B. Lowinger Timothy's most recent trade in Mersana Therapeutics Inc was a trade of 243,750 Stock Option (Right to Buy) done . Disclosure was reported to the exchange on Jan. 15, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Jan 2025 | 243,750 | 243,750 | - | - | Stock Option (Right to Buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Jan 2025 | 54,167 | 54,167 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jan 2025 | 12,500 | 265,721 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jan 2025 | 12,500 | 37,500 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Sale of securities on an exchange or to another person at price $ 0.58 per share. | 15 Jan 2025 | 8,048 | 257,673 (0%) | 0% | 0.6 | 4,668 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jan 2025 | 7,291 | 253,221 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jan 2025 | 7,291 | 0 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Jan 2025 | 4,792 | 4,791 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Jan 2025 | 4,792 | 247,724 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Sale of securities on an exchange or to another person at price $ 0.63 per share. | 14 Jan 2025 | 1,794 | 245,930 (0%) | 0% | 0.6 | 1,130 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2025 | 9,375 | 18,750 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2025 | 9,375 | 246,415 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Sale of securities on an exchange or to another person at price $ 0.66 per share. | 13 Jan 2025 | 3,483 | 242,932 (0%) | 0% | 0.7 | 2,299 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Oct 2024 | 50,000 | 0 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Oct 2024 | 50,000 | 249,329 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Sale of securities on an exchange or to another person at price $ 2.00 per share. | 01 Oct 2024 | 8,089 | 241,240 (0%) | 0% | 2 | 16,178 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Sale of securities on an exchange or to another person at price $ 1.96 per share. | 01 Oct 2024 | 5,598 | 235,642 (0%) | 0% | 2.0 | 10,972 | Common Stock |
| Mersana Therapeutics Inc | Timothy Lowinger B. | SVP, Chief Sci.&Tech. Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2024 | 225,000 | 225,000 | - | - | Stock Option (Right to Buy) | |
| Mersana Therapeutics Inc | B. Lowinger Timothy | SVP, Chief Sci.&Tech. Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2024 | 50,000 | 50,000 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Sale of securities on an exchange or to another person at price $ 2.71 per share. | 13 Jan 2024 | 10,409 | 199,329 (0%) | 0% | 2.7 | 28,208 | Common Stock |
| Mersana Therapeutics Inc | Lowinger B. Timothy | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 9,375 | 28,125 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | B. Timothy Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 9,375 | 189,738 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy Lowinger B. | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 7,916 | 0 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 7,916 | 209,738 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Lowinger Timothy B. | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 7,292 | 7,291 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | B. Timothy Lowinger | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 7,292 | 201,822 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | B. Lowinger Timothy | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 4,792 | 194,530 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Lowinger B. Timothy | SVP, Chief Sci.&Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2024 | 4,792 | 9,583 | - | - | Restricted Stock Unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2023 | 168,750 | 168,750 | - | - | Stock option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2023 | 37,500 | 37,500 | - | - | Restricted stock unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2023 | 7,917 | 7,916 | - | - | Restricted stock unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2023 | 7,917 | 186,596 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2023 | 7,292 | 14,583 | - | - | Restricted stock unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2023 | 7,292 | 178,679 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Sale of securities on an exchange or to another person at price $ 5.74 per share. | 13 Jan 2023 | 6,233 | 180,363 (0%) | 0% | 5.7 | 35,777 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2023 | 4,792 | 14,375 | - | - | Restricted stock unit | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | SVP, Chief Sci.&Tech. Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jan 2023 | 4,792 | 171,387 (0%) | 0% | 0 | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech Off. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Jan 2022 | 86,250 | 86,250 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech Off. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Jan 2022 | 19,167 | 19,167 | - | - | Restricted Stock Units | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Jan 2022 | 15,209 | 135,975 (0%) | 0% | - | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Jan 2022 | 7,917 | 15,833 | - | - | Restricted Stock Units | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech Off. | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Jan 2022 | 7,292 | 21,875 | - | - | Restricted Stock Units | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech Off. | Sale of securities on an exchange or to another person at price $ 5.92 per share. | 14 Jan 2022 | 4,741 | 131,234 (0%) | 0% | 5.9 | 28,067 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.40 per share. | 20 Dec 2021 | 45,593 | 120,766 (0%) | 0% | 1.4 | 63,830 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Dec 2021 | 45,593 | 0 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 11.01 per share. | 20 Aug 2021 | 2,216 | 75,173 (0%) | 0% | 11.0 | 24,398 