Nuburu (BURU)CEO bought ~$1.5M

~$1.5M

Approx. value · 4.33M sh @ $0.3453

4.33M

Holds after · shares reported

Traded

Dec 31, 2025

Filed

Apr 23, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Oct 31, 2025Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement“The information contained in Item 1.01 of this Current Report on Form 8-K is incorporated by reference herein in its entirety. Important Information and Where to Find It In connection with the transaction described herein, the Company intends to file relevant materials with the Securities and Exchange Commission (“SEC”), including a proxy statement.”
2. Nov 28, 2025Company filing · Form 8-K · Material agreementSigned an important agreement
3. Dec 13, 2025Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 1 more item)
4. Dec 31, 2025 · this disclosureInsider · 13 days before an 8-KCEO purchased ~$1.5M of BURU shares in the open market

What came next

1. Jan 13, 2026Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement (and 2 more items)“On January 15, 2026 (the “Closing Date”), Nuburu, Inc. (the “Company”), through Nuburu Subsidiary, Inc. (“Nuburu Subsidiary”), consummated the previously announced acquisition (the “Lyocon Acquisition”) of all of the ownership interests in Lyocon S.r.l.”
2. Feb 6, 2026Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement (and 2 more items)“The description in Item 1.01 is incorporated by reference.”
3. Feb 12, 2026Company filing · Form 8-K · Material agreement, Listing noticeReceived a notice from its stock exchange, and signed an important agreement (and 3 more items)“The information set forth in Item 3.03 is hereby incorporated by reference into this”
4. Feb 26, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
5. Feb 27, 2026Company filing · Form 8-K · Shareholder rights, Bylaws or charterChanged the rights of its shareholders, and changed its bylaws, charter or fiscal year
6. Mar 3, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
7. Mar 12, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
8. Mar 12, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
9. Mar 16, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“Effective March 16, 2026, the Board of Directors (the “ Board ”) of Nuburu, Inc. (the “ Company ”) approved the following compensation matters for the Co-Chief Executive Officers (the “ Co-CEOs ”) and the independent non-employee directors (the “ Non-Employee Directors ”) of the Company.”
10. Mar 25, 2026Company filing · Form 8-K · Material agreementSigned an important agreement

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Nuburu

OQRO holds no insider, Congress, fund or contract record for Nuburu dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its BURU page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans