01 72,128 D M
17 Mar, 2026 Karen M. Anderson Ordinary Shares D 10,043 $28.10 62,085 D S
16 Mar, 2026 Karen M. Anderson Share Option (right to buy) D 64,768 $0.00 85,043 D M
17 Mar, 2026 Karen M. Anderson Share Option (right to buy) D 10,043 $0.00 75,000 D M
13 Mar, 2026 Karen M. Anderson Ordinary Shares A 94,224 $4.01 166,940 D M
13 Mar, 2026 Karen M. Anderson Ordinary Shares A 15,174 $3.85 182,114 D M
13 Mar, 2026 Karen M. Anderson Ordinary Shares D 107,961 $26.15 74,153 D S
13 Mar, 2026 Karen M. Anderson Ordinary Shares D 12,068 $27.13 62,085 D S
13 Mar, 2026 Karen M. Anderson Share Option (right to buy) D 94,224 $0.00 149,811 D M
13 Mar, 2026 Karen M. Anderson Share Option (right to buy) D 15,174 $0.00 28,336 D M
13 Mar, 2026 Karen M. Anderson Ordinary Shares A 109,398 $4.01 182,114 D M
13 Mar, 2026 Gregory M Weinhoff Ordinary Shares D 61,253 $26.17 77,868 D S
13 Mar, 2026 Karen M. Anderson Ordinary Shares D 107,961 $26.15 74,153 D S
13 Mar, 2026 Gregory M Weinhoff Ordinary Shares D 11,943 $27.16 65,925 D S
13 Mar, 2026 Karen M. Anderson Ordinary Shares D 12,068 $27.13 62,085 D S
13 Mar, 2026 Karen M. Anderson Share Option (right to buy) D 109,398 $0.00 134,637 D M
30 Jan, 2026 Iqbal J Hussain Ordinary Shares D 1,010 $25.01 104,376 D S
01 Feb, 2026 Gregory M Weinhoff Ordinary Shares D 14,158 $24.57 108,121 D F