---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-048145"
form_type: "8-K"
ticker: "ATYR"
cik: "0001339970"
company_name: "aTYR PHARMA INC"
filed_at: "2021-09-16T23:59:59+00:00"
generated_at: "2026-06-29T03:11:01.265351+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# aTyr Pharma prices $75M public offering of 9.375M shares at $8.00 per share

## Summary
- Gross proceeds expected ~$75M from 9,375,000 shares at $8.00/share.
- Underwriters granted 30-day option to purchase up to 1,406,250 additional shares.
- Offering expected to close on September 20, 2021, subject to customary conditions.
- Joint book-running managers: Piper Sandler and RBC Capital Markets; Laidlaw & Co. as lead manager.

## SEC filing metadata
- accession: 0001564590-21-048145
- form_type: 8-K
- ticker: ATYR
- cik: 0001339970
- company_name: aTYR PHARMA INC
- filed_at: 2021-09-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1339970/000156459021048145/0001564590-21-048145-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1339970/000156459021048145/life-8k_20210915.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-048145
- JSON: https://secwatch.observer/filing/0001564590-21-048145.json
- Plain text: https://secwatch.observer/filing/0001564590-21-048145.txt

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