---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-309619"
form_type: "8-K"
ticker: "ATYR"
cik: "0001339970"
company_name: "aTYR PHARMA INC"
filed_at: "2025-12-05T23:59:59+00:00"
generated_at: "2026-05-16T14:13:12.157145+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# aTyr Pharma receives Nasdaq bid-price deficiency notice; 180 days to cure

## Summary
- On Dec 4, 2025, Nasdaq notified ATYR that its common stock closed below $1.00 for 30 consecutive business days.
- Company has until June 2, 2026 to regain compliance with Nasdaq Listing Rule 5550(a)(2).
- If not cured, may be eligible for a second 180-day period by meeting other initial listing standards.
- Company may consider a reverse stock split if needed to cure the deficiency.
- Failure to regain compliance could lead to delisting and an appeal process.

## SEC filing metadata
- accession: 0001193125-25-309619
- form_type: 8-K
- ticker: ATYR
- cik: 0001339970
- company_name: aTYR PHARMA INC
- filed_at: 2025-12-05T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1339970/000119312525309619/0001193125-25-309619-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1339970/000119312525309619/atyr-20251204.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-309619
- JSON: https://secwatch.observer/filing/0001193125-25-309619.json
- Plain text: https://secwatch.observer/filing/0001193125-25-309619.txt

## Source-grounded claims
- claim_id: 31ad844f9b2409470ec0e30f123349b6a5212d85
  claim: aTYR PHARMA INC received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2)).
  evidence_excerpt: December 4, 2025, aTyr Pharma, Inc. (the “Company”) received a deficiency notice (the “Notice”) from the listing qualifications staff (the “Staff”) of The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that, for the last 30 consecutive business days preceding the date of the Notice, the bid price of the Company’s common stock had closed below $1.00 per share, the minimum closing bid price required by the continued listing requirements of Nasdaq Listing Rule 5550(a)(2). The Notice has no immediate effect on the listing of the Company’s common stock on The Nasdaq Capital Market. In acc
  evidence_url: https://www.sec.gov/Archives/edgar/data/1339970/000119312525309619/0001193125-25-309619-index.htm

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