Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| OPKO HEALTH, INC. | 437,500 | reported | 27 May 2025 | tx 80+4,976,229−1,097,067 |
| Vaxart, Inc. | 20,000 | reported | 12 May 2006 | tx 1+20,000 |
| VBI Vaccines Inc/BC | 12,500 | reported | 14 Jun 2018 | tx 6+112,500−25,000 |
| Xenetic Biosciences, Inc. | 2,500 | reported | 06 Dec 2023 | tx 10+152,500 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 27 May 2025 | GRANT_AWARD | OPKO HEALTH, INC. | 437,500 | 0.00 USD | deriv |
| 24 Jul 2024 | GRANT_AWARD | OPKO HEALTH, INC. | 437,500 | 0.00 USD | |
| 06 Dec 2023 | GRANT_AWARD | Xenetic Biosciences, Inc. | 2,500 | 0.00 USD | deriv |
| 18 May 2023 | GRANT_AWARD | OPKO HEALTH, INC. | 700,000 | 0.00 USD | deriv |
| 07 Dec 2022 | GRANT_AWARD | Xenetic Biosciences, Inc. | 25,000 | 0.00 USD | deriv |
| 07 Dec 2021 | GRANT_AWARD | Xenetic Biosciences, Inc. | 25,000 | 0.00 USD | deriv |
| 19 Feb 2021 | GRANT_AWARD | OPKO HEALTH, INC. | 350,000 | 0.00 USD | deriv |
| 04 Dec 2020 | GRANT_AWARD | Xenetic Biosciences, Inc. | 25,000 | 0.00 USD | deriv |
| 04 Jun 2020 | GRANT_AWARD | OPKO HEALTH, INC. | 350,000 | 0.00 USD | deriv |
| 04 Dec 2019 | GRANT_AWARD | Xenetic Biosciences, Inc. | 25,000 | 0.00 USD | deriv |
| 01 Jul 2019 | GRANT_AWARD | OPKO HEALTH, INC. | 250,000 | 0.00 USD | deriv |
| 09 May 2019 | PURCHASE | OPKO HEALTH, INC. | 3,150 | 2.04 USD | |
| 09 May 2019 | PURCHASE | OPKO HEALTH, INC. | 100 | 2.04 USD | first after silence |
| 28 Nov 2018 | GRANT_AWARD | Xenetic Biosciences, Inc. | 25,000 | 0.00 USD | deriv |
| 21 Jun 2018 | GRANT_AWARD | OPKO HEALTH, INC. | 300,000 | 0.00 USD | deriv |
| 14 Jun 2018 | EXERCISE | VBI Vaccines Inc/BC | 12,500 | — | |
| 14 Jun 2018 | EXERCISE | VBI Vaccines Inc/BC | 12,500 | — | deriv |
| 08 Jun 2018 | EXERCISE | OPKO HEALTH, INC. | 75,000 | 3.43 USD | |
| 08 Jun 2018 | TAX_WITHHOLDING | OPKO HEALTH, INC. | 63,946 | 4.26 USD | |
| 08 Jun 2018 | EXERCISE | OPKO HEALTH, INC. | 75,000 | 0.00 USD | deriv |
| 13 Mar 2018 | PURCHASE | OPKO HEALTH, INC. | 2,015 | 3.40 USD | |
| 13 Mar 2018 | PURCHASE | OPKO HEALTH, INC. | 50 | 3.40 USD | |
| 23 Jan 2018 | GRANT_AWARD | VBI Vaccines Inc/BC | 75,000 | 0.00 USD | deriv |
| 11 Oct 2017 | GRANT_AWARD | Xenetic Biosciences, Inc. | 6,250 | 0.00 USD | deriv |
| 11 Oct 2017 | GRANT_AWARD | Xenetic Biosciences, Inc. | 6,250 | 0.00 USD | deriv |
2 purchases reported after at least 12 months of silence — most recent on 09 May 2019.