Recent 8-K filings for BURU

• June 1, 2026, 5:10 PM ET M&A materiality 0.70 neutral item 1.01 ◈ Material Agreements

  Nuburu agrees to acquire 70% stake in Tekne S.p.A. for up to €29.7M plus earn-out

  Nuburu to obtain 57.1% of Tekne via €29.692M subscription price (convertible receivable + up to €12M cash).

• May 15, 2026, 5:10 PM ET regulatory materiality 0.85 negative item 1.01item 3.01item 3.02

  Nuburu faces second NYSE noncompliance notice; swaps Series A for warrants to 4.4M shares

  Received NYSE American notice on May 12, 2026 for stockholders' equity below $4M (Section 1003(a)(ii)); existing compliance plan continues through Oct 29, 2026.

• March 25, 2026, 7:59 PM ET M&A materiality 0.75 positive item 1.01 ◈ Material Agreements

  Nuburu enters LOI to acquire 70% of Tekne S.p.A. for up to EUR 35.7M

  Tekne Letter signed March 19, 2026 for 70% equity stake, conditional on Italian Golden Power authorization.

• February 27, 2026, 6:59 PM ET M&A materiality 0.65 positive item 1.01 ◈ Material Agreements

  Nuburu enters defense JV with Maddox to develop mobile additive manufacturing platform

  Nuburu funds up to $4M in Phase I for Maddox's development of a containerized additive manufacturing platform for drone components.

• February 27, 2026, 6:59 PM ET other material materiality 0.75 negative item 3.03item 5.03item 9.01 ◈ Governance Changes

  Nuburu effects 1-for-4.99 reverse stock split to regain NYSE American compliance after halt

  Stock halted Feb 13 for price below $0.10; reverse split effective Feb 27.

• February 18, 2026, 6:59 PM ET other material materiality 0.80 neutral item 1.01item 3.01item 3.03item 5.03item 8.01item 9.01 ◈ Material Agreements

  Nuburu closes $12M public offering; enacts 1-for-4.99 reverse split to regain NYSE American compliance

  Net proceeds ~$11M from offering of 58.4M shares, 50.7M pre-funded warrants, and warrants for 163.6M shares at $0.11/unit.

• February 12, 2026, 6:59 PM ET other material materiality 0.75 neutral item 1.01item 2.01item 2.03item 3.02 ◈ Material Agreements ×3◈ Debt Financings◈ M&A Transactions

  Nuburu acquires 0.8% stake in Heckler & Koch for $15M via convertible note; exchanges Series A for warrant

  Purchased 295,000 H&K shares (0.8% stake) for $15M via zero-interest convertible note due March 2027, convertible at $0.1515/share.

• January 20, 2026, 6:59 PM ET M&A materiality 0.85 neutral item 1.01item 2.01item 2.03item 3.02

  Nuburu closes Lyocon acquisition, ups Orbit to 22%, executes Tekne agreements

  Lyocon acquired for $2.0M total: $750k cash plus two $625k convertible notes ($0.295 conversion price); earn-out up to $1M over 5 years.

• December 18, 2025, 6:59 PM ET debt materiality 0.75 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Equity Issuances ×4◈ Material Agreements ×3◈ Debt Financings

  Nuburu completes $25M debenture and warrant financing with YA II PN, LTD

  Issued $25M debenture and warrants exercisable for 230M shares at prices from $0.01 to $0.47.

• December 4, 2025, 6:59 PM ET M&A materiality 0.65 neutral item 1.01

  Nuburu signs binding term sheet to acquire Lyocon S.r.l. for up to $3M; close by Dec 31, 2025

  Upfront cash $500k plus $1.5M convertible promissory note; earnout up to $1M over five years.

• November 6, 2025, 6:59 PM ET M&A materiality 0.85 neutral item 1.01item 2.01item 9.01

  Nuburu acquires software firm Orbit for $12.5M from Chairman; $5M equity also invested

  Nuburu Defense to acquire Orbit from Vanguard (owned by Executive Chairman Zamboni) for $3.75M cash + $8.75M preferred shares.

• October 29, 2025, 7:59 PM ET other material materiality 0.65 positive item 7.01item 9.01

  Nuburu announces joint venture with Maddox Defense for military drones; $10M capital commitment

  Nuburu Defense to contribute up to $10M and hold controlling interest in new JV Company.

