---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-078736"
form_type: "8-K"
ticker: "RAIN"
cik: "0002028293"
company_name: "Rain Enhancement Technologies Holdco, Inc."
filed_at: "2026-07-16T20:33:27+00:00"
generated_at: "2026-07-16T20:34:26.660424+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# Rain Enhancement Technologies files prospectus supplement to S-3 shelf registration

## Summary
- Filed prospectus supplement to Form S-3 (File No. 333-297172) on July 16, 2026.
- Legal opinion from TCF Law Group, PLLC regarding legality of shares attached as Exhibit 5.1.
- No details on size or terms of potential offering disclosed.

## SEC filing metadata
- accession: 0001213900-26-078736
- form_type: 8-K
- ticker: RAIN
- cik: 0002028293
- company_name: Rain Enhancement Technologies Holdco, Inc.
- filed_at: 2026-07-16T20:33:27+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028293/000121390026078736/0001213900-26-078736-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028293/000121390026078736/ea0298186-8k_rain.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-078736
- JSON: https://secwatch.observer/filing/0001213900-26-078736.json
- Plain text: https://secwatch.observer/filing/0001213900-26-078736.txt

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