OSS SEC Form 4 filings
One Stop Systems, Inc. Latest Insider Trading Activity
The most recent employee insider trading activity for One Stop Systems, Inc. was on May 26, 2026, when Herbets Mitchell H (Director) reported a sale of 5,000 shares at $17.62 per share. For the past 2,474 days, OSS has had 16 total insider transactions represented in the displayed records. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For OSS Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting OSS | 2026-05-26 | 2026-05-26 | One Stop Systems, Inc. | Herbets Mitchell H | Director | Sell | 1 | 5,000 | $17.62 | $88,100.00 | 9.26% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting OSS | 2026-05-26 | 2026-05-26 | One Stop Systems, Inc. | Bassett David George | Director | Sell | 1 | 8,000 | $17.64 | $141,120.00 | 24.25% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting OSS | 2026-05-26 | 2026-05-26 | One Stop Systems, Inc. | Matz Gregory W | Director | Sell | 1 | 8,000 | $17.52 | $140,160.00 | 9.20% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2024-08-15 | 2024-08-14 | One Stop Systems, Inc. | Manko Joseph M. Jr. | Director | Buy | 2 | 75,000 | $1.96 | $146,750.00 | 3.23% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2023-08-18 | 2023-08-16 | One Stop Systems, Inc. | Knowles Michael | Chief Executive Officer | Buy | 1 | 1,130 | $1.80 | $2,034.00 | 0.28% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2023-08-15 | 2023-08-15 | One Stop Systems, Inc. | Matz Gregory W | Director | Buy | 1 | 2,500 | $1.77 | $4,425.00 | 7.59% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2021-03-31 | 2021-03-31 | One Stop Systems, Inc. | Raun David | President and CEO | Buy | 1 | 2,000 | $6.07 | $12,140.00 | 2.39% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2021-03-31 | 2021-03-30 | One Stop Systems, Inc. | Lowman Teresita M. | Director | Buy | 1 | 2,000 | $5.91 | $11,820.00 | 24.50% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2019-12-16 | 2019-12-16 | One Stop Systems, Inc. | Raun David | Director | Buy | 4 | 3,300 | $1.71 | $5,655.89 | 2.10% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OSS | 2019-12-10 | 2019-12-10 | One Stop Systems, Inc. | Raun David | Director | Buy | 3 | 5,000 | $1.76 | $8,824.00 | 4.60% | View Filing |
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