Companies / One Stop Systems, Inc.
One Stop Systems, Inc.
Nasdaq: OSSCIK 1394056ESCONDIDO, CA
Financials · FY2025
Ownership
24.9M shares outstanding · as of Jun 30, 2026
Ownership
| Insiders | 5.64% | 1,407,049 |
| 10%+ / strategic | 7.73% | 1,928,814 |
| Institutions | 40.32% | 10,055,153 |
| Public float | 46.31% | 11,549,114 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 7
View all →| Insider | % of shares | Shares |
|---|---|---|
Knowles MichaelCEOChief Executive Officer · Director | 2.44% | 607,383 |
Ison JamesCPO | 1.50% | 373,055 |
Gabel Daniel G.Chief Financial Officer | 0.62% | 153,896 |
Dumont Michael J.Director | 0.48% | 119,833 |
Matz Gregory WDirector | 0.32% | 78,914 |
Herbets Mitchell HDirector | 0.20% | 48,984 |
Bassett David GeorgeDirector | 0.10% | 24,984 |
Institutional holders 73
View all →| Holder | Value | % of shares |
|---|---|---|
| $33.41M | 7.37% | |
| $7.57M | 4.23% | |
| $6.99M | 1.54% | |
| $4.98M | 2.78% | |
| $4.78M | 2.67% | |
| $4.34M | 2.42% | |
| $4.09M | 2.17% | |
| $3.17M | 1.68% | |
| $3.10M | 1.73% | |
| $3.03M | 1.61% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | Knowles Michael CEO | Other | Common Stock | $332.3K | -20K -3.14% | 607,383 2.44% of shares | low |
| May 26, 2026 | Bassett David George Director | Sell | Common Stock | $141.1K | -8K -24.25% | 24,984 0.10% of shares | medium |
| May 26, 2026 | Matz Gregory W Director | Sell | Common Stock | $140.2K | -8K -9.20% | 78,914 0.32% of shares | medium |
| Dec 31, 2025 | Knowles Michael CEO | Other | Common Stock | $137.0K | -19K -3.26% | 566,144 2.27% of shares | low |
| Feb 7, 2026 | Knowles Michael CEO | Other | Common Stock | $122.9K | -13K -1.99% | 654,708 2.63% of shares | low |
| May 26, 2026 | Herbets Mitchell H Director | Sell | Common Stock | $88.1K | -5K -9.26% | 48,984 0.20% of shares | low |
| Feb 7, 2026 | Gabel Daniel G. Executive | Other | Common Stock | $72.1K | -8K -4.78% | 155,509 0.62% of shares | low |
| Feb 7, 2026 | Ison James Executive | Other | Common Stock | $60.5K | -7K -4.20% | 149,290 0.60% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Bard Associates, Inc. | Passive13G/A | — |
| Lynrock Lake LP | Passive13G/A | — |
| Jane Street Group, LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| OSS | — | 68247W109 |