David Chao's Insider Trades & SAST Disclosures
David Chao's most recent trade in Centessa Pharmaceuticals plc - ADR was a trade of 5,478 Ordinary Shares done at an average price of $17.1 . Disclosure was reported to the exchange on March 17, 2025.
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| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Sale of securities on an exchange or to another person at price $ 17.08 per share. | 17 Mar 2025 | 5,478 | 226,529 | - | 17.1 | 93,576 | Ordinary Shares |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 17 Mar 2025 | 3,500 | 111,500 | - | - | Share Option (right to buy) | |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.85 per share. | 17 Mar 2025 | 3,500 | 232,007 | - | 3.9 | 13,475 | Ordinary Shares |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Sale of securities on an exchange or to another person at price $ 17.50 per share. | 17 Mar 2025 | 1,522 | 225,007 | - | 17.5 | 26,630 | Ordinary Shares |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.92 per share. | 01 Feb 2025 | 13,324 | 228,507 | - | 16.9 | 225,442 | Ordinary Shares |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.35 per share. | 31 Dec 2024 | 10,385 | 241,831 | - | 16.4 | 169,795 | Ordinary Shares |
| Westlake Corporation | T. Chao David | Director | Sale of securities on an exchange or to another person at price $ 129.08 per share. | 29 Nov 2024 | 1,750 | 7,784 (0%) | 0% | 129.1 | 225,888 | Common Stock |
| Westlake Corporation | David T. Chao | Director | Sale of securities on an exchange or to another person at price $ 130.00 per share. | 22 Nov 2024 | 1,750 | 9,534 (0%) | 0% | 130 | 227,500 | Common Stock |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 15.79 per share. | 30 Sep 2024 | 10,385 | 252,216 | - | 15.8 | 163,979 | Ordinary Shares |
| Westlake Corporation | David T. Chao | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Aug 2024 | 1,136 | 11,284 (0%) | 0% | - | Common Stock | |
| Westlake Corporation | David T. Chao | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Aug 2024 | 1,136 | 0 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Aug 2024 | 1,128 | 1,128 | - | - | Restricted Stock Units | |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.03 per share. | 30 Jun 2024 | 10,385 | 262,601 | - | 9.0 | 93,777 | Ordinary Shares |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.30 per share. | 31 Mar 2024 | 10,385 | 272,986 | - | 11.3 | 117,351 | Ordinary Shares |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Feb 2024 | 150,000 | 150,000 | - | - | Share Option (right to buy) | |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Feb 2024 | 37,500 | 292,874 | - | 0 | Ordinary Shares | |
| Centessa Pharmaceuticals p... | David Chao | Chief Administrative Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.19 per share. | 01 Feb 2024 | 9,503 | 283,371 | - | 8.2 | 77,830 | Ordinary Shares |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Gift of securities by or to the insider at price $ 0.00 per share. | 31 Aug 2023 | 19,423 | 19,423 (0%) | 0% | 0 | Common Stock | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 131.00 per share. | 23 Aug 2023 | 1,000 | 10,148 (0%) | 0% | 131 | 131,000 | Common Stock |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Aug 2023 | 1,446 | 0 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Aug 2023 | 1,446 | 11,148 (0%) | 0% | - | Common Stock | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Aug 2023 | 1,136 | 1,136 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Aug 2022 | 1,763 | 9,702 (0%) | 0% | - | Common Stock | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Aug 2022 | 1,763 | 0 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Aug 2022 | 1,446 | 1,446 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Aug 2021 | 2,400 | 7,939 (0%) | 0% | - | Common Stock | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Aug 2021 | 2,400 | 0 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Aug 2021 | 1,763 | 1,763 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Aug 2020 | 2,400 | 2,400 | - | - | Restricted Stock Units | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Aug 2020 | 2,387 | 5,539 (0%) | 0% | - | Common Stock | |
| Westlake Corporation | David T. Chao | Director, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Aug 2020 | 2,387 | 0 | - | - | Restricted Stock Units |
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc
Security Type: Share/ Warrants / Convertible Debentures
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges