Zai Lab (ZLAB) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $23.51, +4.49% vs the prior close of $22.50.
- Volume 824.00K shares, 0.8x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
ZLAB jumps 4.5% to $23.51. Closed at $23.51, +4.49% vs the prior close of $22.50. Day range $22.88–$24.00, opened at $23.07.
ZLAB daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — ZLAB jumps 4.5% to $23.51
- Closed at $23.51, +4.49% vs the prior close of $22.50. Day range $22.88–$24.00, opened at $23.07.
- Volume was 824.00K shares, 0.8x its 50-day average of 1.03M.
- Price is -7.0% vs its 50-day average ($25.28) and +13.6% vs its 200-day average ($20.70).
- 52-week range $15.96–$30.18; today's close sits at 53% of that range, 22.1% below the 52-week high.
Oct 14, 2026 — ZLAB dips 2.6% to $22.50, a 1-month low, 3 down days in a row
- Closed at $22.50, -2.60% vs the prior close of $23.10. Day range $22.12–$22.80, opened at $22.30.
- Volume was 849.70K shares, 0.8x its 50-day average of 1.02M.
- Price is -10.6% vs its 50-day average ($25.18) and +8.9% vs its 200-day average ($20.67).
- 52-week range $15.96–$30.18; today's close sits at 46% of that range, 25.4% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — ZLAB slides 6.1% to $23.10, a 1-month low
- Closed at $23.10, -6.06% vs the prior close of $24.59. Day range $22.78–$24.29, opened at $24.25.
- Volume was 778.40K shares, 0.8x its 50-day average of 1.01M.
- Price is -8.0% vs its 50-day average ($25.10) and +11.9% vs its 200-day average ($20.65).
- 52-week range $15.96–$31.85; today's close sits at 45% of that range, 27.5% below the 52-week high.
Oct 12, 2026 — ZLAB dips 1.6% to $24.59
- Closed at $24.59, -1.60% vs the prior close of $24.99. Day range $24.51–$25.00, opened at $24.88.
- Volume was 524.50K shares, 0.5x its 50-day average of 1.01M — lighter than usual.
- Price is -1.6% vs its 50-day average ($25.00) and +19.2% vs its 200-day average ($20.63).
- 52-week range $15.96–$32.76; today's close sits at 51% of that range, 24.9% below the 52-week high.
Oct 9, 2026 — ZLAB rises 0.7% to $24.99
- Closed at $24.99, +0.73% vs the prior close of $24.81. Day range $24.35–$25.92, opened at $24.82.
- Volume was 1.02M shares, 1.0x its 50-day average of 995.66K.
- Price is +0.5% vs its 50-day average ($24.87) and +21.4% vs its 200-day average ($20.59).
- 52-week range $15.96–$33.65; today's close sits at 51% of that range, 25.7% below the 52-week high.
Oct 8, 2026 — ZLAB dips 2.0% to $24.81, 3 down days in a row
- Closed at $24.81, -1.98% vs the prior close of $25.31. Day range $23.76–$24.94, opened at $24.33.
- Volume was 979.10K shares, 1.0x its 50-day average of 987.63K.
- Price is +0.3% vs its 50-day average ($24.74) and +20.7% vs its 200-day average ($20.55).
- 52-week range $15.96–$33.97; today's close sits at 49% of that range, 27.0% below the 52-week high.
- That makes 3 straight losses.
Oct 7, 2026 — ZLAB dips 1.1% to $25.31
- Closed at $25.31, -1.06% vs the prior close of $25.58. Day range $24.73–$25.45, opened at $25.20.
- Volume was 290.20K shares, 0.3x its 50-day average of 1.00M — lighter than usual.
- Price is +2.9% vs its 50-day average ($24.61) and +23.3% vs its 200-day average ($20.52).
- 52-week range $15.96–$33.97; today's close sits at 52% of that range, 25.5% below the 52-week high.
Oct 6, 2026 — ZLAB ends flat (-0.2%) to $25.58
- Closed at $25.58, -0.16% vs the prior close of $25.62. Day range $25.51–$26.92, opened at $26.80.
- Volume was 1.21M shares, 1.2x its 50-day average of 994.44K.
- Price is +4.5% vs its 50-day average ($24.47) and +24.9% vs its 200-day average ($20.48).
- 52-week range $15.96–$34.06; today's close sits at 53% of that range, 24.9% below the 52-week high.
