Zamboni Alessandro's Form 4 filing
Nuburu, Inc. (BURU) · filed Apr 22, 2026
- Accession no.
- 0001193125-26-170692
- Filed
- Apr 22, 2026, 4:53 PM ET
- Trade date
- Oct 1-Dec 31, 2025
- Filing delay
- 203 daysLate
- Rule 10b5-1 plan
- Not checked
This filing lists 2 non-derivative transactions. Open-market purchases total $1.50M. It was filed 203 days after the trade, past the 2-business-day deadline.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Zamboni AlessandroCIK 0002022188 | Director, Officer (Co-Chief Executive Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Common Stock | AGrant or awardAcquired | +355,511 | $0.00 | $0 | 355,511 | Direct | |
| Dec 31, 2025 | Common Stock | PPurchaseAcquired | +4,332,525 | $0.3453F2 | +$1,496,020.88 | 4,332,525 | Indirect |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
On December 31, 2025, Vanguard Holdings S.r.l., an entity owned by the reporting person, converted (i) a convertible promissory note in the amount of $545,000 issued by Nuburu, Inc. (the "Company"), plus outstanding interest, and (ii) a convertible promissory note in the amount of $900,000 issued by the Company, plus outstanding interest, in exchange for 21,619,298 shares of common stock at a conversion price equal to a 33.33% discount to the lowest daily volume weighted average price as reported by Bloomberg L.P. during the five days prior to the conversion date. The number of shares acquired and the price per share in the table have been adjusted for the 2026 Reverse Stock Split.
Referenced by the price of 1 transaction in Table I.