secwatch.observer — SEC 8-K summary
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Issuer:     GigCapital7 Corp. (GIG)
CIK:        0002023730
Form:       8-K
Filed at:   2026-05-27T22:39:35+00:00
Accession:  0001193125-26-242343
Event type: m_and_a
Sentiment:  positive
Materiality: 0.75
Item codes: 1.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Hadron Energy completes SPAC merger with GigCapital7; net cash ~$24.5M, zero debt
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- 84% of GigCapital7 public shares redeemed (16.8M shares) for ~$180.3M; remaining trust ~$28M.
- Total cash at close ~$31M from trust and $2.8M SAFE bridge; after ~$6.5M expenses, net cash ~$24.5M with zero debt.
- Combined company renamed Hadron Energy, Inc.; stock begins trading May 26 under HDRN (common) and HDRNW (warrants).
- First publicly traded light-water micro-modular reactor firm; pro forma equity valuation ~$766M.
- Halo MMR: 10 MWe, factory-built, 10-year refueling cycle; Principal Design Criteria whitepaper submitted to NRC April 22, 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/2023730/000119312526242343/0001193125-26-242343-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/2023730/000119312526242343/d23892d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-242343

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer