Recent 8-K filings for APUR

• September 16, 2026, 5:25 PM ET M&A materiality 0.85 neutral item 1.01item 9.01

  Aperture AC signs $150M business combination with Atlantic HPC Group; up to 6M earnout shares

  Aperture AC to merge with data center company Atlantic HPC Group; SPAC redomiciles from Cayman Islands to Delaware.

• September 11, 2026, 7:45 AM ET M&A materiality 0.85 neutral item 7.01item 9.01

  Aperture AC merges Atlantic HPC for $150M, to list as AHPC

  Aperture AC acquires Atlantic HPC for $150M pre-money, payable in 15M Class A shares at $10.00 each.

• May 22, 2026, 5:25 PM ET other material materiality 0.75 positive item 1.01item 3.02item 5.02item 5.03item 8.01item 9.01 ◈ Equity Issuances◈ Governance Changes

  Aperture AC closes $102M SPAC IPO; 10.2M units at $10 each, trust funded with $102.3M

  IPO closed on May 22, 2026: 10,200,000 units sold at $10.00 each, gross proceeds $102,000,000, including 1,200,000 over-allotment units.

Materiality & sentiment trend

Max materiality 0.85 · Median 0.53 · Most common event m_and_a

3 positive 0 negative 5 neutral

source · APUR on sec.gov