dMY Squared Technology Group, Inc. 8-K

What Happened
dMY Squared Technology Group, Inc. (DMYY) filed a Form 8-K on March 10, 2026 (Item 7.01) disclosing that it and Horizon Quantum announced several milestones in Horizon’s business and in the parties’ previously announced proposed business combination. dMY and Horizon issued a press release on March 10, 2026 (furnished as Exhibit 99.1) and invited interested parties to join a live X Spaces event to discuss the transaction and related developments. The business combination agreement was originally entered on September 9, 2025.

Key Details

• The filing is a Regulation FD disclosure (Item 7.01) dated March 10, 2026.
• The press release announcing milestones and the X Spaces invitation is furnished as Exhibit 99.1 to the 8-K.
• The underlying Business Combination Agreement between dMY and Horizon was executed on September 9, 2025.
• The Form 8-K does not attach new financial statements or other transaction documents beyond the press release and interactive data file.

Why It Matters
This 8-K provides an operational update on the proposed merger between dMY and Horizon Quantum and a public investor event, giving shareholders a chance to hear management commentary directly. For investors, the filing signals ongoing activity and public communications around the transaction timeline but does not, by itself, provide new financial results or additional binding transaction terms.