Over the 90-day window ending February 06, 2026, One Stop Systems's three dominant insider ownership positions are held by TenPercentOwner Steve D Cooper (1.92Mn shares), Director Joseph M. Jr. Manko (1.20Mn shares), Chief Executive Officer Michael Knowles (566.14K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Steve D Cooper | 1,923,572 | 24 Jan, 2024 | |
| Joseph M. Jr. Manko | 1,195,899 | 03 Jul, 2024 | |
| Michael Knowles | Chief Executive Officer | 566,144 | 05 Jan, 2026 |
| David Raun | 425,597 | 03 Apr, 2024 | |
| Kenneth F Potashner | 398,601 | 11 Jul, 2024 | |
| James Ison | Cpo | 340,195 | 22 Aug, 2025 |
| John W Jr. Morrison | Chief Financial Officer | 305,381 | 25 Sep, 2024 |
| Daniel G. Gabel | Chief Financial Officer | 108,069 | 05 Jan, 2026 |
| Gregory W Matz | 74,930 | 23 May, 2025 | |
| Jack Harrison | 71,984 | 21 Mar, 2022 | |
| Gioia Messinger | 49,690 | 03 Jul, 2024 | |
| Mitchell H Herbets | 42,000 | 27 May, 2025 | |
| Kimberly C. Sentovich | 39,266 | 21 Mar, 2022 | |
| Teresita M. Lowman | 29,930 | 21 Mar, 2022 | |
| Michael J. Dumont | 21,000 | 23 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 31 Dec, 2025 | Michael Knowles | Common Stock | D | 19,075 | $7.18 | 566,144 | D | F |
| 31 Dec, 2025 | Daniel G. Gabel | Common Stock | D | 3,215 | $7.18 | 108,069 | D | F |
| 20 Aug, 2025 | James Ison | - | - | 218,672 | I | |||
| 20 Aug, 2025 | James Ison | - | - | 125,794 | D | |||
| 20 Aug, 2025 | James Ison | Common Stock | D | 3,113 | $5.26 | 125,794 | D | F |
| 20 Aug, 2025 | James Ison | Common Stock | D | 4,271 | $0.00 | 121,523 | D | G |
| 20 Aug, 2025 | James Ison | Common Stock | A | 4,271 | $0.00 | 218,672 | I | G |
| 20 Aug, 2025 | James Ison | - | - | 121,523 | D | |||
| 21 May, 2025 | Gregory W Matz | Common Stock | A | 21,000 | $0.00 | 74,930 | D | A |
| 21 May, 2025 | Gregory W Matz | - | - | 74,930 | D | |||
| 21 May, 2025 | Mitchell H Herbets | Common Stock | A | 21,000 | $0.00 | 42,000 | D | A |
| 21 May, 2025 | Michael J. Dumont | Common Stock | A | 21,000 | $0.00 | 21,000 | D | F |
| 20 Feb, 2025 | James Ison | - | - | 128,907 | D | |||
| 20 Feb, 2025 | James Ison | Common Stock | D | 7,006 | $3.76 | 136,667 | D | F |
| 20 Feb, 2025 | James Ison | Common Stock | D | 7,760 | $0.00 | 128,907 | D | G |
| 20 Feb, 2025 | James Ison | Common | A | 7,760 | $0.00 | 214,401 | I | G |
| 20 Feb, 2025 | James Ison | - | - | 214,401 | I | |||
| 07 Feb, 2025 | James Ison | - | - | 135,913 | D | |||
| 07 Feb, 2025 | James Ison | Common Stock | A | 44,279 | $4.06 | 135,913 | D | A |
| 07 Feb, 2025 | Daniel G. Gabel | Common Stock | A | 71,284 | $4.06 | 111,284 | D | A |