BURU — Nuburu, 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 2023-02-01.
Performance
Technicals
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Measured signals that fired on BURU
| date | signal | measured base rate |
|---|---|---|
| 2026-04-22 | Conviction buy by an officer insider | -1.03% over 21 days · t = -2.24 · n = 1,083 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 |
|---|---|---|---|---|---|
| 2025-12-31 | Zamboni Alessandro Co-Chief Executive Officer | Open-market purchase | 4.3M | 0.35 | 1.5M |
| 2025-10-01 | Barisoni Dario Co-Chief Executive Officer | Grant or award | 1.8M | 0.00 | 0 |
| 2025-10-01 | Zamboni Alessandro Co-Chief Executive Officer | Grant or award | 355.5K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 25.5K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 133.0K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 61.1K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 52.9K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 20.0K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 5.4K | 0.00 | 0 |
| 2024-11-21 | Haring-Smith Whitney | Other Acquisition/Disposition | 24.3K | 0.00 | 0 |
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 | 1.1M | 6.1M |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 420.1K | 2.4M |
| GEODE CAPITAL MANAGEMENT, LLC | 183.9K | 1.0M |
| VANGUARD FIDUCIARY TRUST CO | 151.6K | 856.3K |
| UBS Group AG | 143.7K | 812.0K |
| Allworth Financial LP | 21.1K | 118.8K |
| Qube Research & Technologies Ltd | 11.2K | 63.3K |
| STATE STREET CORP | 10.7K | 60.3K |
| NORTHERN TRUST CORP | 8.2K | 46.4K |
| HM PAYSON & CO | 7.4K | 41.5K |
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 | |
|---|---|---|---|
| 10-Q | 2026-08-14 | 2026-06-30 | on EDGAR ↗ |
| SCHEDULE 13G | 2026-07-23 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-07-22 | — | on EDGAR ↗ |
| 8-K | 2026-07-21 | 2026-07-15 | on EDGAR ↗ |
| 424B4 | 2026-07-17 | — | on EDGAR ↗ |
| EFFECT | 2026-07-15 | — | on EDGAR ↗ |
| S-1 | 2026-07-13 | — | on EDGAR ↗ |
| DRS | 2026-07-07 | — | 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
- Nuburu, Inc. (BURU) filed form 10-Q · 2026-08-14 · SEC EDGAR
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