OSS
ONE STOP SYSTEMS, INC. · Technology · Market cap $212.5M
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$369K
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Sep 4, 2026
BASSETT DAVID GEORGE
ONE STOP SYSTEMS, INC. (OSS) has 15 SEC Form 4 filings (27 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Sep 4, 2026.
Inside the rolling window, 3 insiders at ONE STOP SYSTEMS, INC. reported no open-market purchases and 3 open-market sales totaling $369K. Insiders have net sold $369K over the trailing 6 months. The most recent open-market filing is a sale of 8,000 shares by Director BASSETT DAVID GEORGE, dated May 26, 2026, worth $141K.
- Industry:Computer Hardware
- CEO:Michael Knowles
- Employees:57
- HQ:Escondido, CA, US
- IPO:2018-02-01
| Source | |||||||
|---|---|---|---|---|---|---|---|
BASSETT DAVID GEORGEFirst filing | Director | Sale | 8,000 | $141K | May 26 | -51.1% | SEC ↗ |
Matz Gregory WFirst filing | Director | Sale | 8,000 | $140K | May 26 | -51.1% | SEC ↗ |
Herbets Mitchell HFirst filing | Director | Sale | 5,000 | $88K | May 26 | -51.1% | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does OSS have?
ONE STOP SYSTEMS, INC. (OSS) has 15 SEC Form 4 filings (27 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Sep 4, 2026.
When was the most recent SEC Form 4 filing for OSS?
The most recent Form 4 filing for OSS on Tracefour is dated Sep 4, 2026.
What is the net insider flow at OSS over the last 6 months?
Over the trailing 180 days, insiders at OSS have net sold $369K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at OSS in the current window?
Inside the rolling window, insiders at OSS bought $0 and sold $369K based on SEC Form 4 filings.
Can I get alerts for OSS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at ONE STOP SYSTEMS, INC. (OSS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
ONE STOP SYSTEMS, INC. is in the Technology sector.