CIK 0001394056 · Non-accelerated filer<br>Smaller reporting company
ONE STOP SYSTEMS, INC.
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- OSS
- Exchange
- Nasdaq
- Industry
- Electronic Computers
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 330885351
- Phone
- 760-745-9883
- Business address
- 2235 ENTERPRISE ST STE 110, ESCONDIDO, CA, 92029
- Former names
- ONE STOP SYSTEMS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 86 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-15 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for taxes | −8,621 | $13.61 | $117K | 590,141 |
| 2026-08-07 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for taxes | −8,621 | $13.32 | $115K | 598,762 |
| 2026-08-07 | Gabel Daniel G. Chief Financial Officer | Shares withheld for taxes | −3,832 | $13.32 | $51K | 150,064 |
| 2026-06-05 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for taxes | −19,675 | $16.89 | $332K | 607,383 |
| 2026-05-26 | BASSETT DAVID GEORGE Director | Sale | −8,000 | $17.64 | $141K | 24,984 |
| 2026-05-26 | Matz Gregory W Director | Sale | −8,000 | $17.52 | $140K | 78,914 |
| 2026-05-26 | Herbets Mitchell H Director | Sale | −5,000 | $17.62 | $88K | 48,984 |
| 2026-05-20 | BASSETT DAVID GEORGE Director | Grant or award | +11,984 | 32,984 | ||
| 2026-05-20 | Matz Gregory W Director | Grant or award | +11,984 | 86,914 | ||
| 2026-05-20 | Dumont Michael J. Director | Grant or award | +11,984 | 119,833 | ||
| 2026-05-20 | Herbets Mitchell H Director | Grant or award | +11,984 | 53,984 | ||
| 2026-05-11 | Gabel Daniel G. Chief Financial Officer | Shares withheld for taxes | −1,613 | $15.68 | $25K | 153,896 |
| 2026-02-15 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for taxes | −6,650 | $8.70 | $58K | 648,058 |
| 2026-02-15 | Ison James CPO | Shares withheld for taxes | −3,120 | $8.70 | $27K | 146,170 |
| 2026-02-15 | Ison James CPO | Gift | −4,263 | 141,907 | ||
| 2026-02-15 | Ison James CPO | Gift | +4,263 | 231,148 | ||
| 2026-02-07 | Gabel Daniel G. Chief Financial Officer | Shares withheld for taxes | −7,799 | $9.24 | $72K | 155,509 |
| 2026-02-07 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for taxes | −13,298 | $9.24 | $123K | 654,708 |
| 2026-02-07 | Ison James CPO | Grant or award | +34,313 | 155,836 | ||
| 2026-02-07 | Ison James CPO | Shares withheld for taxes | −6,546 | $9.24 | $60K | 149,290 |
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