Chess Robert B.'s Insider Trades & SAST Disclosures
Chess Robert B.'s most recent trade in Twist Bioscience Corp was a trade of 2,940 Common Stock done at an average price of $53.1 . Disclosure was reported to the exchange on Feb. 7, 2025.
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| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 53.14 per share. | 07 Feb 2025 | 2,940 | 18,173 (0%) | 0% | 53.1 | 156,217 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Feb 2025 | 4,472 | 21,113 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | 31 Dec 2024 | 120,000 | 120,000 | - | - | Stock Option | ||
| Twist Bioscience Corp | Chess Robert B. | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Dec 2024 | 3,504 | 0 | - | - | Stock Option (right to buy) | |
| Twist Bioscience Corp | B. Chess Robert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 8.82 per share. | 05 Dec 2024 | 3,504 | 25,145 (0%) | 0% | 8.8 | 30,905 | Common Stock |
| Twist Bioscience Corp | B. Chess Robert | Director | Sale of securities on an exchange or to another person at price $ 51.70 per share. | 05 Dec 2024 | 2,795 | 22,350 (0%) | 0% | 51.7 | 144,508 | Common Stock |
| Twist Bioscience Corp | B. Chess Robert | Director | Sale of securities on an exchange or to another person at price $ 52.45 per share. | 05 Dec 2024 | 709 | 21,641 (0%) | 0% | 52.5 | 37,188 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 8.82 per share. | 11 Nov 2024 | 3,600 | 25,241 (0%) | 0% | 8.8 | 31,752 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Nov 2024 | 3,600 | 3,504 | - | - | Stock Option (right to buy) | |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 46.99 per share. | 11 Nov 2024 | 2,324 | 22,917 (0%) | 0% | 47.0 | 109,203 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 47.75 per share. | 11 Nov 2024 | 1,276 | 21,641 (0%) | 0% | 47.8 | 60,935 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 1.20 per share. | 14 Jun 2024 | 19,500 | 255,273 (0%) | 0% | 1.2 | 23,400 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Feb 2024 | 5,815 | 68,279 (0%) | 0% | 0 | Common Stock | |
| Twist Bioscience Corp | Robert Chess B. | Director | Sale of securities on an exchange or to another person at price $ 34.98 per share. | 06 Feb 2024 | 4,110 | 64,169 (0%) | 0% | 35.0 | 143,784 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Feb 2023 | 8,212 | 62,464 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 3.19 per share. | 22 Sep 2022 | 5,100 | 228,179 (0%) | 0% | 3.2 | 16,269 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Sep 2022 | 20,400 | 20,400 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Sep 2022 | 10,200 | 233,279 (0%) | 0% | 0 | Common Stock | |
| Twist Bioscience Corp | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Feb 2022 | 3,491 | 54,252 (0%) | 0% | 0 | Common Stock | |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 58.88 per share. | 04 Feb 2022 | 253 | 50,761 (0%) | 0% | 58.9 | 14,896 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 120.15 per share. | 01 Nov 2021 | 4,000 | 51,014 (0%) | 0% | 120.2 | 480,614 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 120.15 per share. | 21 Oct 2021 | 3,700 | 55,014 (0%) | 0% | 120.1 | 444,540 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 120.00 per share. | 19 Oct 2021 | 300 | 58,714 (0%) | 0% | 120 | 36,000 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Sep 2021 | 20,400 | 20,400 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Sep 2021 | 10,200 | 284,473 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 17.94 per share. | 22 Sep 2021 | 4,600 | 279,873 (0%) | 0% | 17.9 | 82,524 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 120.23 per share. | 10 Sep 2021 | 4,000 | 59,014 (0%) | 0% | 120.2 | 480,908 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Sep 2021 | 10,279 | 0 | - | - | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 16.02 per share. | 08 Sep 2021 | 10,279 | 274,273 (0%) | 0% | 16.0 | 164,670 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 08 Sep 2021 | 10,279 | 284,552 (0%) | 0% | 13.8 | 141,850 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 16.00 per share. | 08 Sep 2021 | 8,000 | 274,273 (0%) | 0% | 16 | 128,000 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Sep 2021 | 8,000 | 10,279 | - | - | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 08 Sep 2021 | 8,000 | 282,273 (0%) | 0% | 13.8 | 110,400 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Aug 2021 | 6,300 | 274,273 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Aug 2021 | 2,100 | 2,100 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Aug 2021 | 