What is ATRC's dilution risk score?

ATRC has a latest available DilutionScore record of 24/100, categorized as low dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ATRC, 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 ATRC?

DilutionWatch tracks 25 SEC filing types for ATRC 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 ATRC shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For ATRC, 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 ATRC tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ATRC. 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.

ATRC Dilution Risk Score: 24/100 (LOW)

Score Breakdown

📋 Offering Ability

40

💰 Cash Runway

0

📊 Float Risk

10

⚠️ Warrant Exposure

40

🔄 Convertible Debt

40

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for ATRC.

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Market Data

Market Cap$1.40B

Shares Outstanding50.87M

Float48.55M

Cash$167.79M

Debt$67.67M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 11.3% shares (2026Q1 vs prior)

227 institutional holders · 55.26M shares

#1 VANGUARD CAPITAL MANAGEMENT LLC 4.31M shares

#2 BlackRock, Inc. 4.04M shares

#3 WELLINGTON MANAGEMENT GROUP LLP 3.38M 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 Interest3.86M

Days to Cover3.7

% of Float8.0%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

4 INSIDER TRANSACTION 2026-03-16

4 INSIDER TRANSACTION 2026-03-12

4 INSIDER TRANSACTION 2026-03-09

4 INSIDER TRANSACTION 2026-03-03

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual ATRC Dilution Snapshot

AtriCure, Inc. (ATRC) has a DilutionScore of 24/100, rated Low dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for ATRC: 4 on 2026-03-16; 4 on 2026-03-12; 4 on 2026-03-09.

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.

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ATRC — AtriCure, Inc. Dilution Risk Tracker