Huber Martin H. Jr.
Insider CIK 1653276 · SNDX Director · MRSN President, CEO, Director · TSRO Sr. VP, Chief Medical Officer · ACTU Director · XLO President of R&D and CMO
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| ACTU ACTUATE THERAPEUTICS, INC. | A Award deriv | 2026-05-21 | 2026-05-22 | 15,000 | — | $0 | 15,000 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | A Award | 2026-02-04 | 2026-02-06 | 24,000 | — | $0 | 103,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 26,713 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 5,938 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 1,923 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 99 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 1,002 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 407 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 1,800 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 135 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 734 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 179 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 12,121 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 27,878 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 364 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 7,256 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 1,328 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 13,340 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 7,467 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | D To issuer deriv | 2026-01-06 | 2026-01-06 | 497 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | U Tender | 2026-01-06 | 2026-01-06 | 9,573 | — | $0 | 0 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | S Sale | 2025-09-12 | 2025-09-15 | 2,012 | $7.31 | $14.7K | 9,572 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | M Exercise deriv | 2025-09-11 | 2025-09-15 | 6,670 | — | $0 | 13,340 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | M Exercise | 2025-09-11 | 2025-09-15 | 6,670 | — | $0 | 11,584 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | P Buy | 2025-05-19 | 2025-05-19 | 5,000 | $8.99 | $45.0K | 79,000 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | A Award | 2025-02-05 | 2025-02-07 | 25,000 | — | $0 | 74,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | S Sale | 2025-01-16 | 2025-01-17 | 4,514 | $0.58 | $2.6K | 122,875 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2025-01-15 | 2025-01-17 | 816,300 | — | $0 | 816,300 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2025-01-15 | 2025-01-17 | 181,400 | — | $0 | 181,400 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | M Exercise deriv | 2025-01-15 | 2025-01-17 | 11,062 | — | $0 | 33,188 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | M Exercise | 2025-01-15 | 2025-01-17 | 11,062 | — | $0 | 127,389 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | S Sale | 2024-09-12 | 2024-09-13 | 50,423 | $1.76 | $88.7K | 116,327 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | M Exercise deriv | 2024-09-11 | 2024-09-13 | 166,750 | — | $0 | 500,250 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | M Exercise | 2024-09-11 | 2024-09-13 | 166,750 | — | $0 | 166,750 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | A Award | 2024-02-07 | 2024-02-09 | 17,000 | — | $0 | 49,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2024-01-15 | 2024-01-17 | 44,250 | — | $0 | 44,250 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2024-01-15 | 2024-01-17 | 199,125 | — | $0 | 199,125 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2023-10-02 | 2023-10-04 | 9,102 | — | $0 | 9,102 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2023-09-11 | 2023-09-13 | 1,000,000 | — | $0 | 1,000,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2023-09-11 | 2023-09-13 | 667,000 | — | $0 | 667,000 | SEC↗ |
| XLO Xilio Therapeutics, Inc. | A Award deriv | 2023-08-16 | 2023-08-18 | 136,500 | — | $0 | 136,500 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2023-07-03 | 2023-07-06 | 4,477 | — | $0 | 4,477 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2023-06-08 | 2023-06-12 | 18,355 | — | $0 | 18,355 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award | 2023-06-08 | 2023-06-12 | 14,467 | — | $0 | 14,467 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2023-04-03 | 2023-04-05 | 3,375 | — | $0 | 3,375 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | A Award | 2023-02-02 | 2023-02-03 | 16,000 | — | $0 | 32,000 | SEC↗ |
| XLO Xilio Therapeutics, Inc. | A Award deriv | 2023-01-01 | 2023-01-04 | 136,500 | — | $0 | 136,500 | SEC↗ |
| XLO Xilio Therapeutics, Inc. | A Award deriv | 2022-06-15 | 2022-06-17 | 20,000 | — | $0 | 20,000 | SEC↗ |
| XLO Xilio Therapeutics, Inc. | A Award deriv | 2022-06-15 | 2022-06-23 | 20,000 | — | $0 | 20,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2022-06-09 | 2022-06-10 | 45,000 | — | $0 | 45,000 | SEC↗ |
| XLO Xilio Therapeutics, Inc. | A Award deriv | 2022-02-22 | 2022-02-24 | 65,000 | — | $0 | 65,000 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | A Award | 2022-02-02 | 2022-02-03 | 16,000 | — | $0 | 16,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2022-01-03 | 2022-01-05 | 10,185 | — | $0 | 10,185 | SEC↗ |
