Zai Lab (ZLAB) logo

Zai Lab (ZLAB) stock

Worth $2.8B

$26.43
-1.60%

As of Tuesday's close · Live for Pro members at the open

Quality Score
3
Below Average
In its industry
#41of 90
Checks firing
4of 14
Trending up
From 52-week high
-8.9%
under its best in a year

ZLAB's Quality Score fell 2 points on Tue, Nov 10, to 3. Buying slipped from its highest in 20 days (3 chart checks stopped).

Follow ZLAB's trial news. Pro members can get an alert when Zai Lab files news, and see its trials, share raises, and its CEO's filings.

Get an alert when ZLAB files news on its trialsSee it live, free until Thursday morning. No account. No card. Then keep going with a free account.

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

NextNov 30, 2026 · In 20 days“…in adults with immunoglobulin A nephropathy (IgAN), with a PDUFA target action date of November 30, 2026…”Vertex’s FDA decision date · SEC filing · Aug 6
Cash$560M, about 14 quarters (3.5 years) at the last year's spendingOn Sep 30

Why ZLAB rose 22% since Nov 2

Up 22% from Nov 2 to Nov 10.

“Net product revenue increased 2% versus the second quarter of 2026, primarily driven by NUZYRA, supported by increased market coverage and penetration, and KarXT”

Zai Lab rose 22% from Nov 2 to Nov 10. 13 points of it came on Nov 6. Zai Lab's Nov 5 release said

Sources: Price history, Nov 10, 2026; Company release, Nov 5, 2026

1 more reason, free with an account →1 more reason why ZLAB rose 22% since Nov 2, from its filings, with the other side, the company's words, the timeline, and its peers, for Pro members.

Key facts on ZLAB

Key facts on ZLAB
Holding it backA $198M loss narrower than $207M a year earlier
Latest filing8-K, Nov 5 Reported its quarterly results
1 more reason behind ZLAB's 3, free with an account →4 more reasons behind ZLAB's 3, for Pro members.

ZLAB in the news

Fri Nov 6Zai Lab Q3 Earnings Call Highlights Yahoo Finance and 1 more ZLAB closed +12.7% that day.

Outlet counts from the GDELT Project.

Cash$560M, about 14 quarters (3.5 years) at the last year's spendingOn Sep 30

ZLAB catalysts

Coming up

After its last 4 reports it closed +2.1% on average, higher 2 of 4 times.

6 more coming up and 12 past catalysts since 2020, with sizes and sources, for Pro members.

What's next for ZLAB, and how long its cash lasts

Next step the company has named

Nov 30In 20 days“…that the FDA accepted its BLA submission for pove for accelerated approval in adults with immunoglobulin A nephropathy (IgAN), with a PDUFA target action date of November 30, 2026.”Vertex’s FDA decision date · SEC filing · Aug 6

What it means: the date by which the FDA has said it aims to decide on Vertex’s application, which ZLAB is partnered on. The FDA can decide earlier, or extend the date.

A trial underway
Efficacy and Safety of ZL-1109 in Chinese Participants With Active Thyroid Eye DiseasePhase 3 · Active · 108 people · main data estimated Mar 14, 2027 · NCT07211776

7 more trials, 4 more milestones and 24 filings, for Pro members.

Cash runway Sep 30 balance sheet

About 14 quarters

$560M in cash and short-term investments, at its spending over the last year

What it means: how long the cash would last at the same pace, before any new money.

For Pro members: the cash used each quarter, and the math.

Dilution on the horizon

  • Shelf registration (S-3ASR, filed Apr 19, 2024)

For Pro members: 1 raise and its amount, and the share count against a year ago.

Insiders

CFO Yajing Chen sold 260 shares on Aug 19, under a planned sale. 31 more insider trades this year.

From Form 4: open-market buys and sales only.

For Pro members: every trade, and Ying Du’s 30 filings and quotes.

See every upcoming FDA date →

FDA dates in the next 60 days

Decision dates and advisory committee meetings the companies have announced in their filings, soonest first and small companies first.

DateStockDrug

14 more FDA dates and 103 trial data dates in the next 60 days, each on the FDA calendar. Pro members see whether each company's cash lasts past its date, with an optional alert before it. See all 151 dates, ranked →

Why ZLAB scores 3

Below Averagefor quality, not price, 4 of 14 chart checks firingWhat the Quality Score means

  • +4Chart checks 4 of 14 firing right now, one point each
  • +2Long-term trend above a rising 200-⁠day average, near its 52-⁠week high, down over two years
  • Run-up adds
  • Profit subtractsRead on the last four quarters against the four before, or the last full year where no quarters are filed.
  • Growth subtractsSales and margins against a year earlier: up to +3 for fast growth and widening margins, down to -2 when both shrink.
  • Volatility subtractsA daily range of 5% or more with nothing behind it (no profit or cash flow, sales shrinking, or 10% more shares outstanding with no free cash flow): -1, or -2 from 8%.
  • Cash flow subtracts-1 when free cash flow over the last four quarters is negative.

