One Stop Systems, Inc.
One Stop Systems, Inc. (OSS) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · OSS · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
3
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
One Stop Systems, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
OSS insider buying and selling by quarter
OSS insider selling · OSS insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · OSS ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
OSS executive sell shares · OSS board member insider trading · OSS insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 11, 2026 | Gabel Daniel G. CFO | Other | 1,613 | $25K | Form 4 |
| May 20, 2026 | BASSETT DAVID GEORGE Director | Award | 11,984 | — | Form 4 |
| May 26, 2026 | BASSETT DAVID GEORGE Director | Sale | 8,000 | $141K | Form 4 |
| May 21, 2025 | BASSETT DAVID GEORGE Director | Award | 21,000 | — | Form 4 |
| May 20, 2026 | Matz Gregory W Director | Award | 11,984 | — | Form 4 |
| May 26, 2026 | Matz Gregory W Director | Sale | 8,000 | $140K | Form 4 |
| May 20, 2026 | Dumont Michael J. Director | Award | 11,984 | — | Form 4 |
| May 20, 2026 | Herbets Mitchell H Director | Award | 11,984 | — | Form 4 |
| May 26, 2026 | Herbets Mitchell H Director | Sale | 5,000 | $88K | Form 4 |
| Feb 15, 2026 | Ison James CPO | Gift | 4,263 | — | Form 4 |
| Feb 7, 2026 | Ison James CPO | Gift | 8,213 | — | Form 4 |
| Feb 7, 2026 | Ison James CPO | Award | 34,313 | — | Form 4 |
| Feb 7, 2026 | Ison James CPO | Other | 6,546 | $60K | Form 4 |
| Feb 15, 2026 | Ison James CPO | Other | 3,120 | $27K | Form 4 |
| Feb 15, 2026 | Ison James CPO | Gift | 4,263 | — | Form 4 |
| Feb 7, 2026 | Ison James CPO | Gift | 8,213 | — | Form 4 |
| Feb 7, 2026 | Gabel Daniel G. CFO | Other | 7,799 | $72K | Form 4 |
| Feb 7, 2026 | KNOWLES MICHAEL CEO · Director | Other | 13,298 | $123K | Form 4 |
| Feb 15, 2026 | KNOWLES MICHAEL CEO · Director | Other | 6,650 | $58K | Form 4 |
| Feb 7, 2026 | Gabel Daniel G. CFO | Award | 55,239 | — | Form 4 |
| Feb 7, 2026 | KNOWLES MICHAEL CEO · Director | Award | 101,862 | — | Form 4 |
| Dec 31, 2025 | Gabel Daniel G. CFO | Other | 3,215 | $23K | Form 4 |
| Dec 31, 2025 | KNOWLES MICHAEL CEO · Director | Other | 19,075 | $137K | Form 4 |
| May 21, 2025 | KNOWLES MICHAEL CEO · Director | Award | 21,000 | — | Form 4 |
| Feb 7, 2025 | KNOWLES MICHAEL CEO · Director | Award | 131,448 | $534K | Form 4 |
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About OSS insider trading
OSS insider trades
One Stop Systems, Inc. (OSS) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Ison James (CPO), KNOWLES MICHAEL (CEO · Director), Gabel Daniel G. (CFO). Over the past 12 months, 5 insiders have filed transactions with the SEC. OSS insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For One Stop Systems, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
OSS insider trading · 5 questionsThe insiders of One Stop Systems, Inc. (OSS) include executives and directors such as Ison James (CPO), KNOWLES MICHAEL (CEO · Director), Gabel Daniel G. (CFO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026