SEC Form 4 · accession 0001193125-26-269730
ONE STOP SYSTEMS, INC. · OSS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michael Knowles
Officer — Chief Executive Officer · Director
Period of report
Jun 5, 2026
Accepted (ET)
Jun 12, 2026 · 5:21 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001394056
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Jun 5, 2026 | F | 19,675 | $16.89 | D | 607,383 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The Reporting Person forfeited 19,675 shares of common stock upon conversion of an aggregate 50,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on June 6, 2023.
- F2Includes 333,311 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.