CNTA insider buying – Centessa Pharmaceuticals plc
18 insider purchases since 2016 worth $66.6M by 13 different insiders. Last 12 months: 0 purchases, $0. Most recent filing: 2025-05-19.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| GENERAL ATLANTIC GENPAR (BERMUDA), L.P. Director | $30.0M 1× · 1,500,000 sh | 2021-06-02 2021-06-02 | – | 9,681,818 shares as of 2021-06-03 | Holds - never sold |
| GOYAL ARJUN Director | $20.9M 2× · 1,212,585 sh | 2021-06-02 2025-05-15 | – | 0 shares as of 2026-06-24 | Sold everything |
| Medicxi Growth I GP Ltd 10% Owner | $12.0M 1× · 600,000 sh | 2021-06-02 2021-06-02 | – | 88,887 shares as of 2021-06-04 | Holds - never sold |
| Medicxi Growth I LP 10% Owner | $2.0M 2× · 165,674 sh | 2021-11-26 2021-11-30 | – | 3,903,440 shares as of 2021-12-02 | Holds - never sold |
| Medicxi Growth Co-Invest I LP 10% Owner | $440,059 1× · 34,326 sh | 2021-12-02 2021-12-02 | – | 93,526 shares as of 2021-12-06 | Holds - never sold |
| SAHA SAURABH CEO | $377,440 3× · 38,000 sh | 2021-11-16 2022-06-24 | 16× · $15.1M last 2025-07-21 | 259,017 shares as of 2025-07-21 | Sold part |
| GRAINGER DAVID J Officer | $248,875 1× · 27,500 sh | 2022-01-28 2022-01-28 | – | 990,290 shares as of 2024-01-02 | Holds - never sold |
| Weinhoff Gregory M CFO | $200,000 1× · 10,000 sh | 2021-06-02 2021-06-02 | 16× · $5.8M last 2026-03-26 | 0 shares as of 2026-06-24 | Sold everything |
| HUSSAIN IQBAL J Officer | $170,000 1× · 8,500 sh | 2021-06-02 2021-06-02 | 13× · $4.3M last 2026-01-30 | 0 shares as of 2026-06-24 | Sold everything |
| Bush Tia L Officer | $122,302 2× · 8,000 sh | 2021-06-02 2021-11-16 | 6× · $4.7M last 2025-11-17 | 0 shares as of 2026-06-24 | Sold everything |
| KANTOFF AARON Director | $119,900 1× · 10,000 sh | 2021-11-18 2021-11-18 | – | 60,000 shares as of 2021-11-18 | Holds - never sold |
| Thorell Marella Officer | $20,000 1× · 1,000 sh | 2021-06-02 2021-06-02 | – | 53,101 shares as of 2022-03-23 | Holds - never sold |
| CHAO DAVID M Officer | $10,000 1× · 500 sh | 2021-06-02 2021-06-02 | 1× · $120,199 last 2025-03-17 | 232,007 shares as of 2025-03-19 | Sold part |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 0 | – | – | 6 | $10.1M |
| 2025 | 1 | $5.9M | 1 | 40 | $15.2M |
| 2024 | 0 | – | – | 20 | $14.2M |
| 2023 | 0 | – | – | 1 | $235,774 |
| 2022 | 3 | $343,875 | 2 | 3 | $596,510 |
| 2021 | 14 | $60.4M | 12 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2025-05-19 | GOYAL ARJUN | Director | 462,585 | $12.68 | $5.9M | SEC | |
| 2022-06-27 | SAHA SAURABH | CEO | 10,000 | $4.63 | $46,300 | +35.7% | SEC |
| 2022-02-04 | SAHA SAURABH | CEO | 5,000 | $9.74 | $48,700 | +21.7% | SEC |
| 2022-02-01 | GRAINGER DAVID J | Officer | 27,500 | $9.05 | $248,875 | SEC | |
