Centessa Pharmaceuticals plc (CNTA) Insider Trading
Over the last 3 months, CNTA insiders made 0 open-market buys and 8 sales, a net sale of -$9.1M (SEC Form 4). Over the last 6 months, 112 institutions increased and 91 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$9.1M
Insider trades by month Buys Sells
Sep
Oct
Nov
Dec
Feb
Mar
Context3-month price +51.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 18, 2026 | Accardi Mario Albertodirector, officer: Chief Executive Officer | Tax | 604 | $39.42 |
| Mar 27, 2026 | Anderson Karen M.officer: Chief People Officer | Sell | 41,076 | $30.12 |
| Mar 27, 2026 | Anderson Karen M.officer: Chief People Officer | Option | 41,076 | $8.01 |
| Mar 26, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Sell | 23,998 | $30.00 |
| Mar 26, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Option | 23,998 | $3.85 |
| Mar 18, 2026 | Anderson Karen M.officer: Chief People Officer | Sell | 10,043 | $28.10 |
| Mar 18, 2026 | Anderson Karen M.officer: Chief People Officer | Sell | 64,768 | $28.21 |
| Mar 18, 2026 | Anderson Karen M.officer: Chief People Officer | Option | 10,043 | $4.01 |
| Mar 18, 2026 | Anderson Karen M.officer: Chief People Officer | Option | 64,768 | $4.01 |
| Mar 16, 2026 | Anderson Karen M.officer: Chief People Officer | Option | 15,174 | $3.85 |
| Mar 16, 2026 | Anderson Karen M.officer: Chief People Officer | Option | 94,224 | $4.01 |
| Mar 13, 2026 | Anderson Karen M.officer: Chief People Officer | Sell | 107,961 | $26.15 |
| Mar 13, 2026 | Anderson Karen M.officer: Chief People Officer | Sell | 12,068 | $27.13 |
| Mar 13, 2026 | Anderson Karen M.officer: Chief People Officer | Option | 109,398 | $4.01 |
| Mar 13, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Sell | 11,943 | $27.16 |
| Mar 13, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Sell | 61,253 | $26.17 |
| Feb 3, 2026 | Accardi Mario Albertodirector, officer: Chief Executive Officer | Grant | 273,000 | $25.19 |
| Feb 3, 2026 | HUSSAIN IQBAL Jofficer: Chief Legal Officer | Grant | 20,000 | — |
| Feb 3, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Tax | 14,158 | $24.57 |
| Feb 3, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Grant | 123,000 | $25.19 |
| Feb 3, 2026 | HUSSAIN IQBAL Jofficer: Chief Legal Officer | Grant | 160,000 | $25.19 |
| Feb 3, 2026 | Crowley John Jofficer: Chief Financial Officer | Grant | 45,000 | — |
| Feb 3, 2026 | Weinhoff Gregory Mofficer: Chief Business Officer | Grant | 31,000 | — |
| Feb 3, 2026 | Bush Tia Lofficer: Chief Technology & Quality Ofc | Tax | 8,549 | $24.57 |
| Feb 3, 2026 | HUSSAIN IQBAL Jofficer: Chief Legal Officer | Sell | 38,951 | $25.15 |
| Feb 3, 2026 | Kanes Stephenofficer: Chief Medical Officer | Grant | 120,000 | — |
| Feb 3, 2026 | Bush Tia Lofficer: Chief Technology & Quality Ofc | Grant | 140,000 | $25.19 |
| Feb 3, 2026 | Bush Tia Lofficer: Chief Technology & Quality Ofc | Grant | 35,000 | — |
| Feb 3, 2026 | HUSSAIN IQBAL Jofficer: Chief Legal Officer | Tax | 7,780 | $24.57 |
| Feb 3, 2026 | Deferiere Raphaelofficer: Chief Accounting Officer | Grant | 11,000 | — |
Source: CNTA SEC Form 4 filings, latest May 18, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CNTA positions over the last 6 months (SEC Form 13F).
Increased
112
New positions
80
Reduced
91
Sold out
53
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| MEDICXI VENTURES MANAGEMENT (JERSEY) LTD | Unchanged | 20.0M | Jan 23, 2026 |
| MEDICXI VENTURES MANAGEMENT (JERSEY) LTD | Unchanged | 20.0M | Apr 21, 2026 |
| AVORO CAPITAL ADVISORS LLC | Increased | 14.6M | Mar 16, 2026 |
| AVORO CAPITAL ADVISORS LLC | Reduced | 11.4M | May 15, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Increased | 11.3M | Feb 17, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 10.5M | May 29, 2026 |
| INDEX VENTURE LIFE ASSOCIATES VI LTD | Unchanged | 10.0M | Feb 13, 2026 |
| INDEX VENTURE LIFE ASSOCIATES VI LTD | Unchanged | 10.0M | May 15, 2026 |
| FMR LLC | Increased | 9.0M | Feb 17, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Reduced | 8.9M | May 15, 2026 |
| PENTWATER CAPITAL MANAGEMENT LP | New Position | 8.2M | May 15, 2026 |
| FMR LLC | Reduced | 6.9M | May 15, 2026 |
| GENERAL ATLANTIC, L.P. | Reduced | 6.1M | Feb 17, 2026 |
| ECOR1 CAPITAL, LLC | Increased | 6.0M | May 15, 2026 |
| FARALLON CAPITAL MANAGEMENT LLC | Increased | 5.4M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.