---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-037857"
form_type: "8-K"
ticker: "SKYH"
cik: "0001823587"
company_name: "Sky Harbour Group Corp"
filed_at: "2025-12-15T23:59:59+00:00"
generated_at: "2026-05-16T13:15:07.548557+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Sky Harbour subsidiary issues $15M promissory note to Yorkville; issues 50,000 shares

## Summary
- $15M non-convertible unsecured promissory note issued by Sky Harbour LLC to Yorkville, maturing June 8, 2027.
- Interest rate 7.75% (18% upon default); quarterly principal payments of $1.25M begin July 8, 2026.
- Company guarantees the note; proceeds for working capital and general corporate purposes.
- Issues 50,000 shares of Class A common stock to Yorkville in registered direct offering under shelf registration.

## SEC filing metadata
- accession: 0001437749-25-037857
- form_type: 8-K
- ticker: SKYH
- cik: 0001823587
- company_name: Sky Harbour Group Corp
- filed_at: 2025-12-15T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1823587/000143774925037857/0001437749-25-037857-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1823587/000143774925037857/ysac20251212_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-037857
- JSON: https://secwatch.observer/filing/0001437749-25-037857.json
- Plain text: https://secwatch.observer/filing/0001437749-25-037857.txt

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