No effect today: Size, Dilution, Persistence, and News.

What every line is worth, and the reason behind it, on ZLAB and every other stock.Get in free →

Price, score, chart checks, and the industry rank are from a snapshot taken at 10:45 PM ET, at least 15 minutes behind. How we rank stocks.

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

How ZLAB ranks in Pharma

ZLAB is #41 of 90 by Quality Score.

How ZLAB ranks in Pharma
RankStockQuality Score
41Zai Lab (ZLAB) logoZLABZai Lab3

Share count against a year before: ZLAB +1.9%, XENE +26%, ABCL +6.4%, PTGX +4.1%.

More in Pharma

When does ZLAB report earnings, and what happens after?

Expected to report Thu Feb 25, before the open (in 107 days).

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What ZLAB reported on Nov 5, 2026

The quarter

Sales of $108.2M, 7% less than a year ago; a loss of $0.04 a share, from $0.03.

“Net product revenue increased 2% versus the second quarter of 2026, primarily driven by NUZYRA, supported by increased market coverage and penetration, and KarXT, which was launched in June 2026, partially offset by a decrease in OPTUNE due to evolving competition in the glioblastoma market.”

The quarter that ended Sep 30, from the company's press release

The press releaseThe filing on EDGAR

Where the sales came from

Where the quarter's sales came from
LineQ3
2026
Q2
2026
Q3
2025
By product
Zejuladown 24%$32.3M30%$32.1M30%$42.4M37%

Each quarter's sales and their share of its total. Figures as filed (SEC filing, Nov 5)

8 more lines, for Pro members.

The outlook

No outlook figures read from this release.

In the company's words

  • “The increase in net loss was primarily due to a $13.6 million in inventory write-downs in 2026.”

From its results filing (SEC filing · Nov 5)

1 more sentence, for Pro members.

The numbers

Market value
$2.8B
today
Sales
$442M
up 0.02% on the year
Free cash flow
-$163M
last 12 months

Sales grew 29% a year over 3 years, fiscal 2022 to 2025.

Its share count grew 7.1% a year over 5 years.

4 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on ZLAB: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.

Close after the report, last 4

+1.6%-5.9%+13.7%-0.9%
Feb 26May 7Aug 6Nov 5
ReportedGapReaction5
days
Nov 5, 2026Before open+0.5%-0.9%not yet
Aug 6, 2026Before open+3.7%+13.7%+38.8%
May 7, 2026Before open-2.3%-5.9%-2.6%
Feb 26, 2026Before open-3.0%+1.6%-0.6%

ZLAB closed higher after 2 of its last 4 reports.

ZLAB sales and profit by year

Sales and profit by year

Sales grew every year from 2019 to 2025, to $460M. It lost money in each of the seven years.

ZLAB has 4 of 14 chart checks firing

Volume1 of 3 shown
Tight range1 of 3 shown
Buying1 of 3 shown
The other 10 checks on ZLAB, and all 14 on every stock.Get in free →

ZLAB RSI today: 60.8, above its 50-day and 200-day averages

Not scored

RSI 60.8, MACD above signal, above both averages. Not scored.

The deep dive on ZLAB

9 more findings on ZLAB, each with its source, for Pro members.

ZLAB share count over time

2% more shares than a year earlier.

Weighted shares, quarter to Sep 30, 2026, both from one filing

Shares of ZLAB outstanding, as filed
Shares
outstanding
As
of
88.6MFeb 26, 2021
68.4MDec 31, 2019
58.4MDec 31, 2018
50.6MDec 31, 2017
Offerings, shelves, and splits of ZLAB, from its filings
From its
filings
Filed
Raised $200M in a sale of shares, about 7% of its market valueNov 15, 2024
Registered shares for a later sale (S-3ASR)Apr 19, 2024

ZLAB insider trades

One insider bought $33K across 1 filing, and 3 insiders sold $670K across 4 filings, in the last 6 months. The newest:

BuyRichard Gaynor$33KDirectorat $19.05 on Jul 1, filed Jul 6

All 5 insider filings on ZLAB from the last six months, for Pro members.

