Form 4 for OSS ONE STOP SYSTEMS, INC.
Accepted 2026-05-26 17:58:30 ET · period of report 2025-05-21 · accession 0001193125-26-239770 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-05-26 17:58 | 2025-05-21+ | OSS | BASSETT DAVID GEORGE | Dir | A - Grant | $0.00 | +33.0K | 33.0K | New | $0 |
| 2026-05-26 17:58 | 2026-05-26 | OSS | BASSETT DAVID GEORGE | Dir | S - Sale | $17.64 | -8,000 | 25.0K | -24% | -$141.1K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-05-21 | A | A | 21,000 | $0.00 | 21,000 | D | — | — | (F1) Represents 21,000 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions. (F2) Includes 21,000 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions. |
| 2 | Common | Common Stock | 2026-05-20 | A | A | 11,984 | $0.00 | 32,984 | D | — | — | (F3) Represents 11,984 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions. (F4) Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 21,000 shares of common stock. |
| 3 | Common | Common Stock | 2026-05-26 | S | D | 8,000 | $17.64 | 24,984 | D | — | — | (F5) The Reporting Person sold 8,000 shares of common stock upon conversion of an aggregate 21,000 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 sale. These restricted stock units were part of the grant to the Reporting Person on May 21, 2025. (F6) Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 13,000 shares of common stock. |