---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-083251"
form_type: "8-K"
ticker: "LYRA"
cik: "0001327273"
company_name: "Lyra Therapeutics, Inc."
filed_at: "2026-02-27T23:59:59+00:00"
generated_at: "2026-05-15T23:00:01.021811+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Lyra Therapeutics receives default notice for $484K unpaid rent; wind-down continues

## Summary
- Received default notice from sublessor RVAC on Feb 23, 2026 for unpaid rent at Waltham office.
- Aggregate unpaid rent totals $484,431.92 as of the notice date.
- Company previously announced ceasing operations and wind-down on Jan 12, 2026.
- Proposed sublease termination with Jan 31, 2026 surrender, but parties could not agree.
- No assurance that obligations can be resolved outside of a bankruptcy process.

## SEC filing metadata
- accession: 0001193125-26-083251
- form_type: 8-K
- ticker: LYRA
- cik: 0001327273
- company_name: Lyra Therapeutics, Inc.
- filed_at: 2026-02-27T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- confidence: high
- sec_items: 2.04
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1327273/000119312526083251/0001193125-26-083251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1327273/000119312526083251/d103240d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-083251
- JSON: https://secwatch.observer/filing/0001193125-26-083251.json
- Plain text: https://secwatch.observer/filing/0001193125-26-083251.txt

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