InsiderTrades

Form 4 for OSS ONE STOP SYSTEMS, INC.

Accepted 2026-03-02 00:00:00 ET · period of report 2026-02-07 · accession 0002044400-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-02 2026-02-07 OSS Gabel Daniel G. CFO F - Tax $9.24 -7,799 155.5K -5% -$72.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-07 F D 7,799 $9.24 155,509 D — — (F1) The Reporting Person forfeited 7,799 shares of common stock upon conversion of an aggregate 23,761vested 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 February 7, 2025. (F2) Includes 132,762 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.