| Date Filed | Type | Description |
| 12/19/2022 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Exercised 10,000 options to buy
@ $0.415, valued at
$4.2k
|
|
| 07/25/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 12/30/2021 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Granted 15,000 options to buy
@ $4.17, valued at
$62.6k
|
|
| 06/19/2020 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Granted 15,000 options to buy
@ $0.45, valued at
$6.8k
|
|
| 06/03/2019 |
4/A
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Granted 10,000 options to buy
@ $0.51, valued at
$5.1k
|
|
| 05/30/2019 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Granted 10,000 options to buy
@ $0.51, valued at
$5.1k
|
|
| 05/24/2018 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Granted 10,000 options to buy
@ $0.82, valued at
$8.2k
|
|
| 02/22/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 11/21/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 02/24/2016 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES Corp|
Txns:
| Granted 8,100 options to buy
@ $0.42, valued at
$3.4k
|
|
| 02/19/2015 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Granted 9,000 options to buy
@ $0.44, valued at
$4k
|
|
| 02/14/2014 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 02/19/2013 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 08/08/2012 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 07/24/2012 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Exercised (in-or-at-the-money) 128,870 shares
@ $0.33, valued at
$42.5k
|
|
| 07/09/2012 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Exercised (in-or-at-the-money) 194,462 options to buy
@ $0.33, valued at
$64.2k
|
|
| 02/01/2011 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Granted 10,000 options to buy
@ $1.36, valued at
$13.6k
|
|
| 10/04/2010 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Granted 2,000 options to buy
@ $0.99, valued at
$2k
|
|
| 07/02/2010 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Granted 2,000 options to buy
@ $1.1, valued at
$2.2k
|
|
| 04/02/2010 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 01/05/2010 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION|
Txns:
| Granted 2,000 rights
@ $0.84, valued at
$1.7k
|
|
| 10/01/2009 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION |
| 07/02/2009 |
4
| Form 4 -- Statement of changes in beneficial ownership of securities |
| 04/09/2009 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION |
| 02/12/2009 |
4
| SIEGEL RICHARD W (Director) has filed a Form 4 on NANOPHASE TECHNOLOGIES CORPORATION |