Centessa Pharmaceuticals plc
Total Trades
114
Buys
4
Sells
74
Largest Trade
N/A
Insiders
13
Institutional Funds
97
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| HUSSAIN IQBAL J | Chief Legal Officer | GRANT | N/A | 60K | — | Feb 3, 2026 |
| HUSSAIN IQBAL J | Chief Legal Officer | SELL | $1M+ | 40K | $25.15 | Feb 3, 2026 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 10K | $28.83 | Dec 10, 2025 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 10K | $30.00 | Dec 8, 2025 |
| Accardi Mario Alberto | President | EXERCISE | $15K–$50K | 5K | $9.53 | Dec 8, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $100K–$500K | 6K | $27.64 | Nov 18, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $15K–$50K | 6K | $5.84 | Nov 18, 2025 |
| Bush Tia L | Chief Technology &… | SELL | $1M+ | 40K | $28.00 | Nov 18, 2025 |
| Bush Tia L | Chief Technology &… | EXERCISE | $100K–$500K | 40K | $9.42 | Nov 18, 2025 |
| Bush Tia L | Chief Technology &… | EXERCISE | $100K–$500K | 40K | $9.42 | Nov 13, 2025 |
| Bush Tia L | Chief Technology &… | SELL | $1M+ | 40K | $26.00 | Nov 13, 2025 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 8K | $25.00 | Oct 27, 2025 |
| Accardi Mario Alberto | President | EXERCISE | $15K–$50K | 5K | $8.01 | Oct 27, 2025 |
| Bush Tia L | Chief Technology &… | EXERCISE | $100K–$500K | 35K | $9.42 | Sep 24, 2025 |
| Bush Tia L | Chief Technology &… | SELL | $500K+ | 35K | $24.00 | Sep 24, 2025 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 8K | $21.40 | Sep 16, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $100K–$500K | 6K | $21.85 | Sep 15, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $15K–$50K | 6K | $5.84 | Sep 15, 2025 |
| Bush Tia L | Chief Technology &… | SELL | $1M+ | 50K | $21.00 | Sep 11, 2025 |
| Bush Tia L | Chief Technology &… | EXERCISE | $100K–$500K | 50K | $8.72 | Sep 11, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $500K+ | 40K | $21.00 | Sep 11, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $100K–$500K | 40K | $5.84 | Sep 11, 2025 |
| Accardi Mario Alberto | President | EXERCISE | $15K–$50K | 5K | $8.01 | Sep 11, 2025 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 7K | $20.00 | Sep 11, 2025 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 8K | $15.23 | Jul 30, 2025 |
| Weinhoff Gregory M | Chief Business Off… | EXERCISE | $15K–$50K | 10K | $3.85 | Jul 25, 2025 |
| Weinhoff Gregory M | Chief Business Off… | SELL | $100K–$500K | 10K | $15.56 | Jul 25, 2025 |
| SAHA SAURABH | CEO | EXERCISE | $100K–$500K | 55K | $3.85 | Jul 21, 2025 |
| SAHA SAURABH | CEO | SELL | $500K+ | 55K | $15.92 | Jul 21, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $15K–$50K | 6K | $5.84 | Jul 17, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $50K–$100K | 6K | $14.93 | Jul 17, 2025 |
| Weinhoff Gregory M | Chief Business Off… | SELL | $100K–$500K | 10K | $13.86 | Jun 25, 2025 |
| Weinhoff Gregory M | Chief Business Off… | EXERCISE | $15K–$50K | 10K | $3.85 | Jun 25, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $50K–$100K | 12K | $5.84 | Jun 25, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $100K–$500K | 12K | $14.02 | Jun 25, 2025 |
| Accardi Mario Alberto | President | SELL | $100K–$500K | 15K | $14.00 | Jun 25, 2025 |
