---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-292834"
form_type: "8-K"
ticker: "AVLN"
cik: "0001540171"
company_name: "Avalyn Pharma Inc."
filed_at: "2026-07-01T21:20:55+00:00"
generated_at: "2026-07-01T21:22:06.006648+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Avalyn Pharma expands Boston sublease by ~4,934 sq ft; lease payments rise ~$924k

## Summary
- Expands subleased premises from ~8,774 to ~13,708 rentable square feet at 105 W First Street, Boston.
- Future minimum lease payments increase by ~$924,000 over the remaining term ending Jan 31, 2029.
- Expansion effective upon master landlord's consent; Sublandlord may rescind if consent not received within 30 days.
- Base rent for Expansion Premises starts at $28,781.67/month, escalating to $30,534.47/month in final year.
- Subtenant gets 2 garage parking passes (up from 1) and use of existing furniture in the expansion space.

## SEC filing metadata
- accession: 0001193125-26-292834
- form_type: 8-K
- ticker: AVLN
- cik: 0001540171
- company_name: Avalyn Pharma Inc.
- filed_at: 2026-07-01T21:20:55+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1540171/000119312526292834/0001193125-26-292834-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1540171/000119312526292834/ck0001540171-20260629.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-292834
- JSON: https://secwatch.observer/filing/0001193125-26-292834.json
- Plain text: https://secwatch.observer/filing/0001193125-26-292834.txt

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