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Insider ActivityOSS
Matz Gregory W, Insider at ONE STOP SYSTEMS, INC., sold $140K of OSS
Updated Jun 22, 2026
Matz Gregory W
Insider
ONE STOP SYSTEMS, INC. ·
$OSS
Transaction Details
| Insider | Matz Gregory W |
|---|---|
| Title | Insider |
| Company | ONE STOP SYSTEMS, INC. |
| Ticker | OSS |
| Transaction Type | Sale |
| Transaction Date | 2026-05-26 |
| Shares Traded | 8,000 |
| Price Per Share | $17.52 |
| Total Value | $140K |
| Filed Date | 2026-05-26 |
| Accession Number | 0001193125-26-239727 |
Ownership Context
| Shares Owned After Transaction | 78,914 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001193125-26-239727
Other Insider Trades — OSS
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| KNOWLES MICHAEL | Chief Executive Officer | traded | $332K | 2026-06-05 |
| Herbets Mitchell H | Insider | sold | $88K | 2026-05-26 |
| BASSETT DAVID GEORGE | Insider | sold | $141K | 2026-05-26 |
| BASSETT DAVID GEORGE | Insider | traded | — | 2026-05-20 |
| Matz Gregory W | Insider | traded | — | 2026-05-20 |
| Herbets Mitchell H | Insider | traded | — | 2026-05-20 |
| Dumont Michael J. | Insider | traded | — | 2026-05-20 |
| Gabel Daniel G. | Chief Financial Officer | traded | $25K | 2026-05-11 |
| BASSETT DAVID GEORGE | Insider | traded | — | 2025-05-21 |
Other Trades by Matz Gregory W
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| DARE | Dare Bioscience, Inc. | traded | — | 2026-06-11 |
| OSS | ONE STOP SYSTEMS, INC. | traded | — | 2026-05-20 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for OSS — ONE STOP SYSTEMS, INC. →
Whisper Score — OSS
67.19
Frenzy
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 22, 2026 at 07:07 UTC