What is ZLAB's dilution risk score?

ZLAB has a latest available DilutionScore record of 15/100, categorized as low dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ZLAB, 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 ZLAB?

DilutionWatch tracks 25 SEC filing types for ZLAB 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 ZLAB shareholders?

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

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

ZLAB Dilution Risk Score: 15/100

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 ZLAB.

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Market Data

Market Cap$2.18B

Shares Outstanding88.59M

FloatN/A

Cash$617.52M

Debt$238.10M

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	15/100	DilutionWatch score record
Shares Outstanding	88.59M	Verified float table or market cache
Public Float	Not available	Verified float table or market cache
Market Cap	$2.18B	Market data cache
Cash Runway	31.8 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: 6.

Recent SEC source mix: FORM 4 5, XBRL 1.

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

Institutional Holdings

38.5% institutional ownership

Source: Yahoo Finance · Detailed 13F holder data available for tracked tickers

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Short Interest

Short Interest7.15M

Days to Cover9.0

% of FloatN/A

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2020-04-29

Form 4 INSIDER TRANSACTION 2026-10-01

Form 4 INSIDER TRANSACTION 2026-08-19

Form 4 INSIDER TRANSACTION 2026-08-14

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual ZLAB Dilution Snapshot

Zai Lab Limited (ZLAB) has a DilutionScore of 15/100, rated Low dilution risk. Score date: October 13, 2026.

Recent SEC activity tracked for ZLAB: Form 4 on 2026-10-01; Form 4 on 2026-10-01; Form 4 on 2026-08-19.
Score coverage note: Float Risk is excluded because public-float data is unavailable.

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.

DilutionScore History — Last 90 Days

ZLAB's DilutionScore is currently 15/100 (Low risk), with 2 score changes tracked over 89 days. The score deteriorated from 29/100 (Medium risk).

Period	Score	Risk Level	Duration
Oct 10 – Oct 13, 2026	15/100	LOW	4 days
Aug 22 – Oct 09, 2026	29/100	MEDIUM	49 days
Jul 16 – Aug 21, 2026	26/100	MEDIUM	36 days

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

Track ZLAB Dilution Risk in Real-Time

DilutionWatch monitors SEC filings 24/7 and alerts you the moment ZLAB files a shelf registration, ATM offering, warrant notice, or convertible note. Free tier available — no credit card required.

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→ Complete Dilution Guide for Retail Investors → Anti-Dilution Provisions Explained → Stock Dilution Red Flags to Watch → Understanding Shelf Registrations

Score Coverage Note

Float Risk is excluded because public-float data is unavailable.

ZLAB — Zai Lab Limited Dilution Risk Tracker