OSS — ONE STOP SYSTEMS, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2018-02-01.
Performance
Technicals
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Measured signals that fired on OSS
| date | signal | measured base rate |
|---|---|---|
| 2026-07-13 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-07-08 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-26 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-05-06 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-04-14 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-03-30 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-06-05 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for tax | 19.7K | 16.89 | 332.3K |
| 2026-05-26 | BASSETT DAVID GEORGE Director | Open-market sale | 8.0K | 17.64 | 141.1K |
| 2026-05-26 | Matz Gregory W Director | Open-market sale | 8.0K | 17.52 | 140.2K |
| 2026-05-26 | Herbets Mitchell H Director | Open-market sale | 5.0K | 17.62 | 88.1K |
| 2026-05-20 | Dumont Michael J. Director | Grant or award | 12.0K | 0.00 | 0 |
| 2026-05-20 | Herbets Mitchell H Director | Grant or award | 12.0K | 0.00 | 0 |
| 2026-05-20 | Matz Gregory W Director | Grant or award | 12.0K | 0.00 | 0 |
| 2026-05-20 | BASSETT DAVID GEORGE Director | Grant or award | 12.0K | 0.00 | 0 |
| 2026-05-11 | Gabel Daniel G. Chief Financial Officer | Shares withheld for tax | 1.6K | 15.68 | 25.3K |
| 2026-02-15 | KNOWLES MICHAEL Chief Executive Officer | Shares withheld for tax | 6.7K | 8.70 | 57.9K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.3M | 959.6K |
| JANE STREET GROUP, LLC | 6.6M | 874.6K |
| BlackRock, Inc. | 4.5M | 597.3K |
| BARD ASSOCIATES INC | 4.1M | 540.7K |
| MORGAN STANLEY | 3.3M | 431.9K |
| MARSHALL WACE, LLP | 3.2M | 419.0K |
| UBS Group AG | 3.1M | 407.0K |
| MILLENNIUM MANAGEMENT LLC | 3.0M | 400.7K |
| CITADEL ADVISORS LLC | 2.7M | 356.7K |
| RENAISSANCE TECHNOLOGIES LLC | 2.0M | 260.0K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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