Oct 5, 2026 — ZLAB jumps 5.3% to $25.62
- Closed at $25.62, +5.30% vs the prior close of $24.33. Day range $24.33–$25.65, opened at $24.44.
- Volume was 787.30K shares, 0.8x its 50-day average of 988.26K.
- Price is +5.3% vs its 50-day average ($24.34) and +25.4% vs its 200-day average ($20.44).
- 52-week range $15.96–$34.07; today's close sits at 53% of that range, 24.8% below the 52-week high.
Oct 2, 2026 — ZLAB slides 4.6% to $24.33
- Closed at $24.33, -4.59% vs the prior close of $25.50. Day range $23.71–$24.86, opened at $24.86.
- Volume was 951.80K shares, 1.0x its 50-day average of 982.43K.
- Price is +0.5% vs its 50-day average ($24.21) and +19.3% vs its 200-day average ($20.39).
- 52-week range $15.96–$34.72; today's close sits at 45% of that range, 29.9% below the 52-week high.
ZLAB latest news & SEC filings
Every SEC filing by or about ZLAB in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 5, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Chen Yajing converted options/RSUs into 920 shares on Oct 1, 2026; now holds 36,555
- Chen Yajing had withheld for taxes 315 shares at $25.50 (≈$8.03K) on Oct 1, 2026; now holds 36,240
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 21, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Chen Yajing sold 260 shares at $27.00 (≈$7.02K) on Aug 19, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 20, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Aug 19, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Aug 18, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 13, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Lis William sold 8,506 shares at $25.00 (≈$212.65K) on Aug 12, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 6, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $105.75M (prior year $109.08M) (-3.1% vs Jun 30, 2025)
- Net income: -$50.83M (prior year -$40.73M) (loss widened vs Jun 30, 2025)
- Diluted EPS: -$0.05 (prior year -$0.04) (loss widened vs Jun 30, 2025)
Aug 6, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade ZLAB
- Last results release: Aug 6, 2026 (8-K Item 2.02). Previous ones: May 7, 2026, Feb 26, 2026, Nov 6, 2025. Based on that rhythm, the next report is likely around Nov 5, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.31% (largest 6.1%).
- Liquidity: about 788.74K shares (≈$18.54M) trade per day on average.
- 52-week position: $23.51 vs a range of $15.96–$30.18 (53% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 1 open-market buys, 24 sales; latest: Yajing Chen sold 260 shares on Aug 19, 2026.
- Latest filings: 10-Q Aug 6, 2026; 8-K Aug 6, 2026; 8-K Jun 17, 2026.
- Listing: Nasdaq · industry: Pharmaceutical Preparations.
ZLAB market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 23.07 | 24.00 | 22.88 | 23.51 | 824.00K |
| Oct 14, 2026 | 22.30 | 22.80 | 22.12 | 22.50 | 849.70K |
| Oct 13, 2026 | 24.25 | 24.29 | 22.78 | 23.10 | 778.40K |
| Oct 12, 2026 | 24.88 | 25.00 | 24.51 | 24.59 | 524.50K |
| Oct 9, 2026 | 24.82 | 25.92 | 24.35 | 24.99 | 1.02M |
| Oct 8, 2026 | 24.33 | 24.94 | 23.76 | 24.81 | 979.10K |
| Oct 7, 2026 | 25.20 | 25.45 | 24.73 | 25.31 | 290.20K |
| Oct 6, 2026 | 26.80 | 26.92 | 25.51 | 25.58 | 1.21M |
| Oct 5, 2026 | 24.44 | 25.65 | 24.33 | 25.62 | 787.30K |
| Oct 2, 2026 | 24.86 | 24.86 | 23.71 | 24.33 | 951.80K |
| Oct 1, 2026 | 26.30 | 26.52 | 25.41 | 25.50 | 545.20K |
| Sep 30, 2026 | 26.35 | 26.68 | 26.00 | 26.34 | 830.80K |
| Sep 29, 2026 | 26.22 | 26.22 | 25.36 | 25.93 | 549.10K |
| Sep 28, 2026 | 25.41 | 26.50 | 25.06 | 25.69 | 884.70K |
| Sep 25, 2026 | 25.21 | 25.54 | 24.94 | 24.98 | 298.10K |
| Sep 24, 2026 | 25.42 | 25.42 | 24.81 | 25.28 | 585.30K |
| Sep 23, 2026 | 26.51 | 26.80 | 26.29 | 26.44 | 791.60K |
| Sep 22, 2026 | 26.89 | 27.05 | 26.37 | 26.41 | 996.40K |
| Sep 21, 2026 | 26.64 | 26.72 | 26.16 | 26.43 | 1.18M |
| Sep 18, 2026 | 26.26 | 27.14 | 25.60 | 25.70 | 887.50K |
About Zai Lab
Zai Lab (ZLAB) is listed on the Nasdaq and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in SHANGHAI. State of incorporation: Cayman Islands. Fiscal year ends December 31. SEC CIK 1704292.
