Nuburu (BURU) Stock Surges Over 20% After Hours: Why Is It Moving?

Nuburu Inc. (NYSEAMERICAN: BURU) shares surged 20.21% after hours to $0.34 on Wednesday after Co-CEO Alessandro Zamboni filed insider ownership disclosures with the Securities and Exchange Commission, detailing prior stock grants and convertible note conversions.

Insider Filing

The filing reported a grant of 1.77 million restricted stock units to Zamboni on October 1, 2025, which vested on October 31, 2025. Following the company's 1-for-4.99 reverse stock split effective March 2, 2026, the award was restated to 355,511 shares.

Separately, his entity, an investment vehicle, Vanguard Holdings S.r.l., converted $1.4 million in convertible notes, along with accrued interest, into 4.33 million shares at $0.3453 per share in December 2025. The total transaction value was approximately $1.5 million.

What Investors Need To Know?

The conversion was priced at a 33.33% discount to the five-day VWAP prior to the December 2025 conversion date, raising dilution concerns for existing shareholders, as new shares were issued below prevailing market prices.

In late March, Nuburu posted fourth-quarter earnings per share of -$0.32.

Trading Metrics, Technical Analysis

Nuburu has a market capitalization of $43.49 million, with a 52-week high of $4.24 and a 52-week low of $0.15.

The stock has a Relative Strength Index (RSI) of 56.47.

Over the past 12 months, the small-cap stock has dropped 64.42%.

Currently, the stock of the laser-technology company is about 3.2% up from its 52-week low, indicating it is near the low end of its annual range.

Price Action: According to Benzinga Pro data, BURU closed regular trading up 8.03% at $0.28.

Benzinga’s Edge Stock Rankings indicate that BURU is experiencing short-term upward movement along with medium and long-term consolidation.

Photo: Beautyimage / Shutterstock

Disclaimer: This content was partially produced with the help of AI tools and was reviewed and published by Benzinga editors.