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aTyr Pharma, Inc.

ATYR
Healthcare|Biotechnology|US
$6.35
+0.32 (+5.31%)
Tangible Book / Share
$13.76
Cash / Share
$20.46

About

aTyr Pharma, Inc., a biopharmaceutical firm established in San Diego, California, in 2005, is dedicated to the discovery and advancement of therapeutic solutions. Operating within the United States, the company's research focuses on pioneering novel immunological pathways to address various medical conditions. Its primary investigational drug, efzofitimod, functions as a selective modulator of NRP2. This compound is currently undergoing a Phase III clinical trial for pulmonary sarcoidosis. Additionally, efzofitimod is being evaluated in a Phase 1b/2a clinical study for the treatment of other interstitial lung diseases (ILDs), including conditions such as chronic hypersensitivity pneumonitis and ILDs linked to connective tissue diseases. Beyond its lead candidate, aTyr Pharma's pipeline features ATYR0101, a fusion protein derived from a domain of aspartyl-tRNA synthetase, which is in preclinical stages of development for combating fibrosis. The company is also progressing with ATYR0750, a domain sourced from alanyl-tRNA synthetase, intended for the management of liver disorders. Furthermore, aTyr Pharma has entered into a strategic collaboration and licensing agreement with Kyorin Pharmaceutical Co., Ltd. This partnership is focused on the development and commercialization of efzofitimod for interstitial lung diseases specifically within the Japanese market.

Stock Price

-79.4%(1Y)
1M
-37.8%
3M
-69.0%
6M
-83.2%
YTD
-79.7%
1Y
-79.9%
3Y
-90.8%
5Y
-90.8%

Pipeline Summary

10 total trials
6
Phase 1
8
Phase 2
1
Phase 3
0
Phase 4
Completed: 9Recruiting: 1

Active Trials (1)

Study to Evaluate the Efficacy, Safety, and Tolerability of Efzofitimod in Patients With Systemic Sclerosis (SSc)-Related Interstitial Lung Disease (ILD) (SSc-ILD)
NCT05892614Interstitial Lung Disease
Phase 2Recruiting
Enrollment: 25 participants

Key Facts

Market Cap$15.6M
Employees56 (+0% YoY)
CEOSanjay S. Shukla
IPO DateMay 7, 2015
Beta0.53
52-Week Range$4.07 – $44.4
Avg Volume83,153
ExchangeNASDAQ

Ownership

Float99.8%
Shares Outstanding2.5M

Recent Insider Trades

Yaras BrandonAWARD
Oct 1, 2026410,000 shares @ $0.30
Yaras BrandonOTHER
Oct 1, 202670,000 shares @ $3.48
Yaras BrandonOTHER
Oct 1, 202628,450 shares @ $2.19
Yaras BrandonOTHER
Oct 1, 202655,000 shares @ $1.50
Yaras BrandonOTHER
Oct 1, 202684,142 shares @ $3.74

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Data last updated: Nov 9, 2026, 03:57 AM