ZLAB board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| John D Diekman | Director | Jun 22, 2026 |
| Ying Du | Chairperson & CEO | Jul 6, 2026 |
| Richard Gaynor | Director | Jul 6, 2026 |
| Nisa Leung | Director | Jun 22, 2026 |
| William Lis | Director | Aug 13, 2026 |
| Leon O Jr Moulder | Director | Jun 22, 2026 |
| Scott W Morrison | Director | Jun 22, 2026 |
| Michel Vounatsos | Director | Jun 22, 2026 |
| Peter Wirth | Director | Jun 22, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Rafael Amado | See Remarks | Apr 8, 2026 |
| Yajing Chen | Chief Financial Officer | Aug 21, 2026 |
| Ying Du | Chairperson & CEO | Jul 6, 2026 |
| Frazor Titus Iii Edmondson | Chief Legal Officer | Jun 29, 2026 |
| Joshua L Smiley | See Remarks | Apr 8, 2026 |
| Yizhe Wang | Operating Partner | Jun 8, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Yajing Chen | Sale | 260 | $27.00 |
| Aug 12, 2026 | William Lis | Sale | 8,506 | $25.00 |
| Aug 11, 2026 | Yajing Chen | Sale | 619 | $25.00 |
| Jul 1, 2026 | Richard Gaynor | Buy | 1,736 | $19.05 |
| Jun 30, 2026 | Ying Du | Sale | 7,026 | $18.53 |
| Jun 26, 2026 | Yajing Chen | Sale | 2,264 | $17.46 |
| Jun 26, 2026 | Frazor Titus Iii Edmondson | Sale | 4,103 | $17.46 |
| Jun 26, 2026 | Ying Du | Sale | 24,543 | $17.46 |
| Jun 22, 2026 | William Lis | Sale | 7,040 | $18.09 |
| May 18, 2026 | Ying Du | Sale | 50,000 | $19.00 |
| May 15, 2026 | Ying Du | Sale | 50,000 | $20.74 |
| May 14, 2026 | Ying Du | Sale | 50,000 | $20.09 |
| May 14, 2026 | Frazor Titus Iii Edmondson | Sale | 3,517 | $20.19 |
| May 13, 2026 | Ying Du | Sale | 16,231 | $19.44 |
| May 13, 2026 | Ying Du | Sale | 33,769 | $20.22 |
ZLAB financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $457.18M | $-175.54M | -0.16 | $-150.79M |
| Dec 31, 2024 | $397.61M | $-257.10M | -0.26 | $-214.87M |
| Dec 31, 2023 | $266.72M | $-334.62M | -0.35 | $-198.18M |
| Dec 31, 2022 | $212.67M | $-443.29M | -0.46 | $-367.64M |
| Dec 31, 2021 | $144.10M | $-704.47M | -0.76 | $-549.23M |
Latest balance sheet: total assets $1.07B, total liabilities $467.76M, cash $607.52M (as of Jun 30, 2026).
ZLAB earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 6, 2026 | 8-K Item 2.02 (results) | $20.88 |
| May 7, 2026 | 8-K Item 2.02 (results) | $19.76 |
| Feb 26, 2026 | 8-K Item 2.02 (results) | $19.69 |
| Nov 6, 2025 | 8-K Item 2.02 (results) | $23.15 |
| Aug 7, 2025 | 8-K Item 2.02 (results) | $34.08 |
| May 8, 2025 | 8-K Item 2.02 (results) | $29.14 |
| Feb 27, 2025 | 8-K Item 2.02 (results) | $34.38 |
| Nov 12, 2024 | 8-K Item 2.02 (results) | $28.96 |
| Aug 6, 2024 | 8-K Item 2.02 (results) | — |
| May 8, 2024 | 8-K Item 2.02 (results) | — |
| Feb 27, 2024 | 8-K Item 2.02 (results) | — |
| Nov 7, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.