# EDGAR Filing Document

**Accession Number:** 0001339970
**File Stem:** 0001339970-26-000023
**Filing Date:** 2026-3
**Character Count:** 1204
**Document Hash:** e840b63a1a99f7e9718e7ad6d2442f98
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001339970-26-000023.hdr.sgml**: 20260326

**ACCESSION NUMBER**: 0001339970-26-000023

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260326

**DATE AS OF CHANGE**: 20260326

**EFFECTIVENESS DATE**: 20260326

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** aTYR PHARMA INC
- **CENTRAL INDEX KEY:** 0001339970
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 203435077
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37378
- **FILM NUMBER:** 26798315

**BUSINESS ADDRESS:**
- **STREET 1:** 10240 SORRENTO VALLEY ROAD
- **STREET 2:** SUITE 300
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 8587318389

**MAIL ADDRESS:**
- **STREET 1:** 10240 SORRENTO VALLEY ROAD
- **STREET 2:** SUITE 300
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

### Attached PDF Documents

**Attachment 1:** `2025annual_report.pdf`

_No text found in this document._