| Accardi Mario Alberto | President | EXERCISE | $50K–$100K | 15K | $3.85 | Jun 25, 2025 |
| SAHA SAURABH | CEO | SELL | $500K+ | 55K | $12.63 | Jun 21, 2025 |
| SAHA SAURABH | CEO | EXERCISE | $100K–$500K | 55K | $3.85 | Jun 21, 2025 |
| Weinhoff Gregory M | Chief Business Off… | EXERCISE | $15K–$50K | 10K | $3.85 | May 27, 2025 |
| Weinhoff Gregory M | Chief Business Off… | SELL | $100K–$500K | 10K | $12.82 | May 27, 2025 |
| SAHA SAURABH | CEO | SELL | $500K+ | 55K | $12.71 | May 20, 2025 |
| SAHA SAURABH | CEO | EXERCISE | $100K–$500K | 55K | $3.85 | May 20, 2025 |
| GOYAL ARJUN | Director | BUY | $1M+ | 463K | $12.68 | May 19, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $1K–$15K | 311 | $14.00 | May 2, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $1K–$15K | 311 | $5.84 | May 2, 2025 |
| HUSSAIN IQBAL J | General Counsel | EXERCISE | $15K–$50K | 6K | $5.84 | Apr 29, 2025 |
| HUSSAIN IQBAL J | General Counsel | SELL | $50K–$100K | 6K | $14.00 | Apr 29, 2025 |
| Weinhoff Gregory M | Chief Business Off… | SELL | $100K–$500K | 12K | $13.61 | Apr 26, 2025 |
| SAHA SAURABH | CEO | SELL | $500K+ | 55K | $12.39 | Apr 22, 2025 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 97 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Medicxi Ventures Management (Jersey) Ltd | 20.0M | $1M+ | SH |
| Index Venture Life Associates VI Ltd | 10.0M | $1M+ | SH |
| Siren, L.L.C. | 4.0M | $1M+ | SH |
| PERCEPTIVE ADVISORS LLC | 2.9M | $1M+ | SH |
| FEDERATED HERMES, INC. | 2.3M | $1M+ | SH |
| First Light Asset Management, LLC | 2.3M | $1M+ | SH |
| BRAIDWELL LP | 2.2M | $1M+ | SH |
| Deep Track Capital, LP | 2.0M | $1M+ | SH |
| MAVERICK CAPITAL LTD | 1.6M | $1M+ | SH |
| Cormorant Asset Management, LP | 1.3M | $1M+ | SH |
| Capital World Investors | 1.2M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 1.1M | $1M+ | SH |
| Sofinnova Investments, Inc. | 1.1M | $1M+ | SH |
| Jain Global LLC | 916K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 779K | $1M+ | SH |
| Octagon Capital Advisors LP | 750K | $1M+ | SH |
| Affinity Asset Advisors, LLC | 601K | $1M+ | SH |
| PFM Health Sciences, LP | 592K | $1M+ | SH |
| 5AM Venture Management, LLC | 581K | $1M+ | SH |
| BlackRock, Inc. | 528K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 6, 2026
12.2%
11.0M shares
SC 13G/A · Feb 5, 2026
9.9%
8.9M shares
General Atlantic Cooperatief U.A.
SC 13D/A · Nov 28, 2025
5.0%
7.4M shares
General Atlantic Cooperatief U.A.
SC 13D/A · Nov 18, 2025
6.6%
9.7M shares
SC 13G · Nov 14, 2025
8.1%
10.8M shares
Adage Capital Management, L.P.
SC 13G/A · Nov 13, 2025
7.5%
10.0M shares
SC 13G · Nov 5, 2025
7.0%
6.3M shares
Adage Capital Management, L.P.
SC 13G/A · Aug 12, 2025
6.3%
8.4M shares
Adage Capital Management, L.P.
SC 13G · May 12, 2025
5.2%
7.0M shares
SC 13G/A · Nov 14, 2024
2.9%
3.2M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Nov 14, 2024
0.0%
0 shares
SC 13G/A · Feb 14, 2024
5.8%
5.6M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2024
4.7%
4.6M shares
SC 13G · Nov 23, 2022
5.5%
5.2M shares
Biotechnology Value Fund, L.P.
SC 13G · Jun 16, 2022
4.0%
3.7M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G · Feb 11, 2022
6.4%
5.7M shares