InsiderTrades

Form 4/A for OSS ONE STOP SYSTEMS, INC.

Accepted 2026-03-27 00:00:00 ET · period of report 2025-05-21 · accession 0001755059-26-000006 · 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
A 2026-03-27 2025-05-21 OSS KNOWLES MICHAEL CEO, Dir A - Grant — 0 591.7K New —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-05-21 A A 0 $0.00 591,653 D — — (F1) This Form 4/A amends the Form 4 filed on September 2, 2025, solely to correct a clerical error in the prior report, which incorrectly reflected the grant of 21,000 restricted stock units on May 21, 2025. (F2) As a result of this update, the number of shares beneficially owned by the Reporting Person following such transaction has been correspondingly decreased by 21,000 shares. As of March 16, 2026, the Reporting Person beneficially owns 627,058 shares. This amendment does not reflect any change in beneficial ownership other than as described above.