What is ARCT's dilution risk score?

ARCT has a latest available DilutionScore record of 35/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ARCT, 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 ARCT?

DilutionWatch tracks 25 SEC filing types for ARCT 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 ARCT shareholders?

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

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ARCT. 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 8,500+ active tickers monitored.

ARCT Dilution Risk Score: 35/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

💰 Cash Runway

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for ARCT.

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Market Data

Market Cap$280.54M

Shares Outstanding28.42M

Float26.15M

Cash$191.48M

Debt$75.66M

Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

Field	Current Value	Basis
DilutionScore	35/100	DilutionWatch score record
Shares Outstanding	28.42M	Verified float table or market cache
Public Float	26.15M	Verified float table or market cache
Market Cap	$280.54M	Market data cache
Cash Runway	23.9 months	DilutionWatch score inputs
Shelf Capacity	None in current score inputs	SEC-derived dilution fields
ATM Capacity	None in current score inputs	SEC-derived dilution fields
Outstanding Warrants	None in current score inputs	SEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 0.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

ARCT SEC Filing Activity — Last 12 Months

Shares outstanding reported by ARCT on the cover page of its latest 10-K/10-Q: 28.42M as of August 04, 2026.

DilutionWatch recorded 1 registration or prospectus document for ARCT (the filings through which shares are offered) in the last 12 months. Full filing list on SEC EDGAR →

Form	What it is	Filings	Most recent
S-3	shelf registration	1	Dec 30, 2025
8-K	current report (material event)	6	Aug 25, 2026
10-Q	quarterly report	1	Aug 06, 2026
SC 13G/A	amended passive >5% holder filing	1	Oct 07, 2026
4	insider transaction	8	Jun 15, 2026
3	initial insider ownership	3	May 07, 2026

Institutional Holdings

QoQ: ↑ 14.4% shares (2026Q1 vs prior)

127 institutional holders · 28.54M shares

#1 FEDERATED HERMES, INC. 3.30M shares

#2 ARK Investment Management LLC 2.77M shares

#3 BlackRock, Inc. 2.61M 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 Interest5.46M

Days to Cover8.4

% of Float20.9%

FINRA data as of Oct 15, 2026

Recent SEC Activity

No recent SEC insights

Recent News

No recent news available for this ticker.

DilutionScore History — Last 90 Days

ARCT's DilutionScore is currently 35/100 (Medium risk), with 1 score change tracked over 89 days. The score improved from 31/100 (Medium risk).

Period	Score	Risk Level	Duration
Aug 22 – Oct 27, 2026	35/100	MEDIUM	67 days
Jul 30 – Aug 21, 2026	31/100	MEDIUM	22 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

ARCT shares outstanding have increased 0.0% from 28.41M (Mar 2026) to 28.42M (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 08, 2026	28.42M	26.15M	▼ 0.50%
Mar 05, 2026	28.41M	26.28M	▲ 0.04%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

Track ARCT Dilution Risk in Real-Time

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