ONE STOP SYSTEMS, INC. (OSS) Insider Trading -- Recent Executive & Director Transactions
7 insiders reported 39 Form 4 transactions for ONE STOP SYSTEMS, INC. (OSS) over the past 18 months (most recent 2026-09-04). Recent activity: Gabel Daniel G. (Chief Financial Officer) Sell 3,832 shares, KNOWLES MICHAEL (Chief Executive Officer) Sell 8,621 shares, KNOWLES MICHAEL (Chief Executive Officer) Sell 8,621 shares, KNOWLES MICHAEL (Chief Executive Officer) Sell 19,675 shares, Gabel Daniel G. (Chief Financial Officer) Sell 1,613 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-04 | Gabel Daniel G. | Chief Financial Officer | Sell | 3,832 | $51,042 |
| 2026-09-04 | KNOWLES MICHAEL | Chief Executive Officer | Sell | 8,621 | $114,832 |
| 2026-09-04 | KNOWLES MICHAEL | Chief Executive Officer | Sell | 8,621 | $117,332 |
| 2026-06-12 | KNOWLES MICHAEL | Chief Executive Officer | Sell | 19,675 | $332,311 |
| 2026-05-28 | Gabel Daniel G. | Chief Financial Officer | Sell | 1,613 | $25,292 |
| 2026-05-26 | Dumont Michael J. | Director | Buy | 11,984 | $0 |
| 2026-05-26 | Matz Gregory W | Director | Buy | 11,984 | $0 |
| 2026-05-26 | Matz Gregory W | Director | Sell | 8,000 | $140,160 |
| 2026-05-26 | Herbets Mitchell H | Director | Sell | 5,000 | $88,100 |
| 2026-05-26 | BASSETT DAVID GEORGE | Director | Buy | 21,000 | $0 |
| 2026-05-26 | BASSETT DAVID GEORGE | Director | Buy | 11,984 | $0 |
| 2026-05-26 | BASSETT DAVID GEORGE | Director | Sell | 8,000 | $141,120 |
| 2026-05-26 | Herbets Mitchell H | Director | Buy | 11,984 | $0 |
| 2026-03-27 | KNOWLES MICHAEL | Chief Executive Officer | Buy | 0 | $0 |
| 2026-03-02 | Ison James | CPO | Buy | 34,313 | $0 |
| 2026-03-02 | Ison James | CPO | Sell | 6,546 | $60,485 |
| 2026-03-02 | Ison James | CPO | Sell | 8,213 | $0 |
| 2026-03-02 | Ison James | CPO | Buy | 8,213 | $0 |
| 2026-03-02 | Ison James | CPO | Sell | 3,120 | $27,144 |
| 2026-03-02 | Ison James | CPO | Buy | 4,263 | $0 |
| 2026-03-02 | Gabel Daniel G. | Chief Financial Officer | Sell | 7,799 | $72,063 |
| 2026-03-02 | KNOWLES MICHAEL | Chief Executive Officer | Sell | 13,298 | $122,874 |
| 2026-03-02 | KNOWLES MICHAEL | Chief Executive Officer | Sell | 6,650 | $57,855 |
| 2026-03-02 | Ison James | CPO | Sell | 4,263 | $0 |
| 2026-02-11 | KNOWLES MICHAEL | Chief Executive Officer | Buy | 101,862 | $0 |
Source: SEC Form 4 filings · as of 2026-09-04