| Date Filed | Type | Description |
| 03/28/2022 |
4
| EISENBERG JEFFREY F (CEO) has filed a Form 4 on Xenetic Biosciences, Inc.|
Txns:
| Granted 100,000 options
@ $1.12, valued at
$112k
|
|
| 03/22/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 12/06/2019 |
4
| EISENBERG JEFFREY F (CEO) has filed a Form 4 on Xenetic Biosciences, Inc.|
Txns:
| Granted 230,000 options
@ $1.31, valued at
$301.3k
|
|
| 02/23/2018 |
4
| EISENBERG JEFFREY F (Director) has filed a Form 4 on MABVAX THERAPEUTICS HOLDINGS, INC.|
Txns:
| Granted 35,000 options to buy
@ $2.04, valued at
$71.4k
|
|
| 01/24/2018 |
4
| EISENBERG JEFFREY F (Director) has filed a Form 4 on MABVAX THERAPEUTICS HOLDINGS, INC.|
Txns:
| Sold 17,444 shares
@ $0.87, valued at
$15.2k
Sold 17,998 shares
@ $0.84, valued at
$15.1k
|
|
| 01/12/2018 |
4
| EISENBERG JEFFREY F (Director) has filed a Form 4 on MABVAX THERAPEUTICS HOLDINGS, INC.|
Txns:
| Exercised 100,000 restricted stock units
@ $0 |
|
| 10/30/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/04/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 09/18/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/14/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 05/23/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 01/03/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 12/06/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 11/15/2016 |
3
| EISENBERG JEFFREY F (Director) has filed a Form 3 on Xenetic Biosciences, Inc. |
| 08/30/2016 |
4
| EISENBERG JEFFREY F (Director) has filed a Form 4 on MABVAX THERAPEUTICS HOLDINGS, INC.|
Txns:
| Granted 2,300 options to buy
@ $5, valued at
$11.5k
|
|
| 07/28/2016 |
4
| EISENBERG JEFFREY F (Director) has filed a Form 4 on MABVAX THERAPEUTICS HOLDINGS, INC.|
Txns:
| Granted 35,000 options to buy
@ $0.55, valued at
$19.3k
|
|
| 08/27/2009 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 08/21/2009 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |