Not financial advice. ThetaGrade is educational and informational only. Nothing here is a recommendation to buy or sell any security, and it is not tailored to anyone. Options involve substantial risk; read the OCC Characteristics and Risks of Standardized Options. Past performance does not guarantee future results. Methodology
OSS government trades
One Stop Systems Inc. Common Stock. 1 official filed trades since 2025. OSS rating
Trades are filed weeks after they happen and amounts are reported as ranges. Educational, not financial advice.
Who traded it
| Official | Branch | Buys | Sells | First trade | Latest trade | Latest filing |
|---|---|---|---|---|---|---|
| Sean McMaster | Executive | 1 | 0 | 2026-01-13 | 2026-01-13 | 2026-03-13 |
Every OSS trade
| Traded | Filed | Days | Official | Stock | Type | Amount | Owner | |
|---|---|---|---|---|---|---|---|---|
| 2026-01-13 | 2026-03-13 | 59 | Sean McMaster | OSS One Stop Systems Inc. Common Stock | BuyOpen | $15K–$50K | Filing ↗ |
- OSS One Stop Systems Inc. Common StockOpenBuy
$15K–$50K · traded 2026-01-13 · filed 2026-03-13 (59d) · Filing ↗
1 trade