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Aug 2021 | 2,216 | 77,195 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 20 Aug 2021 | 2,216 | 77,389 (0%) | 0% | 6.2 | 13,651 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 12.11 per share. | 20 Jul 2021 | 2,227 | 75,173 (0%) | 0% | 12.1 | 26,969 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Jul 2021 | 2,227 | 79,411 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 20 Jul 2021 | 2,227 | 77,400 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jul 2021 | 40,000 | 91,444 (0%) | 0% | - | Common Stock | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jul 2021 | 40,000 | 0 | - | - | Restricted Stock Units | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 12.02 per share. | 15 Jul 2021 | 8,496 | 75,173 (0%) | 0% | 12.0 | 102,122 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 12.47 per share. | 15 Jul 2021 | 7,775 | 83,669 (0%) | 0% | 12.5 | 96,954 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Jul 2021 | 20,000 | 45,593 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.40 per share. | 08 Jul 2021 | 20,000 | 51,444 (0%) | 0% | 1.4 | 28,000 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Sale of securities on an exchange or to another person at price $ 13.60 per share. | 01 Jul 2021 | 1,886 | 31,444 (0%) | 0% | 13.6 | 25,650 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jul 2021 | 1,877 | 10,303 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.51 per share. | 01 Jul 2021 | 1,877 | 33,321 (0%) | 0% | 3.5 | 6,588 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jul 2021 | 9 | 81,638 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | CS & Technology Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. | 01 Jul 2021 | 9 | 33,330 (0%) | 0% | 6.1 | 55 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 21 Jun 2021 | 2,218 | 81,647 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 13.78 per share. | 21 Jun 2021 | 2,218 | 31,444 (0%) | 0% | 13.8 | 30,564 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 21 Jun 2021 | 2,218 | 33,662 (0%) | 0% | 6.2 | 13,663 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.50 per share. | 21 Jun 2021 | 2 | 31,446 (0%) | 0% | 3.5 | 7 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 14.00 per share. | 21 Jun 2021 | 2 | 31,444 (0%) | 0% | 14 | 28 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 21 Jun 2021 | 2 | 12,180 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 May 2021 | 2,227 | 83,865 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 14.10 per share. | 20 May 2021 | 2,227 | 31,444 (0%) | 0% | 14.1 | 31,401 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 20 May 2021 | 2,227 | 33,671 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 14.10 per share. | 20 May 2021 | 1,875 | 31,444 (0%) | 0% | 14.1 | 26,438 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 May 2021 | 1,875 | 12,182 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.51 per share. | 20 May 2021 | 1,875 | 33,319 (0%) | 0% | 3.5 | 6,581 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 15.91 per share. | 20 Apr 2021 | 2,227 | 31,444 (0%) | 0% | 15.9 | 35,432 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Apr 2021 | 2,227 | 86,092 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 20 Apr 2021 | 2,227 | 33,671 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 15.91 per share. | 20 Apr 2021 | 1,875 | 31,444 (0%) | 0% | 15.9 | 29,831 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 20 Apr 2021 | 1,875 | 14,057 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.51 per share. | 20 Apr 2021 | 1,875 | 33,319 (0%) | 0% | 3.5 | 6,581 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 22 Mar 2021 | 2,227 | 33,671 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 22 Mar 2021 | 2,227 | 33,671 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 17.50 per share. | 22 Mar 2021 | 2,227 | 31,444 (0%) | 0% | 17.5 | 38,973 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 17.50 per share. | 22 Mar 2021 | 2,227 | 31,444 (0%) | 0% | 17.5 | 38,973 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Mar 2021 | 2,227 | 90,546 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Mar 2021 | 2,227 | 88,319 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.51 per share. | 22 Mar 2021 | 1,875 | 33,319 (0%) | 0% | 3.5 | 6,581 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 17.50 per share. | 22 Mar 2021 | 1,875 | 31,444 (0%) | 0% | 17.5 | 32,813 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Mar 2021 | 1,875 | 15,932 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.51 per share. | 22 Mar 2021 | 1,874 | 33,318 (0%) | 0% | 3.5 | 6,578 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 17.50 per share. | 22 Mar 2021 | 1,874 | 31,444 (0%) | 0% | 17.5 | 32,795 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Mar 2021 | 1,874 | 17,807 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Feb 2021 | 2,227 | 92,773 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Feb 2021 | 2,227 | 95,000 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 20.01 per share. | 22 Feb 2021 | 2,227 | 31,444 (0%) | 0% | 20.0 | 44,562 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 22 Feb 2021 | 2,227 | 33,671 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 20.01 per share. | 22 Feb 2021 | 2,227 | 31,444 (0%) | 0% | 20.0 | 44,562 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.16 per share. | 22 Feb 2021 | 2,227 | 33,671 (0%) | 0% | 6.2 | 13,718 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Feb 2021 | 1,875 | 19,681 | - | - | Stock Option (right to buy) | |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Sale of securities on an exchange or to another person at price $ 20.01 per share. | 22 Feb 2021 | 1,875 | 31,444 (0%) | 0% | 20.0 | 37,519 | Common Stock |
| Mersana Therapeutics Inc | Timothy B. Lowinger | Chief Science & Tech. Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.51 per share. | 22 Feb 2021 | 1,875 | 33,319 (0%) | 0% | 3.5 | 6,581 | Common Stock |