What is ATYR's dilution risk score?

ATYR has a latest available DilutionScore record of 36/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ATYR, including shelf registrations, ATM offerings, warrant exercises, PIPE deals, and reverse split signals when detected in source data.

What SEC filings does DilutionWatch track for ATYR?

DilutionWatch tracks 25 SEC filing types for ATYR including S-3 shelf registrations, 424B prospectuses (ATM offerings), S-1 registration statements, 8-K material events, warrant exercise notices, convertible note agreements, and Form 4 insider transactions. Alerts are delivered via email within minutes of a filing appearing on EDGAR.

How does stock dilution affect ATYR shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For ATYR, common dilution events include at-the-market (ATM) stock offerings, shelf registration drawdowns, warrant exercises, and convertible note conversions. Each event increases the share count and can pressure the stock price lower.

Is DilutionWatch free for ATYR tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ATYR. Premium plans ($19.95/month Basic, $39.95/month Premium) unlock real-time email alerts, the full Pulse™ feed, advanced dilution forecasts, and access to all 10,000+ tracked tickers.

ATYR Dilution Risk Score: 36/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

46

💰 Cash Runway

25

📊 Float Risk

15

⚠️ Warrant Exposure

40

🔄 Convertible Debt

60

Dilution Forecast

🌥️

Advisory

Moderate dilution signals present

model est. 39%

🔄 Reverse Split model est. 55%

• 50-day avg $0.74 below $1 exchange minimum

🔁 Convertible Conversion model 40%

• Significant convertible debt: 19% potential dilution

• Elevated convertible risk (60/100)

🔔 Track ATYR — Get forecast alerts →

Market Data

Market Cap$53.19M

Shares Outstanding98.09M

Float95.61M

Cash$95.16M

Debt$5.80M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 14.6% shares (2026Q1 vs prior)

113 institutional holders · 65.31M shares

#1 FMR LLC 14.71M shares

#2 FEDERATED HERMES, INC. 10.51M shares

#3 VANGUARD CAPITAL MANAGEMENT LLC 7.62M shares

+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest9.73M

Days to Cover11.8

% of Float10.2%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2015-12-31

SC 13G/A BENEFICIAL OWNERSHIP 2026-07-27

SC 13G/A BENEFICIAL OWNERSHIP 2026-07-08

4 INSIDER TRANSACTION 2026-02-04

Full SEC filing analysis available with free account →

Recent News

Update: ATyr Pharma Fiscal Q2 Loss Narrows; Announces Restructuring Plans MT Newswires · Aug 07

Atyr Pharma: Q2 Earnings Snapshot Associated Press · Aug 07

ATyr Pharma Fiscal Q2 Loss Narrows MT Newswires · Aug 07

Factual ATYR Dilution Snapshot

aTyr Pharma, Inc. (ATYR) has a DilutionScore of 36/100, rated Medium dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for ATYR: SC 13G/A on 2026-07-27; SC 13G/A on 2026-07-08; 4 on 2026-02-04.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.