• October 7, 2025, 7:59 PM ET M&A materiality 0.75 neutral item 1.01item 5.02item 3.01item 9.01 ◈ Listing & Compliance Notices

  Nuburu to acquire Orbit from Executive Chairman for $12.5M; appoints Co-CEOs, faces audit committee non-compliance

  Binding LOI to acquire 100% of Orbit S.r.l. from Executive Chairman Zamboni for $12.5M (includes $5M investment and $8.75M in preferred shares subject to stockholder approval).

• September 17, 2025, 7:59 PM ET other material materiality 0.75 neutral item 1.01item 8.01item 9.01

  Nuburu raises $12M in public offering to fund defense-tech acquisitions and joint venture

  Raised $12M gross ($10.9M net) via 32.4M shares, 51.7M pre-funded warrants, and 126M common warrants.

• September 2, 2025, 7:59 PM ET M&A materiality 0.75 neutral item 1.01

  Nuburu modifies terms for Tekne acquisition; phased 70% stake at $42M, funding EUR 40M working capital

  Binding commitment letter executed Aug 27, 2025 for phased 70% stake in Tekne S.p.A. at $60M enterprise value (derived $42M for 70%).

• August 20, 2025, 7:59 PM ET other material materiality 0.85 negative item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings

  Nuburu settles $5.66M liabilities with stock; court approves Section 3(a)(10) exemption

  Court-approved settlement of $5.66M claims with Silverback Capital via unrestricted stock issuance under Section 3(a)(10).

• July 31, 2025, 7:59 PM ET other material materiality 0.75 negative item 1.01item 3.02item 9.01

  Nuburu settles $5.66M debt with Silverback via 3(a)(10) stock issuance at $0.3070/share

  Court-approved settlement exchanges at least $5,662,478.57 of claims for common stock at July 17 closing price of $0.3070; price may drop to 75% of 15-day low.

• July 28, 2025, 7:59 PM ET regulatory materiality 0.75 negative item 3.01item 9.01 ◈ Listing & Compliance Notices

  NYSE accepts Nuburu's compliance plan; stock to trade with .BC indicator through Oct 2026

  NYSE accepted the Compliance Plan and granted a plan period through October 29, 2026.

• July 14, 2025, 7:59 PM ET other material materiality 0.65 neutral item 5.07

  Nuburu shareholders approve share increase, reverse split, and financing issuances; reincorporation to Nevada fails

  Approved increase in authorized shares from 250M to 900M (23.7M for, 6.2M against).

• July 1, 2025, 7:59 PM ET debt materiality 0.60 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings ×2

  Nuburu issues $500K in convertible notes to Torcross, including $100K new capital

  Issued $400K face unsecured convertible note in exchange for 40,000 shares of Series A Preferred stock.

• June 25, 2025, 7:59 PM ET other material materiality 0.75 negative item 4.02 ◈ Auditor Changes

  Nuburu to restate Q1 2025 financials due to convertible note fair value errors

  Management concluded previously issued unaudited Q1 2025 financial statements should no longer be relied upon.

• June 24, 2025, 7:59 PM ET debt materiality 0.65 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings ×2

  Nuburu issues $1.3M in convertible notes to Bomore for preferred shares and cash

  Issued $1,050,000 convertible note to Bomore for transfer of 100,000 Series A Preferred shares.

• June 9, 2025, 7:59 PM ET debt materiality 0.75 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings ×2

  Nuburu issues $1.3M convertible notes to Brick Lane, cancels 100K Series A Preferred shares

  Issued $1.05M note in exchange for cancellation of 100K Series A Preferred shares; conversion at lowest 5-day VWAP.

• June 4, 2025, 7:59 PM ET other material materiality 0.70 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings

  Nuburu enters $100M SEPA with YA II PN and refinances $1M Agile loan

  SEPA allows Nuburu to sell up to $100M of common stock to YA II PN at 97% of lowest daily VWAP over 3 trading days.

• May 16, 2025, 7:59 PM ET regulatory materiality 0.85 negative item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings ×3

  Nuburu enters $0.8M financing and faces NYSE delisting risk due to negative equity

  Issued three secured/convertible notes totaling ~$782K in capital (Agile $500K, Diagonal $188K, Boot $94K) with total face value ~$863K.