ZLAB's officers and directors

Officers and directors with a Form 4 in the last 12 months.

5 more officers and directors file at ZLAB.

See insider trades by person

About Zai Lab

Zai Lab Ltd is a biopharmaceutical company focusing on discovering or licensing, developing, and commercializing proprietary therapeutics that address areas of unmet medical need including in the fields of oncology, autoimmune and infectious diseases. Zai Lab has a diverse pipeline of potentially first-in-class product candidates developed through in-house R&D and global partnerships. The company has successfully commercialized several products in China, including Zejula, Optune, Qinlock, and Nuzyra, with plans for further expansion The pipeline of proprietary drug candidates of the company includes ZL-1222, ZL-1311, ZL-6201 and many others.

1,797 employeesShanghaizailaboratory.com

What Zai Lab says it competes with

“Competition in the biopharmaceutical industry is intense.”

From its annual report, SEC filing · Feb 26, 2026

Here is what Pro members see.

  • The same page for Pro members, on Microsoft

    Its Quality Score and rank, the line that drives it, and the live price.

  • The full chart

    A year of candles to start, out to the whole history, with insider trades marked and the Quality Score under the price.

  • Every line of the score

    Price action, the company, and signals, each with its points, on ZLAB and every other stock.

  • FDA dates, counted down

    Each date in the company's words, its cash against the date, and an optional alert before it.

  • CEOs buying their own stock

    Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.

  • Congress trades

    A member's trades, newest first, each with its amount. Sort and filter the whole list.

  • 14 chart checks, read for you

    The ones firing on the stock, each in plain words, its rule a tap away.

  • Earnings, week by week

    Who reports each day, and how each stock took its last four reports.

  • The market map

    Every stock a box, colored by its Quality Score.

  • Themes, ranked live

    Each theme's stocks ranked by Quality Score, live. Here, AI chips.

  • The top 10, every day

    The ten highest Quality Scores at each close, kept day by day, week by week.

  • Optional alerts, your way

    Pick a stock, a score, a price, a filing, or a whole scan. It tells you by push or email.

  • Your watchlist, scored

    Your stocks by Quality Score, today's move, or name.

  • On your phone and your laptop

    The same account and watchlist on both, each laid out for its screen.

  • Prices refresh every 2.5 seconds during market hours.
  • Optional alerts by push, email, or the bell.
  • Add it to your Home Screen and it opens like an app.

Pro members see every line of every stock's score.

  • What would turn ZLAB's score around: 8 things
  • 4 more filings explained, a plain line each
  • Real-⁠time prices, no delay
BreakawayJul 6Richard Gaynor bought ZLAB$33K at $19.05, filed Jul 6

Alerts are optional.

See ZLAB's 14 chart checks

See it live, free until Thursday morning. No account. No card. Then keep going with a free account.

Straight AnswersStraight Answers

As of Nov 10, 2026: ZLAB's Quality Score is 3 (Below Average), #41 of 90 in Pharma. Insiders bought $33K and sold $670K in the last 6 months (Form 4).

What does ZLAB's Quality Score say?

ZLAB scores 3 today, which Breakaway calls Below Average. It is #41 of 90 in Pharma by Quality Score, with 4 of 14 chart checks firing. Up 22% from Nov 2 to Nov 10. Cash lasts about 14 quarters at its spending (to Sep 30). Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is ZLAB's Quality Score?

ZLAB scores 3 today, which Breakaway calls Below Average (0 to 5). That is #41 of 90 in Pharma by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind ZLAB's 3.

Are insiders buying ZLAB?

One insider bought $33K across 1 filing, and 3 insiders sold $670K across 4 filings, in the last 6 months. The newest is Richard Gaynor, Director, who bought $33K on Jul 1. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.

Every US stock, ranked live.

Insider and Congress trades, the chart, and the financials, in one score.

See all 3,168 stocks ranked

See it live, free until Thursday morning. No account. No card. Then keep going with a free account.

What's next for Zai Lab: from its SEC filings and ClinicalTrials.gov, the company's words, the registry's dates, and arithmetic, not a forecast. Companies often miss the dates they set.

The moves after past earnings reports are past behavior, not a forecast.

The price, the score, the chart checks and readings, and the industry rank on this page are delayed at least 15 minutes.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9, 2026.

Breakaway publishes impersonal securities research and analytical tools: one formula, the same score for everyone. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security.

Market data from a licensed vendor. The age of every quote is shown on the page.

This browser is too old to show this page right. Update it, or open this page in Safari or Chrome.