Chang William H
Insider CIK 1594408 · SMLR Director, 10% owner · ENSC Director, 10% owner
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| SMLR Semler Scientific, Inc. | D To issuer deriv | 2026-01-16 | 2026-01-16 | 1,000 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer deriv | 2026-01-16 | 2026-01-16 | 500 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer deriv | 2026-01-16 | 2026-01-16 | 7,125 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer deriv | 2026-01-16 | 2026-01-16 | 3,560 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer deriv | 2026-01-16 | 2026-01-16 | 27,000 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer deriv | 2026-01-16 | 2026-01-16 | 4,000 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer | 2026-01-16 | 2026-01-16 | 241,508 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer | 2026-01-16 | 2026-01-16 | 154,074 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | D To issuer | 2026-01-16 | 2026-01-16 | 428,682 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2026-01-02 | 2026-01-02 | 4,000 | — | $0 | 4,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2025-12-15 | 2025-12-17 | 60,000 | — | $0 | 428,682 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2025-05-02 | 2025-05-05 | 3,560 | — | $0 | 3,560 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2025-05-02 | 2025-05-05 | 500 | — | $0 | 500 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2025-01-06 | 2025-01-07 | 7,125 | — | $0 | 7,125 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2025-01-06 | 2025-01-07 | 1,000 | — | $0 | 1,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2024-12-16 | 2024-12-17 | 2,735 | — | $0 | 439,660 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award | 2024-11-07 | 2025-01-07 | 1,318 | — | $0 | 1,318 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2024-11-07 | 2025-01-07 | 1,318 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2024-11-07 | 2025-01-07 | 1,318 | — | $0 | 445,895 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award | 2024-11-07 | 2024-11-12 | 1,318 | — | $0 | 3,500 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2024-05-24 | 2024-05-29 | 27,000 | — | $0 | 27,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2024-05-10 | 2025-01-07 | 2,182 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2024-05-10 | 2025-01-07 | 2,182 | — | $0 | 444,577 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award | 2024-05-10 | 2024-05-14 | 2,182 | — | $0 | 2,182 | SEC↗ |
| ENSC Ensysce Biosciences, Inc. | A Award deriv | 2022-06-23 | 2022-06-27 | 15,000 | — | $0 | 35,000 | SEC↗ |
| ENSC Ensysce Biosciences, Inc. | A Award deriv | 2022-02-04 | 2022-02-04 | 20,000 | — | $0 | 20,000 | SEC↗ |
| ENSC Ensysce Biosciences, Inc. | A Award | 2021-06-30 | 2021-07-02 | 2,242,189 | — | $0 | 2,242,189 | SEC↗ |
| ENSC Ensysce Biosciences, Inc. | A Award | 2021-06-30 | 2021-07-02 | 353,451 | — | $0 | 353,451 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2021-06-04 | 2021-06-04 | 280 | $110.00 | $30.8K | 412,537 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2021-06-03 | 2021-06-04 | 2,720 | $110.82 | $301.4K | 412,817 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2021-06-02 | 2021-06-04 | 937 | $110.00 | $103.1K | 415,537 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2021-06-01 | 2021-06-02 | 25 | $111.50 | $2.8K | 416,474 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2021-06-01 | 2021-06-02 | 38 | $110.09 | $4.2K | 416,499 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2021-05-28 | 2021-06-02 | 1,000 | $110.00 | $110.0K | 416,537 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2021-04-19 | 2021-06-02 | 2,416 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2021-04-19 | 2021-06-02 | 2,416 | — | $0 | 2,416 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2020-01-23 | 2020-01-27 | 1,000 | $50.00 | $50.0K | 392,323 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2020-01-22 | 2020-01-23 | 5,451 | $50.04 | $272.8K | 393,323 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2020-01-21 | 2020-01-23 | 6,360 | $50.19 | $319.2K | 398,774 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2020-01-17 | 2020-01-23 | 6,000 | $50.00 | $300.0K | 405,134 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2019-10-09 | 2019-11-14 | 150,000 | — | $0 | 450,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2019-10-09 | 2019-11-14 | 150,000 | — | $0 | 450,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2019-10-09 | 2019-11-14 | 300,000 | — | $0 | 411,134 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2019-09-03 | 2019-11-14 | 300,000 | — | $0 | 300,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2019-09-03 | 2019-11-14 | 300,000 | — | $0 | 300,000 | SEC↗ |
