| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/24/2022 | Xenetic Biosciences, Inc. | XBIO | Grant | Stock Options | 100k | $1.12 | $112k | | 03/24/2022 |
| 03/18/2021 | Xenetic Biosciences, Inc. | XBIO | Grant | Stock Options | 100k | $2.60 | $260k | | 03/18/2021 |
| 12/04/2019 | Xenetic Biosciences, Inc. | XBIO | Grant | Stock Options | 230k | $1.31 | $301.3k | | 12/04/2019 |
| 02/21/2018 | MABVAX THERAPEUTICS HOLDINGS, INC. | MBVX | Grant | Option to Purchase Common Stock | 35k | $2.04 | $71.4k | | 02/21/2018 |
| 01/24/2018 | MABVAX THERAPEUTICS HOLDINGS, INC. | MBVX | Sale | Common Stock | 18k | $0.84 | $15.1k | | 01/23/2018 |
| 01/23/2018 | MABVAX THERAPEUTICS HOLDINGS, INC. | MBVX | Sale | Common Stock | 17.4k | $0.87 | $15.2k | | 01/23/2018 |
| 01/08/2018 | MABVAX THERAPEUTICS HOLDINGS, INC. | MBVX | Exercise | Restricted Stock Unit | 100k | $0.00 | $0 | | 01/08/2018 |
| 10/26/2017 | Xenetic Biosciences, Inc. | XBIO | Grant | Stock Options | 250k | $2.11 | $527.5k | | 10/26/2017 |
| 10/26/2017 | Xenetic Biosciences, Inc. | XBIO | Grant | Common Stock | 50k | $0.00 | $0 | | 10/26/2017 |
| 06/12/2017 | MABVAX THERAPEUTICS HOLDINGS, INC. | MBVX | Grant | Option to Purchase Common Stock | 20k | $1.57 | $31.4k | | 06/12/2017 |
| 12/02/2016 | Xenetic Biosciences, Inc. | XBIO | Grant | Stock Options | 75.1k | $3.40 | $255.3k | | 12/02/2016 |
| 12/02/2016 | Xenetic Biosciences, Inc. | XBIO | Grant | Stock Options | 4.7k | $3.40 | $16k | | 12/02/2016 |