• May 5, 2025, 7:59 PM ET regulatory materiality 0.85 negative item 3.01item 8.01item 9.01 ◈ Listing & Compliance Notices

  Nuburu receives NYSE American noncompliance notice for negative stockholders' equity; faces potential delisting

  NYSE notice for violating Section 1003(a)(i): must maintain $2M+ stockholders' equity; currently negative equity.

• April 28, 2025, 7:59 PM ET debt materiality 0.65 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings ×2

  Nuburu issues $3.53M in convertible notes to Indigo Capital for cash and refinancing

  Issued $1.42M face convertible note to Indigo Capital for $1.35M cash infusion; no interest, matures Apr 2026.

• April 15, 2025, 7:59 PM ET other material materiality 0.80 negative item 4.02item 9.01 ◈ Auditor Changes

  Nuburu restates FY2023 and interim 2024 financials due to material misstatements in debt accounting

  Two misstatements: debt issuance costs misclassified in G&A instead of interest expense, and accrued interest omitted from Senior Convertible Notes principal.

• March 20, 2025, 7:59 PM ET other material materiality 0.75 neutral item 1.01item 3.02item 9.01

  Nuburu enters up to $5.15M convertible facility with SYME; issues 9.9M shares for services and escrow

  Up to $5.15M convertible funding facility with Supply@ME Capital (SYME); maturity June 30, 2026, interest at Fed funds rate +10%.

• March 11, 2025, 7:59 PM ET other material materiality 0.80 positive item 2.01item 8.01

  Nuburu eliminates all long-term debt via collateral sale; acquires initial 20% stake in defense-tech firm

  Collateral auction transferred assets to senior secured lender affiliate; junior and senior secured notes fully discharged and extinguished.

• March 10, 2025, 7:59 PM ET debt materiality 0.65 negative item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings ×2

  Nuburu issues convertible notes for $1.5M cash, extinguishes $895K senior notes with Indigo Capital

  Issued $1,578,495 face amount convertible note to Indigo Capital for $1,500,000 cash; no interest, matures March 1, 2026.

• March 5, 2025, 6:59 PM ET M&A materiality 0.65 positive item 1.01item 7.01item 9.01

  Nuburu and HUMBL sign $2M equity swap; Nuburu gets exclusive Brazil distribution

  Nuburu issues $2M common stock to HUMBL; receives equal value Series C Preferred.

• February 21, 2025, 6:59 PM ET M&A materiality 0.70 neutral item 1.01

  Nuburu enters commitment to acquire defense-tech license and controlling interests for up to $25M

  First stage: $1.5M cash + $23.5M notes for 20% ownership and technology license in defense-tech target.

• February 18, 2025, 6:59 PM ET other material materiality 0.85 negative item 8.01

  Nuburu noteholder delays asset sale to March 5; bids due Feb 28

  Company previously in default on senior notes; notice of default and acceleration sent Dec 20, 2024.

• February 12, 2025, 6:59 PM ET other material materiality 1.00 negative item 8.01

  Nuburu faces public sale of assets on Feb 19, 2025 after senior note default

  On Feb 6, 2025, Nuburu received notice of a public asset sale on Feb 19, 2025.

• February 7, 2025, 6:59 PM ET leadership materiality 0.60 neutral item 5.02 ◈ executive_change ×3

  Nuburu accepts resignations of three directors under Transformation Plan

  Daniel Hirsch, Elizabeth Mora, and Brian Knaley resigned from the board effective Jan 31, 2025.

• January 17, 2025, 6:59 PM ET other material materiality 0.80 negative item 1.01item 5.02 ◈ executive_change ×3

  Nuburu enters agreement to restructure defaulted notes; appoints new executive chairperson

  SFE EI commits to repay/settle defaulted promissory notes and fund operations for 12 months under Transformation Plan.

• December 20, 2024, 6:59 PM ET debt materiality 0.85 negative item 2.04

  Nuburu receives default acceleration notice on ~$6.8M Senior Convertible Notes

  Lead Investor issued notice of default and acceleration on Dec 16, 2024.

Executive changes

Earnings & guidance

Materiality & sentiment trend

Max materiality 1.00 · Median 0.72 · Most common event other_material

5 positive 16 negative 29 neutral

source · BURU on sec.gov