IRIX — IRIDEX CORP
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 2016-01-04.
Performance
Technicals
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Measured signals that fired on IRIX
| date | signal | measured base rate |
|---|---|---|
| 2026-08-07 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-06-23 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 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 |
|---|---|---|---|---|---|
| 2026-07-10 | Mercer Patrick President and CEO | Grant or award | 100.0K | 0.00 | 0 |
| 2026-07-10 | Dizon Romeo R Chief Financial Officer | Grant or award | 30.0K | 0.00 | 0 |
| 2026-07-07 | Novel Inspiration International Co., Ltd. 10% owner | Other Acquisition/Disposition | 112.0K | — | — |
| 2026-07-07 | Lin Shih-Yao David 10% owner | Other Acquisition/Disposition | 112.0K | — | — |
| 2026-06-13 | Mercer Patrick President and CEO | Shares withheld for tax | 4.0K | 1.12 | 4.5K |
| 2026-06-13 | Dizon Romeo R Chief Financial Officer | Shares withheld for tax | 2.7K | 1.12 | 3.0K |
| 2026-06-12 | Dizon Romeo R Chief Financial Officer | Open-market purchase | 975 | 1.14 | 1.1K |
| 2026-06-11 | Dizon Romeo R Chief Financial Officer | Open-market purchase | 1.7K | 1.14 | 1.9K |
| 2026-06-08 | Dizon Romeo R Chief Financial Officer | Open-market purchase | 2.4K | 1.12 | 2.7K |
| 2026-06-05 | Dizon Romeo R Chief Financial Officer | Open-market purchase | 2.5K | 1.15 | 2.9K |
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 |
|---|---|---|
| PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE | 1.0M | 1.0M |
| VANGUARD CAPITAL MANAGEMENT LLC | 519.7K | 514.6K |
| RENAISSANCE TECHNOLOGIES LLC | 400.6K | 396.6K |
| WEBER CAPITAL MANAGEMENT LLC /ADV | 262.2K | 259.6K |
| GEODE CAPITAL MANAGEMENT, LLC | 161.8K | 160.2K |
| CITADEL ADVISORS LLC | 61.5K | 60.9K |
| VANGUARD FIDUCIARY TRUST CO | 60.8K | 60.2K |
| UNITED CAPITAL FINANCIAL ADVISORS, LLC | 58.1K | 57.5K |
| PERKINS CAPITAL MANAGEMENT INC | 55.9K | 55.3K |
| THOMPSON DAVIS & CO., INC. | 47.9K | 47.4K |
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 →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 8-K | 2026-07-16 | 2026-07-10 | on EDGAR ↗ |
| 4 | 2026-07-14 | 2026-07-10 | on EDGAR ↗ |
| 4 | 2026-07-14 | 2026-07-10 | on EDGAR ↗ |
| SCHEDULE 13D/A | 2026-07-13 | — | on EDGAR ↗ |
| 4 | 2026-07-08 | 2026-07-07 | on EDGAR ↗ |
| 8-K | 2026-06-18 | 2026-06-12 | on EDGAR ↗ |
| 4 | 2026-06-16 | 2026-06-13 | on EDGAR ↗ |
| 4 | 2026-06-16 | 2026-06-13 | on EDGAR ↗ |
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 →
Recent headlines
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