Andrew A. F. Hack's most recent trade in Mersana Therapeutics Inc was a trade of 61,500 Stock Option (right to buy) done . Disclosure was reported to the exchange on June 12, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Jun 2025 | 61,500 | 61,500 | - | - | Stock Option (right to buy) | |
| Nuvalent Inc - Ordinary Sh... | Hack A. F. Andrew | Director | Sale of securities on an exchange or to another person at price $ 88.00 per share. | 11 Dec 2024 | 1,250,000 | 1,447,267 | - | 88 | 110,000,000 | Class A Common Stock |
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Jun 2024 | 3,789 | 3,789 | - | - | Stock Option (right to buy) | |
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Jun 2024 | 2,499 | 2,499 | - | - | Class A Common Stock | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Jun 2024 | 55,000 | 55,000 | - | - | Stock Option (right to buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 14.39 per share. | 08 Aug 2023 | 1,500,000 | 915,000 (1%) | 1% | 14.4 | 21,585,000 | Common Stock |
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Jun 2023 | 15,000 | 15,000 | - | - | Stock Option (Right to Buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 12.68 per share. | 14 Jun 2023 | 500,000 | 2,415,000 (2%) | 0% | 12.7 | 6,340,000 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Jun 2023 | 18,355 | 18,355 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Jun 2023 | 14,467 | 14,467 (0%) | 0% | 0 | Common Stock | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 May 2023 | 22,500 | 22,500 | - | - | Stock Option (Right to Buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 May 2023 | 5,357 | 10,714 (0%) | 0% | 0 | Common Stock | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 10.55 per share. | 18 May 2023 | 1,000,000 | 2,915,000 (3%) | 1% | 10.6 | 10,550,000 | Common Stock |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 11.60 per share. | 06 Dec 2022 | 1,500,000 | 3,915,000 (4%) | 1% | 11.6 | 17,400,000 | Common Stock |
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 33.50 per share. | 03 Nov 2022 | 149,253 | 3,577,267 | - | 33.5 | 4,999,976 | Class A Common Stock |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 14.68 per share. | 15 Aug 2022 | 3,000,000 | 5,415,000 (6%) | 3% | 14.7 | 44,040,000 | Common Stock |
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Jun 2022 | 20,000 | 20,000 | - | - | Stock Option (Right to Buy) | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Jun 2022 | 45,000 | 45,000 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.28 per share. | 31 May 2022 | 80,759 | 8,648,913 (19%) | 0% | 3.3 | 264,776 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.20 per share. | 31 May 2022 | 14,760 | 8,663,673 (19%) | 0% | 3.2 | 47,182 | Common Stock |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 May 2022 | 22,500 | 22,500 | - | - | Option (Right to Buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 May 2022 | 5,357 | 5,357 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.29 per share. | 24 May 2022 | 100,000 | 8,402,999 (18%) | 0% | 3.3 | 328,990 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.17 per share. | 24 May 2022 | 90,155 | 8,493,154 (18%) | 0% | 3.2 | 286,242 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.19 per share. | 24 May 2022 | 75,000 | 8,568,154 (18%) | 0% | 3.2 | 238,943 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.49 per share. | 19 May 2022 | 100,000 | 8,187,400 (18%) | 0% | 3.5 | 348,620 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.46 per share. | 19 May 2022 | 100,000 | 8,287,400 (18%) | 0% | 3.5 | 345,570 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.35 per share. | 19 May 2022 | 15,599 | 8,302,999 (18%) | 0% | 3.3 | 52,247 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.35 per share. | 16 May 2022 | 211,268 | 8,087,400 (17%) | 0% | 3.3 | 707,262 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.10 per share. | 16 May 2022 | 135,292 | 7,872,692 (17%) | 0% | 3.1 | 419,446 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 3.18 per share. | 16 May 2022 | 3,440 | 7,876,132 (17%) | 0% | 3.2 | 10,952 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 4.05 per share. | 13 Apr 2022 | 617,284 | 7,737,400 (17%) | 1% | 4.0 | 2,500,000 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 4.18 per share. | 12 Apr 2022 | 598,086 | 7,120,116 (15%) | 1% | 4.2 | 2,499,880 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 4.42 per share. | 07 Feb 2022 | 1,136,363 | 6,522,030 (14%) | 2% | 4.4 | 5,022,724 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2022 | 10,995 | 10,995 | - | - | Stock Option (Right to Buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 10.80 per share. | 09 Aug 2021 | 2,250,000 | 8,524,000 (10%) | 2% | 10.8 | 24,300,000 | Common Stock |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | 09 Aug 2021 | 2,249,000 | 10,774,000 (12%) | 2% | 0 | Common Stock | ||
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | 09 Aug 2021 | 2,249 | 1,891 | - | - | Series B Convertible Preferred Stock | ||
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | 02 Aug 2021 | 14,494,154 | 0 | - | - | Series B Preferred Stock | ||
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | 02 Aug 2021 | 2,693,014 | 2,693,014 | - | - | Class A Common Stock | ||
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 17.00 per share. | 02 Aug 2021 | 735,000 | 3,428,014 | - | 17 | 12,495,000 | Class A Common Stock |
| Nuvalent Inc - Ordinary Sh... | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Jul 2021 | 43,000 | 43,000 | - | - | Stock Option (Right to Buy) | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Jun 2021 | 25,050 | 25,050 | - | - | Stock Option (right to buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 10 Jun 2021 | 2,916,250 | 0 | - | - | Warrants (Right to Buy) | |
| Dynavax Technologies Corp. | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 May 2021 | 25,000 | 25,000 | - | - | Stock Option (Right to Buy) | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Jan 2021 | 2,971 | 2,971 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 18.39 per share. | 08 Jan 2021 | 100,000 | 3,545,667 (7%) | 0% | 18.4 | 1,839,000 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 18.52 per share. | 08 Jan 2021 | 75,000 | 3,620,667 (7%) | 0% | 18.5 | 1,389,000 | Common Stock |
| Mersana Therapeutics Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 18.16 per share. | 08 Jan 2021 | 75,000 | 3,695,667 (8%) | 0% | 18.2 | 1,362,000 | Common Stock |
| Atea Pharmaceuticals Inc | Andrew A. F. Hack | Director | 03 Nov 2020 | 5,365,659 | 5,365,659 | - | - | Common Stock | ||
| Atea Pharmaceuticals Inc | Andrew A. F. Hack | Director | 03 Nov 2020 | 3,383,190 | 0 | - | - | Series D Convertible Preferred Stock | ||
| Atea Pharmaceuticals Inc | Andrew A. F. Hack | Director | 03 Nov 2020 | 1,982,469 | 0 | - | - | Series D-1 Convertible Preferred Stock | ||
| Atea Pharmaceuticals Inc | Andrew A. F. Hack | Director | Purchase of securities on an exchange or from another person at price $ 24.00 per share. | 03 Nov 2020 | 250,000 | 5,615,659 | - | 24 | 6,000,000 | Common Stock |
| Atea Pharmaceuticals Inc | Andrew A. F. Hack | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Oct 2020 | 80,000 | 80,000 | - | - | Stock Option (Right to Buy) |