| 2021-12-06 | Medicxi Growth Co-Invest I LP | 10% Owner | 34,326 | $12.82 | $440,059 | +0.9% | SEC |
| 2021-12-02 | Medicxi Growth I LP | 10% Owner | 97,151 | $12.24 | $1.2M | +2.6% | SEC |
| 2021-11-30 | Medicxi Growth I LP | 10% Owner | 68,523 | $11.64 | $797,465 | +1.8% | SEC |
| 2021-11-18 | KANTOFF AARON | Director | 10,000 | $11.99 | $119,900 | +20.0% | SEC |
| 2021-11-18 | SAHA SAURABH | CEO | 23,000 | $12.28 | $282,440 | SEC | |
| 2021-11-18 | Bush Tia L | Officer | 5,000 | $12.46 | $62,302 | +166.7% | SEC |
| 2021-06-04 | Weinhoff Gregory M | CFO | 10,000 | $20.00 | $200,000 | SEC | |
| 2021-06-04 | Thorell Marella | Officer | 1,000 | $20.00 | $20,000 | SEC | |
| 2021-06-04 | Medicxi Growth I GP Ltd | 10% Owner | 600,000 | $20.00 | $12.0M | +19.1% | SEC |
| 2021-06-04 | HUSSAIN IQBAL J | Officer | 8,500 | $20.00 | $170,000 | SEC | |
| 2021-06-04 | GOYAL ARJUN | Director | 750,000 | $20.00 | $15.0M | +24.4% | SEC |
| 2021-06-04 | CHAO DAVID M | Officer | 500 | $20.00 | $10,000 | SEC | |
| 2021-06-04 | Bush Tia L | Officer | 3,000 | $20.00 | $60,000 | SEC | |
| 2021-06-03 | GENERAL ATLANTIC GENPAR (BERMUDA), L.P. | Director | 1,500,000 | $20.00 | $30.0M | +18.3% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-27 | Anderson Karen M. | Officer | 41,076 | $30.12 | $1.2M | Pre-planned (10b5-1) | SEC |
| 2026-03-26 | Weinhoff Gregory M | Officer | 23,998 | $30.00 | $719,940 | Pre-planned (10b5-1) | SEC |
| 2026-03-18 | Anderson Karen M. | Officer | 74,811 | $28.20 | $2.1M | Pre-planned (10b5-1) | SEC |
| 2026-03-13 | Weinhoff Gregory M | Officer | 73,196 | $26.33 | $1.9M | Pre-planned (10b5-1) | SEC |
| 2026-03-13 | Anderson Karen M. | Officer | 120,029 | $26.25 | $3.2M | Pre-planned (10b5-1) | SEC |
| 2026-02-03 | HUSSAIN IQBAL J | Officer | 39,961 | $25.15 | $1.0M | Sale | SEC |
| 2025-12-09 | Accardi Mario Alberto | CEO | 10,000 | $28.83 | $288,310 | Pre-planned (10b5-1) | SEC |
| 2025-12-08 | Accardi Mario Alberto | CEO | 10,000 | $30.00 | $300,000 | Pre-planned (10b5-1) | SEC |
| 2025-11-18 | HUSSAIN IQBAL J | Officer | 6,000 | $27.64 | $165,840 | Pre-planned (10b5-1) | SEC |
| 2025-11-18 | Bush Tia L | Officer | 40,000 | $28.00 | $1.1M | Pre-planned (10b5-1) | SEC |
| 2025-11-13 | Bush Tia L | Officer | 40,000 | $26.00 | $1.0M | Pre-planned (10b5-1) | SEC |
| 2025-10-27 | Accardi Mario Alberto | CEO | 8,000 | $25.00 | $200,000 | Pre-planned (10b5-1) | SEC |
| 2025-10-16 | HUSSAIN IQBAL J | Officer | 6,000 | $22.41 | $134,460 | Pre-planned (10b5-1) | SEC |
| 2025-09-24 | Bush Tia L | Officer | 35,000 | $24.00 | $840,000 | Pre-planned (10b5-1) | SEC |
| 2025-09-16 | Accardi Mario Alberto | CEO | 8,172 | $21.39 | $174,821 | Pre-planned (10b5-1) | SEC |
Showing the latest 15 of 70 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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