Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| ISCO INTERNATIONAL INC | 751,370 | reported | 27 Dec 2006 | tx 6+650,000−150,000 |
| NANOPHASE TECHNOLOGIES CORPORATION | 83,783 | reported | 16 Nov 2017 | tx 30+420,303−154,883 |
| CTI INDUSTRIES CORP | 2,000 | reported | 26 Dec 2017 | tx 1+2,000 |
| SIGMATRON INTERNATIONAL INC | 0 | reported | 28 Jul 2025 | tx 5+30,000−30,000 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 28 Jul 2025 | OTHER | SIGMATRON INTERNATIONAL INC | 30,000 | — | deriv |
| 11 Nov 2024 | GRANT_AWARD | SIGMATRON INTERNATIONAL INC | 7,500 | — | deriv |
| 11 Nov 2024 | GRANT_AWARD | SIGMATRON INTERNATIONAL INC | 7,500 | — | deriv |
| 11 Nov 2024 | GRANT_AWARD | SIGMATRON INTERNATIONAL INC | 7,500 | — | deriv |
| 11 Nov 2024 | GRANT_AWARD | SIGMATRON INTERNATIONAL INC | 7,500 | — | deriv |
| 26 Dec 2017 | PURCHASE | CTI INDUSTRIES CORP | 2,000 | 4.20 USD | first after silence |
| 16 Nov 2017 | SALE | NANOPHASE TECHNOLOGIES CORPORATION | 15,453 | 0.58 USD | |
| 16 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 15,453 | 0.44 USD | |
| 16 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 15,453 | 0.44 USD | deriv |
| 14 Nov 2017 | SALE | NANOPHASE TECHNOLOGIES CORPORATION | 7,400 | 0.61 USD | |
| 15 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 13,000 | 0.42 USD | |
| 15 Nov 2017 | SALE | NANOPHASE TECHNOLOGIES CORPORATION | 6,167 | 0.61 USD | |
| 15 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 6,167 | 0.30 USD | |
| 14 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 7,400 | 0.30 USD | |
| 15 Nov 2017 | SALE | NANOPHASE TECHNOLOGIES CORPORATION | 13,000 | 0.59 USD | |
| 15 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 13,667 | 0.30 USD | deriv |
| 15 Nov 2017 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 13,000 | 0.42 USD | deriv |
| 21 Feb 2017 | GRANT_AWARD | NANOPHASE TECHNOLOGIES CORPORATION | 36,000 | 0.68 USD | deriv |
| 23 Feb 2016 | GRANT_AWARD | NANOPHASE TECHNOLOGIES CORPORATION | 31,500 | 0.42 USD | deriv |
| 25 Feb 2015 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 26,000 | 0.42 USD | |
| 25 Feb 2015 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 27,333 | 0.30 USD | |
| 25 Feb 2015 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 27,333 | 0.30 USD | deriv |
| 25 Feb 2015 | EXERCISE | NANOPHASE TECHNOLOGIES CORPORATION | 26,000 | 0.42 USD | deriv |
| 18 Feb 2015 | GRANT_AWARD | NANOPHASE TECHNOLOGIES CORPORATION | 36,000 | 0.44 USD | deriv |
| 13 Feb 2014 | GRANT_AWARD | NANOPHASE TECHNOLOGIES CORPORATION | 40,000 | 0.52 USD | deriv |
2 purchases reported after at least 12 months of silence — most recent on 26 Dec 2017.