ONE Stop Systems, Inc (OSS) insider trading
Every open-market stock purchase and sale by ONE Stop Systems, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $369K over the last 12 months (3 sales). No open-market buys.
- Last insider buy: Joseph M. Manko Jr. (Insider), $49.8K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $369K (3 sales).
Recent OSS insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 5, 2026 | Michael Knowles (CEO) | Sold (not open market) | $332K |
| May 26, 2026 | David George Bassett (Insider) | Sold | $141K |
| May 26, 2026 | Gregory W Matz (Insider) | Sold | $140K |
| May 26, 2026 | Mitchell H Herbets (Insider) | Sold | $88.1K |
| May 20, 2026 | David George Bassett (Insider) | Bought (not open market) | — |
| May 20, 2026 | Gregory W Matz (Insider) | Bought (not open market) | — |
| May 20, 2026 | Michael J. Dumont (Insider) | Bought (not open market) | — |
| May 20, 2026 | Mitchell H Herbets (Insider) | Bought (not open market) | — |
| May 11, 2026 | Daniel G. Gabel (CFO) | Sold (not open market) | $25.3K |
| Feb 15, 2026 | Michael Knowles (CEO) | Sold (not open market) | $57.9K |
| Feb 15, 2026 | James Ison (C-suite exec) | Sold (not open market) | $27.1K |
| Feb 15, 2026 | James Ison (C-suite exec) | Bought (not open market) | — |
| Feb 7, 2026 | Michael Knowles (CEO) | Sold (not open market) | $123K |
| Feb 7, 2026 | Daniel G. Gabel (CFO) | Sold (not open market) | $72.1K |
| Feb 7, 2026 | James Ison (C-suite exec) | Sold (not open market) | $60.5K |
| Feb 7, 2026 | James Ison (C-suite exec) | Bought (not open market) | — |
| Feb 7, 2026 | Daniel G. Gabel (CFO) | Bought (not open market) | — |
| Feb 7, 2026 | Michael Knowles (CEO) | Bought (not open market) | — |
| Feb 7, 2026 | James Ison (C-suite exec) | Bought (not open market) | — |
| Dec 31, 2025 | Michael Knowles (CEO) | Sold (not open market) | $137K |
| Dec 31, 2025 | Daniel G. Gabel (CFO) | Sold (not open market) | $23.1K |
Who's trading OSS
- Michael Knowles, CEO: other filings, last Jun 5, 2026
- David George Bassett, Insider: sold $141K (1 sale), last May 26, 2026
- Mitchell H Herbets, Insider: sold $88.1K (1 sale), last May 26, 2026
- Gregory W Matz, Insider: sold $140K (1 sale), last May 26, 2026
- Michael J. Dumont, Insider: other filings, last May 20, 2026
- Daniel G. Gabel, CFO: other filings, last May 11, 2026
- James Ison, C-suite exec: other filings, last Feb 15, 2026
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