| XLO Xilio Therapeutics, Inc. | A Award deriv | 2021-10-21 | 2021-10-25 | 157,058 | — | $0 | 157,058 | SEC↗ |
| SNDX Syndax Pharmaceuticals Inc | A Award deriv | 2021-09-15 | 2021-09-17 | 35,000 | $19.36 | $677.6K | 35,000 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2021-06-11 | 2021-06-15 | 25,050 | — | $0 | 25,050 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2021-01-15 | 2021-01-20 | 2,490 | — | $0 | 2,490 | SEC↗ |
| MRSN Mersana Therapeutics, Inc. | A Award deriv | 2020-04-13 | 2020-06-24 | 48,096 | — | $0 | 48,096 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 35,000 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 75,000 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 22,727 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 4,447 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 8,750 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 1,250 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 10,782 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | D To issuer deriv | 2019-01-22 | 2019-01-22 | 39,942 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | U Tender | 2019-01-22 | 2019-01-22 | 12,206 | $75.00 | $915.5K | 0 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2018-09-24 | 2018-09-25 | 371 | $37.63 | $14.0K | 12,206 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2018-09-21 | 2018-09-25 | 1,250 | — | $0 | 1,250 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2018-09-21 | 2018-09-25 | 1,250 | — | $0 | 12,577 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2018-03-02 | 2018-03-05 | 1,803 | $54.86 | $98.9K | 11,327 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2018-03-01 | 2018-03-05 | 1,483 | — | $0 | 4,447 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2018-03-01 | 2018-03-05 | 22,727 | — | $0 | 22,727 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2018-03-01 | 2018-03-05 | 39,942 | — | $0 | 39,942 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2018-03-01 | 2018-03-05 | 4,375 | — | $0 | 8,750 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2018-03-01 | 2018-03-05 | 1,483 | — | $0 | 13,130 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2018-03-01 | 2018-03-05 | 4,375 | — | $0 | 11,647 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2017-12-04 | 2017-12-05 | 829 | $85.24 | $70.7K | 7,272 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2017-12-01 | 2017-12-05 | 1,750 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2017-12-01 | 2017-12-05 | 1,750 | — | $0 | 8,101 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2017-11-16 | 2017-11-20 | 1,750 | — | $0 | 1,750 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2017-09-22 | 2017-09-25 | 592 | $118.60 | $70.2K | 6,351 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2017-09-21 | 2017-09-25 | 1,250 | — | $0 | 2,500 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2017-09-21 | 2017-09-25 | 1,250 | — | $0 | 6,943 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2017-04-03 | 2017-04-04 | 829 | $153.02 | $126.9K | 5,693 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2017-04-01 | 2017-04-04 | 1,750 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2017-04-01 | 2017-04-04 | 1,750 | — | $0 | 6,522 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2017-03-27 | 2017-03-29 | 1,750 | — | $0 | 1,750 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2017-03-02 | 2017-03-03 | 1,428 | $177.61 | $253.6K | 4,772 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2017-03-01 | 2017-03-03 | 4,375 | — | $0 | 13,125 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2017-03-01 | 2017-03-03 | 5,930 | — | $0 | 5,930 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2017-03-01 | 2017-03-03 | 10,782 | — | $0 | 10,782 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2017-03-01 | 2017-03-03 | 4,375 | — | $0 | 6,200 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2017-01-03 | 2017-01-03 | 190 | $136.26 | $25.9K | 0 | SEC↗ |
| TSRO TESARO, Inc. | A Award | 2017-01-01 | 2017-01-03 | 500 | — | $0 | 0 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2016-11-02 | 2016-11-03 | 327 | $121.29 | $39.7K | 1,515 | SEC↗ |
| TSRO TESARO, Inc. | A Award | 2016-11-01 | 2016-11-03 | 1,000 | — | $0 | 1,842 | SEC↗ |
| TSRO TESARO, Inc. | S Sale | 2016-09-22 | 2016-09-23 | 408 | $108.12 | $44.1K | 842 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise deriv | 2016-09-21 | 2016-09-23 | 1,250 | — | $0 | 3,750 | SEC↗ |
| TSRO TESARO, Inc. | M Exercise | 2016-09-21 | 2016-09-23 | 1,250 | — | $0 | 1,250 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2016-03-01 | 2016-03-03 | 17,500 | — | $0 | 17,500 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2016-03-01 | 2016-03-03 | 35,000 | — | $0 | 35,000 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2015-09-21 | 2015-09-22 | 75,000 | — | $0 | 75,000 | SEC↗ |
| TSRO TESARO, Inc. | A Award deriv | 2015-09-21 | 2015-09-22 | 5,000 | — | $0 | 5,000 | SEC↗ |