OSS
ONE STOP SYSTEMS, INC.
NASDAQ · Technology · Computer Hardware · US
$9.05
−0.22%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-50.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 4, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 8,621 | $13 |
| Sep 4, 2026 | Gabel Daniel G. · officer: Chief Financial Officer | F-InKind | 3,832 | $13 |
| Jun 12, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 19,675 | $17 |
| May 28, 2026 | Gabel Daniel G. · officer: Chief Financial Officer | F-InKind | 1,613 | $16 |
| May 26, 2026 | BASSETT DAVID GEORGE · director | A-Award | 21,000 | $0.00 |
| May 26, 2026 | BASSETT DAVID GEORGE · director | A-Award | 11,984 | $0.00 |
| May 26, 2026 | Matz Gregory W · director | A-Award | 11,984 | $0.00 |
| May 26, 2026 | Herbets Mitchell H · director | A-Award | 11,984 | $0.00 |
| May 26, 2026 | Matz Gregory W · director | Sale | 8,000 | $18 |
| May 26, 2026 | Herbets Mitchell H · director | Sale | 5,000 | $18 |
| May 26, 2026 | BASSETT DAVID GEORGE · director | Sale | 8,000 | $18 |
| May 26, 2026 | Dumont Michael J. · director | A-Award | 11,984 | $0.00 |
| Mar 27, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | A-Award | 0 | $0.00 |
| Mar 2, 2026 | Ison James · officer: CPO | F-InKind | 6,546 | $9.24 |
| Mar 2, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 13,298 | $9.24 |
| Mar 2, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 6,650 | $8.70 |
| Mar 2, 2026 | Ison James · officer: CPO | A-Award | 34,313 | $0.00 |
| Mar 2, 2026 | Ison James · officer: CPO | F-InKind | 3,120 | $8.70 |
| Mar 2, 2026 | Gabel Daniel G. · officer: Chief Financial Officer | F-InKind | 7,799 | $9.24 |
| Feb 11, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | A-Award | 101,862 | $0.00 |
| Feb 11, 2026 | Gabel Daniel G. · officer: Chief Financial Officer | A-Award | 55,239 | $0.00 |
| Jan 12, 2026 | Gabel Daniel G. · officer: Chief Financial Officer | F-InKind | 3,215 | $7.18 |
| Jan 7, 2026 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 19,075 | $7.18 |
| Sep 2, 2025 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 8,359 | $5.26 |
| Sep 2, 2025 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 16,800 | $3.76 |
| Sep 2, 2025 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | F-InKind | 19,075 | $3.06 |
| Sep 2, 2025 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | A-Award | 131,448 | $4.06 |
| Sep 2, 2025 | KNOWLES MICHAEL · director, officer: Chief Executive Officer | A-Award | 21,000 | $0.00 |
| Aug 25, 2025 | Ison James · officer: CPO | F-InKind | 3,113 | $5.26 |
| May 28, 2025 | Herbets Mitchell H · director | A-Award | 21,000 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 79Increased 53Reduced 47Sold out 18
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 1,837,840 | Aug 7, 2026 |
| JANE STREET GROUP, LLC | Increased | 1,605,255 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 1,173,002 | Sep 2, 2026 |
| JANE STREET GROUP, LLC | Increased | 1,022,758 | May 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 974,568 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 959,588 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 801,100 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 744,976 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 655,299 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 597,303 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 572,918 | Aug 12, 2026 |
| BARD ASSOCIATES INC | Reduced | 540,666 | May 8, 2026 |
| BARD ASSOCIATES INC | Reduced | 526,370 | Aug 12, 2026 |
| MORGAN STANLEY | Increased | 431,919 | May 15, 2026 |
| MARSHALL WACE, LLP | Increased | 418,978 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 4, 2026