---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-132823"
form_type: "8-K"
ticker: "RAIN"
cik: "0002028293"
company_name: "Rain Enhancement Technologies Holdco, Inc."
filed_at: "2024-12-31T23:59:59+00:00"
generated_at: "2026-05-28T22:19:59.096555+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Rain Enhancement Technologies completes SPAC merger with Coliseum; to list on Nasdaq Jan 2

## Summary
- Business combination with Coliseum Acquisition Corp. completed; RAIN and RAINW to trade Jan 2, 2025.
- Randy Seidl appointed Co-CEO effective Jan 2; will work with Chris Riley through transition.
- Company develops ionization rainfall generation technology; 16% additional rainfall in Oman trial.
- Targets water scarcity solutions for energy, agriculture, logistics, and governments globally.
- Board includes Christopher Riley, Randy Seidl, Harry You, Alexandra Steele, Lyman Dickerson, J. Eric Smith.

## SEC filing metadata
- accession: 0001104659-24-132823
- form_type: 8-K
- ticker: RAIN
- cik: 0002028293
- company_name: Rain Enhancement Technologies Holdco, Inc.
- filed_at: 2024-12-31T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028293/000110465924132823/0001104659-24-132823-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028293/000110465924132823/tm2432362d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-132823
- JSON: https://secwatch.observer/filing/0001104659-24-132823.json
- Plain text: https://secwatch.observer/filing/0001104659-24-132823.txt

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