| Date Filed | Type | Description |
| 06/08/2023 |
4
| Amron Arthur H (Director) has filed a Form 4 on MAMMOTH ENERGY SERVICES, INC.|
Txns:
| Granted 23,810 shares
@ $0 |
|
| 01/09/2023 |
4
| Amron Arthur H (Director) has filed a Form 4 on NEPHROS INC|
Txns:
| Granted 27,613 shares
@ $0
Granted 7,080 options to buy
@ $1.07, valued at
$7.6k
|
|
| 06/30/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 12/16/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/04/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/08/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/07/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 12/18/2019 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on NEPHROS INC|
Txns:
| Granted 3,448 shares
@ $0
Granted 5,568 options to buy
@ $8.57, valued at
$47.7k
|
|
| 06/07/2019 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on MAMMOTH ENERGY SERVICES, INC.|
Txns:
| Granted 10,493 shares
@ $0 |
|
| 01/29/2019 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/29/2019 |
3
| Form 3 - Initial statement of beneficial ownership of securities: |
| 12/21/2018 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on NEPHROS INC|
Txns:
| Granted 46,457 options to buy
@ $0.65, valued at
$30.2k
|
|
| 12/18/2018 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on NEPHROS INC|
Txns:
| Granted 47,673 shares
@ $0 |
|
| 12/22/2017 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on NEPHROS INC|
Txns:
| Granted 73,864 shares
@ $0
Granted 40,284 options to buy
@ $0.4999, valued at
$20.1k
|
|
| 08/25/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 06/04/2013 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 01/03/2013 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on Rhino Resource Partners LP |
| 03/15/2012 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 03/05/2012 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on Rhino Resource Partners LP |
| 01/04/2012 |
4
| AMRON ARTHUR H (Director) has filed a Form 4 on Rhino Resource Partners LP |
| 03/28/2011 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 09/29/2010 |
3
| AMRON ARTHUR H (Director) has filed a Form 3 on Rhino Resource Partners LP |
| 01/27/2010 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |