---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-036925"
form_type: "8-K"
ticker: null
cik: "0001915380"
company_name: "dMY Squared Technology Group, Inc."
filed_at: "2025-02-26T23:59:59+00:00"
generated_at: "2026-05-26T03:58:21.514220+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# dMY Squared CEO resigns; SPAC signs $500M LOI with Horizon Quantum Computing

## Summary
- CEO Niccolo de Masi resigned immediately; no disagreement with board.
- Harry L. You (CFO/Chairman) appointed CEO, retaining CFO and Chairman roles.
- Non-binding LOI with Horizon Quantum Computing for business combination; pre-money equity value ~$500M.
- Combined company to be publicly listed; led by Horizon CEO Dr. Joe Fitzsimons.
- Definitive agreement expected Q2 2025; closing targeted by year-end, subject to conditions.

## SEC filing metadata
- accession: 0001193125-25-036925
- form_type: 8-K
- cik: 0001915380
- company_name: dMY Squared Technology Group, Inc.
- filed_at: 2025-02-26T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1915380/000119312525036925/0001193125-25-036925-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1915380/000119312525036925/d846783d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-036925
- JSON: https://secwatch.observer/filing/0001193125-25-036925.json
- Plain text: https://secwatch.observer/filing/0001193125-25-036925.txt

## Key facts
- Executive change
  Niccolo de Masi resigned as Member of the Board of Directors at dMY Squared Technology Group, Inc..
  - Action: resigned
  - Role: Member of the Board of Directors
  source text: On February 26, 2025, Niccolo de Masi, an officer and a member of the Board of Directors (the “Board”) of dMY Squared Technology Group, Inc. (the “Company”), notified the Company of his decision to resign as Chief Executive Officer of the Company and as a member of the Board, effective immediately, in order to pursue another opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1915380/000119312525036925/0001193125-25-036925-index.htm
- Executive change
  Niccolo de Masi resigned as Chief Executive Officer at dMY Squared Technology Group, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: On February 26, 2025, Niccolo de Masi, an officer and a member of the Board of Directors (the “Board”) of dMY Squared Technology Group, Inc. (the “Company”), notified the Company of his decision to resign as Chief Executive Officer of the Company and as a member of the Board, effective immediately, in order to pursue another opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1915380/000119312525036925/0001193125-25-036925-index.htm
- Executive change
  Harry L. You was appointed as Chief Executive Officer at dMY Squared Technology Group, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: Effective February 26, 2025, Harry L. You, the Company’s Chief Financial Officer and Chairman, was appointed as Chief Executive Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1915380/000119312525036925/0001193125-25-036925-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.