Webster Stephen W
Insider CIK 1438421 · ELOX Director · OPTR Chief Financial Officer · VKTX Director · ONCE Chief Financial Officer · NBRV Director · GRTS Director · NXTC Director · NBRV Director · TCRR Director · CGEM Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| NXTC NextCure, Inc. | A Award deriv | 2026-06-18 | 2026-06-22 | 2,340 | — | $0 | 2,340 | SEC↗ |
| CGEM Cullinan Therapeutics, Inc | A Award deriv | 2026-06-16 | 2026-06-18 | 25,319 | — | $0 | 25,319 | SEC↗ |
| ELOX Eloxx Pharmaceuticals, Inc | A Award deriv | 2026-06-08 | 2026-06-10 | 13,587 | — | $0 | 13,587 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2025-06-20 | 2025-06-24 | 18,700 | — | $0 | 18,700 | SEC↗ |
| CGEM Cullinan Therapeutics, Inc | A Award deriv | 2025-06-12 | 2025-06-16 | 38,513 | — | $0 | 38,513 | SEC↗ |
| GRTS Gritstone bio, Inc. | J Other deriv | 2025-04-04 | 2025-04-08 | 7,379 | — | $0 | 0 | SEC↗ |
| GRTS Gritstone bio, Inc. | J Other deriv | 2025-04-04 | 2025-04-08 | 103,600 | — | $0 | 0 | SEC↗ |
| GRTS Gritstone bio, Inc. | J Other | 2025-04-04 | 2025-04-08 | 25,000 | — | $0 | 0 | SEC↗ |
| CGEM Cullinan Therapeutics, Inc | A Award deriv | 2024-06-26 | 2024-06-27 | 15,806 | — | $0 | 15,806 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2024-06-20 | 2024-06-21 | 18,700 | — | $0 | 18,700 | SEC↗ |
| GRTS Gritstone bio, Inc. | A Award deriv | 2024-06-17 | 2024-06-20 | 7,379 | — | $0 | 7,379 | SEC↗ |
| GRTS Gritstone bio, Inc. | A Award deriv | 2024-04-26 | 2024-04-30 | 103,600 | — | $0 | 103,600 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2023-06-22 | 2023-06-23 | 14,250 | — | $0 | 14,250 | SEC↗ |
| CGEM Cullinan Oncology, Inc. | A Award deriv | 2023-06-08 | 2023-06-12 | 18,450 | — | $0 | 18,450 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | D To issuer deriv | 2023-06-01 | 2023-06-01 | 12,100 | — | $0 | 0 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | D To issuer deriv | 2023-06-01 | 2023-06-01 | 12,100 | — | $0 | 0 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | D To issuer deriv | 2023-06-01 | 2023-06-01 | 10,482 | — | $0 | 0 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | D To issuer deriv | 2023-06-01 | 2023-06-01 | 16,800 | — | $0 | 0 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | A Award deriv | 2022-12-15 | 2022-12-19 | 16,800 | — | $0 | 16,800 | SEC↗ |
| NBRV Nabriva Therapeutics plc | S Sale | 2022-08-02 | 2022-08-04 | 7,826 | $0.19 | $1.5K | 11,447 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2022-06-23 | 2022-06-24 | 14,250 | — | $0 | 14,250 | SEC↗ |
| CGEM Cullinan Oncology, Inc. | A Award deriv | 2022-06-22 | 2022-06-23 | 16,475 | — | $0 | 16,475 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | A Award deriv | 2021-12-09 | 2021-12-10 | 12,100 | — | $0 | 12,100 | SEC↗ |
| CGEM Cullinan Oncology, Inc. | A Award deriv | 2021-09-16 | 2022-03-25 | 7,800 | — | $0 | 7,800 | SEC↗ |
| NBRV Nabriva Therapeutics plc | S Sale | 2021-08-02 | 2021-08-04 | 777 | $1.20 | $932 | 19,273 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award deriv | 2021-07-28 | 2021-07-30 | 35,000 | — | $0 | 35,000 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award | 2021-07-28 | 2021-07-30 | 17,500 | — | $0 | 20,050 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2021-06-24 | 2021-06-28 | 14,250 | — | $0 | 14,250 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | A Award deriv | 2020-12-10 | 2020-12-11 | 12,100 | — | $0 | 12,100 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award deriv | 2020-07-29 | 2020-07-31 | 35,000 | — | $0 | 35,000 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award | 2020-07-29 | 2020-07-31 | 17,500 | — | $0 | 25,500 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2020-06-11 | 2020-06-15 | 14,250 | — | $0 | 14,250 | SEC↗ |
| TCRR TCR2 THERAPEUTICS INC. | A Award deriv | 2020-04-30 | 2020-05-04 | 10,482 | — | $0 | 10,482 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | A Award deriv | 2020-01-02 | 2020-01-03 | 22,000 | — | $0 | 22,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 25,000 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 28,000 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 35,000 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 60,000 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 106,015 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 19,500 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | D To issuer deriv | 2019-12-17 | 2019-12-17 | 55,000 | — | $0 | 0 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | U Tender | 2019-12-17 | 2019-12-17 | 6,102 | $114.50 | $698.7K | 0 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award deriv | 2019-07-31 | 2019-08-01 | 35,000 | — | $0 | 35,000 | SEC↗ |
| NXTC NextCure, Inc. | A Award deriv | 2019-06-13 | 2019-06-17 | 22,000 | — | $0 | 22,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2019-01-18 | 2019-01-23 | 2,000 | — | $0 | 6,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2019-01-18 | 2019-01-23 | 1,750 | — | $0 | 3,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | F Tax w/h | 2019-01-18 | 2019-01-23 | 634 | $45.08 | $28.6K | 4,731 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2019-01-18 | 2019-01-23 | 1,750 | — | $0 | 5,365 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2019-01-18 | 2019-01-23 | 2,000 | — | $0 | 6,731 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | F Tax w/h | 2019-01-18 | 2019-01-23 | 629 | $45.08 | $28.4K | 6,102 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2019-01-15 | 2019-01-17 | 10,000 | — | $0 | 10,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2019-01-15 | 2019-01-17 | 35,000 | — | $0 | 35,000 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | A Award deriv | 2019-01-02 | 2019-01-03 | 22,000 | — | $0 | 22,000 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | P Buy | 2018-05-29 | 2018-05-31 | 8,000 | $5.21 | $41.7K | 8,000 | SEC↗ |
| NBRV Nabriva Therapeutics plc | P Buy | 2018-05-23 | 2018-05-23 | 8,000 | $4.59 | $36.7K | 8,000 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award deriv | 2018-05-02 | 2018-05-04 | 29,000 | — | $0 | 29,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2018-01-18 | 2018-01-22 | 28,000 | — | $0 | 28,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2018-01-18 | 2018-01-22 | 1,750 | — | $0 | 5,250 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2018-01-18 | 2018-01-22 | 8,000 | — | $0 | 8,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2018-01-18 | 2018-01-22 | 1,750 | — | $0 | 4,250 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | F Tax w/h | 2018-01-18 | 2018-01-22 | 635 | $50.55 | $32.1K | 3,615 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | A Award deriv | 2018-01-02 | 2018-01-03 | 16,000 | — | $0 | 16,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2017-11-16 | 2017-11-20 | 10,000 | — | $0 | 106,015 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2017-11-16 | 2017-11-20 | 10,000 | $70.14 | $701.4K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2017-11-16 | 2017-11-20 | 10,000 | $3.45 | $34.5K | 12,500 | SEC↗ |
| NBRV Nabriva Therapeutics plc | A Award deriv | 2017-09-15 | 2017-09-19 | 10,100 | — | $0 | 10,100 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2017-08-15 | 2017-08-15 | 10,000 | — | $0 | 116,015 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2017-08-15 | 2017-08-15 | 10,000 | $3.45 | $34.5K | 12,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2017-08-15 | 2017-08-15 | 10,000 | $79.38 | $793.8K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2017-07-31 | 2017-08-02 | 2,337 | — | $0 | 126,015 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2017-07-31 | 2017-08-02 | 2,337 | $71.12 | $166.2K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2017-07-31 | 2017-08-02 | 2,337 | $3.45 | $8.1K | 4,837 | SEC↗ |
| NBRV Nabriva Therapeutics Plc | J Other deriv | 2017-06-23 | 2017-06-27 | 20,200 | — | $0 | 20,200 | SEC↗ |
| NBRV Nabriva Therapeutics Plc | J Other deriv | 2017-06-23 | 2017-06-27 | 10,100 | — | $0 | 10,100 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2017-06-19 | 2017-06-21 | 7,663 | — | $0 | 128,352 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2017-06-19 | 2017-06-21 | 7,663 | $3.45 | $26.4K | 10,163 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2017-06-19 | 2017-06-21 | 7,663 | $60.00 | $459.8K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2017-04-25 | 2017-04-26 | 8,102 | — | $0 | 136,015 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2017-04-25 | 2017-04-26 | 8,102 | $55.22 | $447.4K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2017-04-25 | 2017-04-26 | 8,102 | $3.45 | $28.0K | 10,602 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2017-04-24 | 2017-04-26 | 1,898 | — | $0 | 144,117 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2017-04-24 | 2017-04-26 | 1,898 | $55.00 | $104.4K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2017-04-24 | 2017-04-26 | 1,898 | $3.45 | $6.5K | 4,398 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2017-01-18 | 2017-01-20 | 25,000 | — | $0 | 25,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2017-01-18 | 2017-01-20 | 7,000 | — | $0 | 7,000 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | A Award deriv | 2017-01-03 | 2017-01-05 | 16,000 | — | $0 | 16,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2016-05-20 | 2016-05-24 | 20,000 | — | $0 | 146,015 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2016-05-20 | 2016-05-24 | 9,000 | $50.38 | $453.4K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2016-05-20 | 2016-05-24 | 11,000 | $50.40 | $554.4K | 11,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2016-05-20 | 2016-05-24 | 20,000 | $3.45 | $69.0K | 22,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2016-01-05 | 2016-01-07 | 55,000 | — | $0 | 55,000 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | A Award deriv | 2016-01-04 | 2016-01-06 | 16,000 | — | $0 | 16,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise deriv | 2015-10-07 | 2015-10-09 | 20,000 | — | $0 | 166,015 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | S Sale | 2015-10-07 | 2015-10-09 | 20,000 | $48.86 | $977.2K | 2,500 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | M Exercise | 2015-10-07 | 2015-10-09 | 20,000 | $3.45 | $69.0K | 22,500 | SEC↗ |
| VKTX Viking Therapeutics, Inc. | A Award deriv | 2015-04-28 | 2015-04-30 | 20,786 | — | $0 | 20,786 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | A Award deriv | 2015-03-16 | 2015-03-18 | 60,000 | — | $0 | 60,000 | SEC↗ |
| ONCE Spark Therapeutics, Inc. | P Buy | 2015-02-04 | 2015-02-06 | 2,500 | $23.00 | $57.5K | 2,500 | SEC↗ |
| OPTR OPTIMER PHARMACEUTICALS IN | D To issuer deriv | 2013-10-24 | 2013-10-28 | 60,000 | $2.06 | $123.6K | 0 | SEC↗ |
| OPTR OPTIMER PHARMACEUTICALS IN | D To issuer | 2013-10-24 | 2013-10-28 | 16,666 | $10.75 | $179.2K | 0 | SEC↗ |
| OPTR OPTIMER PHARMACEUTICALS IN | D To issuer | 2013-10-24 | 2013-10-28 | 8,334 | $10.75 | $89.6K | 16,666 | SEC↗ |
| OPTR OPTIMER PHARMACEUTICALS IN | A Award deriv | 2013-02-26 | 2013-02-28 | 60,000 | — | $0 | 60,000 | SEC↗ |
| OPTR OPTIMER PHARMACEUTICALS IN | A Award deriv | 2012-06-29 | 2012-07-02 | 100,000 | — | $0 | 100,000 | SEC↗ |
| OPTR OPTIMER PHARMACEUTICALS IN | A Award | 2012-06-29 | 2012-07-02 | 25,000 | — | $0 | 25,000 | SEC↗ |