2,100 | 2,100 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Aug 2021 | 2,100 | 2,100 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Jul 2021 | 3,524 | 18,370 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 16.81 per share. | 20 Jul 2021 | 3,524 | 280,573 (0%) | 0% | 16.8 | 59,238 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 20 Jul 2021 | 3,524 | 284,097 (0%) | 0% | 13.8 | 48,631 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Jul 2021 | 2,106 | 21,894 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 20 Jul 2021 | 2,106 | 282,679 (0%) | 0% | 13.8 | 29,063 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 16.80 per share. | 20 Jul 2021 | 2,106 | 280,573 (0%) | 0% | 16.8 | 35,381 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Jul 2021 | 91 | 18,279 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 16.80 per share. | 20 Jul 2021 | 91 | 280,573 (0%) | 0% | 16.8 | 1,529 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 20 Jul 2021 | 91 | 280,664 (0%) | 0% | 13.8 | 1,256 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 125.45 per share. | 12 Jul 2021 | 2,495 | 63,909 (0%) | 0% | 125.5 | 313,000 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 124.37 per share. | 12 Jul 2021 | 610 | 66,404 (0%) | 0% | 124.4 | 75,865 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 128.38 per share. | 12 Jul 2021 | 300 | 63,254 (0%) | 0% | 128.4 | 38,513 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 130.46 per share. | 12 Jul 2021 | 240 | 63,014 (0%) | 0% | 130.5 | 31,311 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 127.14 per share. | 12 Jul 2021 | 200 | 63,554 (0%) | 0% | 127.1 | 25,429 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 126.00 per share. | 12 Jul 2021 | 155 | 63,754 (0%) | 0% | 126 | 19,530 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 120.10 per share. | 23 Jun 2021 | 4,000 | 67,014 (0%) | 0% | 120.1 | 480,409 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 19.34 per share. | 12 May 2021 | 8,000 | 280,573 (0%) | 0% | 19.3 | 154,720 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 May 2021 | 8,000 | 24,000 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 12 May 2021 | 8,000 | 288,573 (0%) | 0% | 13.8 | 110,400 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 18.98 per share. | 14 Apr 2021 | 8,000 | 280,573 (0%) | 0% | 19.0 | 151,840 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Apr 2021 | 8,000 | 32,000 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.80 per share. | 14 Apr 2021 | 8,000 | 288,573 (0%) | 0% | 13.8 | 110,400 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 159.54 per share. | 05 Feb 2021 | 706 | 71,014 (0%) | 0% | 159.5 | 112,635 | Common Stock |
| Twist Bioscience Corp | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Feb 2021 | 973 | 973 | - | - | Director Stock Option (right to buy) | |
| Twist Bioscience Corp | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Feb 2021 | 486 | 71,720 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 17.75 per share. | 25 Sep 2020 | 5,500 | 280,573 (0%) | 0% | 17.8 | 97,625 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Sep 2020 | 18,200 | 18,200 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Sep 2020 | 9,100 | 286,073 (0%) | 0% | 0 | Common Stock | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.24 per share. | 08 Sep 2020 | 8,000 | 284,973 (0%) | 0% | 9.2 | 73,920 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Sep 2020 | 8,000 | 0 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 18.53 per share. | 08 Sep 2020 | 8,000 | 276,973 (0%) | 0% | 18.5 | 148,240 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.24 per share. | 08 Jul 2020 | 8,000 | 284,973 (0%) | 0% | 9.2 | 73,920 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Jul 2020 | 8,000 | 8,000 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 24.58 per share. | 08 Jul 2020 | 8,000 | 276,973 (0%) | 0% | 24.6 | 196,640 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Apr 2020 | 8,000 | 16,000 | - | - | Stock Option | |
| Nektar Therapeutics | Robert B. Chess | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.24 per share. | 15 Apr 2020 | 8,000 | 284,973 (0%) | 0% | 9.2 | 73,920 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 18.36 per share. | 15 Apr 2020 | 7,803 | 277,170 (0%) | 0% | 18.4 | 143,263 | Common Stock |
| Nektar Therapeutics | Robert B. Chess | Director | Sale of securities on an exchange or to another person at price $ 19.02 per share. | 15 Apr 2020 | 197 | 276,973 (0%) | 0% | 19.0 | 3,747 | Common Stock |
*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