Centessa Pharmaceuticals plc — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Accardi Mario Alberto | President, Orexin Program | Sale | 2,568 | $29.21 | $75,011 | 178,801 | Dec 9, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Sale | 10,000 | $30.00 | $300,000 | 188,801 | Dec 8, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 6,000 | $27.64 | $165,840 | 105,386 | Nov 17, 2025 |
| Bush Tia L | Chief Technology & Quality Ofc | Option Exercise | 40,000 | $9.42 | $376,800 | 161,503 | Nov 17, 2025 |
| Bush Tia L | Chief Technology & Quality Ofc | Option Exercise | 40,000 | $9.42 | $376,800 | 161,503 | Nov 12, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Tax Withholding | 593 | $24.90 | $14,766 | 193,801 | Nov 1, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Option Exercise | 5,000 | $8.01 | $40,050 | 202,394 | Oct 27, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 6,000 | $22.41 | $134,460 | 105,386 | Oct 15, 2025 |
| Bush Tia L | Chief Technology & Quality Ofc | Sale | 35,000 | $24.00 | $840,000 | 121,503 | Sep 24, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Sale | 742 | $22.02 | $16,339 | 197,394 | Sep 16, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 6,000 | $21.85 | $131,100 | 105,386 | Sep 15, 2025 |
| Bush Tia L | Chief Technology & Quality Ofc | Sale | 25,000 | $22.00 | $550,000 | 121,503 | Sep 10, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 20,000 | $20.01 | $400,200 | 105,386 | Sep 9, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Sale | 7,000 | $20.00 | $140,000 | 205,566 | Sep 9, 2025 |
| HUSSAIN IQBAL J | General Counsel | Option Exercise | 6,000 | $5.84 | $35,040 | 111,386 | Aug 15, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Tax Withholding | 597 | $17.17 | $10,250 | 207,566 | Aug 1, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Sale | 8,322 | $15.23 | $126,744 | 208,163 | Jul 29, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Option Exercise | 10,000 | $3.85 | $38,500 | 132,279 | Jul 25, 2025 |
| SAHA SAURABH | Chief Executive Officer | Sale | 55,000 | $15.92 | $875,600 | 221,017 | Jul 21, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 6,000 | $14.93 | $89,580 | 105,386 | Jul 15, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Option Exercise | 10,000 | $3.85 | $38,500 | 132,279 | Jun 25, 2025 |
| HUSSAIN IQBAL J | General Counsel | Option Exercise | 12,000 | $5.84 | $70,080 | 117,386 | Jun 24, 2025 |
| Accardi Mario Alberto | President, Orexin Program | Sale | 15,000 | $14.00 | $210,000 | 216,485 | Jun 24, 2025 |
| SAHA SAURABH | Chief Executive Officer | Option Exercise | 55,000 | $3.85 | $211,750 | 276,017 | Jun 20, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Sale | 10,000 | $12.82 | $128,200 | 122,279 | May 27, 2025 |
| SAHA SAURABH | Chief Executive Officer | Sale | 55,000 | $12.71 | $699,050 | 221,017 | May 20, 2025 |
| GOYAL ARJUN | — | Purchase | 417,646 | $12.73 | $5,316,634 | 462,585 | May 15, 2025 |
| HUSSAIN IQBAL J | General Counsel | Option Exercise | 311 | $5.84 | $1,816 | 105,697 | May 1, 2025 |
| HUSSAIN IQBAL J | General Counsel | Option Exercise | 2,080 | $5.84 | $12,147 | 107,466 | Apr 28, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Sale | 11,742 | $13.61 | $159,809 | 122,279 | Apr 25, 2025 |
| SAHA SAURABH | Chief Executive Officer | Sale | 40,344 | $12.43 | $501,476 | 221,017 | Apr 21, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Option Exercise | 10,000 | $3.85 | $38,500 | 144,021 | Mar 25, 2025 |
| SAHA SAURABH | Chief Executive Officer | Sale | 55,000 | $16.69 | $917,950 | 276,017 | Mar 20, 2025 |
| CHAO DAVID M | Chief Administrative Officer | Option Exercise | 3,500 | $3.85 | $13,475 | 232,007 | Mar 17, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 6,000 | $16.45 | $98,700 | 105,386 | Mar 17, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Sale | 11,494 | $15.25 | $175,284 | 134,021 | Feb 25, 2025 |
| SAHA SAURABH | Chief Executive Officer | Sale | 775 | $16.54 | $12,819 | 331,017 | Feb 20, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 1,388 | $17.05 | $23,665 | 105,386 | Feb 18, 2025 |
| Anderson Karen M. | Chief People Officer | Option Exercise | 429 | $4.01 | $1,720 | 54,751 | Feb 10, 2025 |
| SAHA SAURABH | Chief Executive Officer | Tax Withholding | 43,381 | $16.92 | $734,007 | 386,017 | Feb 1, 2025 |
| Anderson Karen M. | Chief People Officer | Sale | 6,471 | $16.86 | $109,101 | 54,322 | Feb 1, 2025 |
| HUSSAIN IQBAL J | General Counsel | Tax Withholding | 12,879 | $16.92 | $217,913 | 105,386 | Feb 1, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Tax Withholding | 14,267 | $16.92 | $241,398 | 145,515 | Feb 1, 2025 |
| Bush Tia L | Chief Technology & Quality Ofc | Sale | 11,000 | $16.86 | $185,460 | 121,503 | Feb 1, 2025 |
| CHAO DAVID M | Chief Administrative Officer | Tax Withholding | 13,324 | $16.92 | $225,442 | 228,507 | Feb 1, 2025 |
| Weinhoff Gregory M | Chief Business Officer | Sale | 11,742 | $16.47 | $193,391 | 159,782 | Jan 27, 2025 |
| SAHA SAURABH | Chief Executive Officer | Sale | 53,375 | $15.76 | $841,190 | 431,023 | Jan 21, 2025 |
| HUSSAIN IQBAL J | General Counsel | Sale | 6,000 | $15.29 | $91,740 | 118,265 | Jan 15, 2025 |
| CHAO DAVID M | Chief Administrative Officer | Tax Withholding | 10,385 | $16.35 | $169,795 | 241,831 | Dec 31, 2024 |
| Weinhoff Gregory M | Chief Business Officer | Tax Withholding | 11,742 | $16.35 | $191,982 | 171,524 | Dec 31, 2024 |