---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-162774"
form_type: "8-K"
ticker: "GIG"
cik: "0002023730"
company_name: "GigCapital7 Corp."
filed_at: "2026-04-20T23:59:59+00:00"
generated_at: "2026-05-15T05:23:36.720955+00:00"
event_type: "m_and_a"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# GigCapital7 cuts Hadron Energy acquisition valuation to $600M, extends outside date to May 31, 2026

## Summary
- Second Amendment reduces Aggregate Merger Consideration from ~100M shares to 60M shares, valuing Hadron at $600M (down from $1B).
- Outside Date extended from April 30 to May 31, 2026; special shareholder meeting set for May 7, 2026.
- GigCapital7 issued $293,000 amended promissory note to sponsor for working capital, convertible at $10/unit upon business combination.
- Hadron completed $7.5M pre-IPO SAFE equity round and SEC declared S-4 effective April 15, 2026.
- Hadron cites advanced nuclear market valuation recalibration; continues commercial progress with Paragon, Smartland MOU.

## SEC filing metadata
- accession: 0001193125-26-162774
- form_type: 8-K
- ticker: GIG
- cik: 0002023730
- company_name: GigCapital7 Corp.
- filed_at: 2026-04-20T23:59:59+00:00
- event_type: m_and_a
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 2.03, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2023730/000119312526162774/0001193125-26-162774-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2023730/000119312526162774/d144257d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-162774
- JSON: https://secwatch.observer/filing/0001193125-26-162774.json
- Plain text: https://secwatch.observer/filing/0001193125-26-162774.txt

## Source-grounded claims
- claim_id: 0626c1259529c75f6fa57dcb508da4c9a0960346
  claim: GigCapital7 Corp. amended convertible notes of $293,000.00 with GigAcquisitions7 Corp. at bears no interest maturing repayable in full upon the consummation of a business combination.
  evidence_excerpt: On April 16, 2026, GigCapital7 issued an amended and restated unsecured convertible promissory note (the “ Amended and Restated Working Capital Note ”) in the principal amount of $293,000.00 to GigAcquisitions7 Corp., a Cayman Islands exempted company (the “ Sponsor ”). The Amended and Restated Working Capital Note amends, restates, supersedes and replaces that certain unsecured convertible promissory note dated January 30, 2026, in the principal amount of $148,000 previously issued by GigCapital7 to the Sponsor (the “ Prior Note ”). The Company issued the Amended and Restated Working Capital Note in consideration for a loan from the Sponsor to fund GigCapital7’s working capital requirements. The Amended and Restated Working Capital Note is convertible at the Sponsor’s election upon the consummation of the initial business combination.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2023730/000119312526162774/0001193125-26-162774-index.htm

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