| SMLR Semler Scientific, Inc. | G Gift | 2019-09-03 | 2019-11-14 | 600,000 | — | $0 | 711,134 | SEC↗ |
| SMLR Semler Scientific, Inc. | S Sale | 2019-05-06 | 2019-05-06 | 89,285 | $44.00 | $3.93M | 1,311,134 | SEC↗ |
| SMLR Semler Scientific, Inc. | X Exercise deriv | 2018-10-01 | 2018-10-03 | 134,616 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | X Exercise | 2018-10-01 | 2018-10-03 | 134,616 | $2.60 | $350.0K | 1,400,419 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2018-04-20 | 2018-06-07 | 23,975 | $8.34 | $200.0K | 1,241,828 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2018-04-20 | 2018-06-07 | 23,975 | $8.34 | $200.0K | 1,265,803 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2018-04-20 | 2018-06-07 | 23,975 | $8.34 | $200.0K | 1,217,853 | SEC↗ |
| SMLR Semler Scientific, Inc. | X Exercise deriv | 2017-12-07 | 2018-03-01 | 114,286 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | X Exercise deriv | 2017-12-07 | 2018-03-01 | 114,286 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | X Exercise | 2017-12-07 | 2018-03-01 | 114,286 | $1.75 | $200.0K | 1,079,592 | SEC↗ |
| SMLR Semler Scientific, Inc. | X Exercise | 2017-12-07 | 2018-03-01 | 114,286 | $1.75 | $200.0K | 1,193,878 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy deriv | 2017-05-02 | 2017-05-04 | 134,616 | — | $0 | 134,616 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2016-01-21 | 2016-01-25 | 114,286 | — | $0 | 114,286 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2016-01-15 | 2016-01-20 | 114,268 | — | $0 | 114,268 | SEC↗ |
| SMLR Semler Scientific, Inc. | A Award deriv | 2016-01-15 | 2016-01-25 | 114,286 | — | $0 | 114,286 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2015-07-15 | 2015-07-20 | 33,333 | $3.00 | $100.0K | 965,306 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2015-03-02 | 2015-03-03 | 62,500 | $4.10 | $256.2K | 931,973 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2015-02-24 | 2015-02-26 | 55,000 | $4.52 | $248.6K | 869,473 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 37,500 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 37,500 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | C Conversion deriv | 2014-02-26 | 2014-02-27 | 64,583 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 83,334 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 92,501 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 54,167 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 48,437 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 38,889 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | C Conversion deriv | 2014-02-26 | 2014-02-27 | 41,667 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | C Conversion deriv | 2014-02-26 | 2014-02-27 | 417,781 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 44,445 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise deriv | 2014-02-26 | 2014-02-27 | 20,844 | — | $0 | 0 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 92,501 | $4.50 | $416.3K | 858,040 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 83,334 | $4.50 | $375.0K | 765,539 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 38,889 | $4.50 | $175.0K | 682,205 | SEC↗ |
| SMLR Semler Scientific, Inc. | C Conversion | 2014-02-26 | 2014-02-27 | 41,667 | — | $0 | 634,316 | SEC↗ |
| SMLR Semler Scientific, Inc. | C Conversion | 2014-02-26 | 2014-02-27 | 64,583 | — | $0 | 601,649 | SEC↗ |
| SMLR Semler Scientific, Inc. | C Conversion | 2014-02-26 | 2014-02-27 | 417,781 | — | $0 | 537,066 | SEC↗ |
| SMLR Semler Scientific, Inc. | F Tax w/h | 2014-02-26 | 2014-02-27 | 286,460 | $7.00 | $2.01M | 814,473 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 48,437 | $4.00 | $193.7K | 1,100,933 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 20,844 | $4.00 | $83.4K | 1,052,496 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 44,445 | $4.50 | $200.0K | 1,031,652 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 37,500 | $4.50 | $168.8K | 987,207 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 37,500 | $4.50 | $168.8K | 949,707 | SEC↗ |
| SMLR Semler Scientific, Inc. | M Exercise | 2014-02-26 | 2014-02-27 | 54,167 | $4.50 | $243.8K | 912,207 | SEC↗ |
| SMLR Semler Scientific, Inc. | P Buy | 2014-02-20 | 2014-02-21 | 89,285 | $7.00 | $625.0K | 119,285 | SEC↗ |