secwatch / observer
ZLAB Zai Lab Ltd
CIK 0001704292 50 ready 8-Ks latest May 7, 2026, 7:59 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing June 17, 2026, 4:05 PM ET
Top materiality 0.85
Event mix earnings ×18 · other_material ×10 · leadership ×9
Sentiment 19 pos · 2 neg · 29 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for ZLAB

Executive changes

Departed

Josh Smiley

President and Chief Operating Officer
ZLAB · Zai Lab Ltd
Effective
2026-05-18
Filed
May 21, 2026, 5:18 PM ET
On May 18, 2026, the Board of Directors of Zai Lab Limited (the “Company”) determined that Mr. Josh Smiley will cease serving as President and Chief Operating Officer of the Company, effective as of May 18, 2026, and his last day of employment with the Company will be May 22, 2026.
Departed

Harald Reinhart

President, Head of Global Development, Neuroscience, Autoimmune and Infectious Diseases
ZLAB · Zai Lab Ltd
Effective
2024-06-30
Filed
June 11, 2024, 7:59 PM ET
On June 11, 2024 , Zai Lab Limited (the “Company”) announced that Dr. Harald Reinhart, President, Head of Global Development, Neuroscience, Autoimmune and Infectious Diseases, has informed the Company that he has decided to retire, effective June 30, 2024.
Departed

William Cho

Chief Financial Officer
ZLAB · Zai Lab Ltd
Effective
2023-07-07
Successor
Yajing Chen
Filed
July 6, 2023, 7:59 PM ET
Also on July 6, the Company announced that Dr. Chen will be succeeding William Cho, who is stepping down from his role as Chief Financial Officer, effective July 7, 2023.
Appointed

Yajing Chen

Chief Financial Officer
ZLAB · Zai Lab Ltd
Effective
2023-07-07
Filed
July 6, 2023, 7:59 PM ET
On July 6, 2023, Zai Lab Limited (the “Company”) announced that it has appointed Dr. Yajing Chen as its Chief Financial Officer, effective July 7, 2023.
Appointed

Michel Vounatsos

independent director
ZLAB · Zai Lab Ltd
Effective
2023-01-07
Filed
January 9, 2023, 6:59 PM ET
On January 7, 2023, the Board of Directors (the “Board”) of Zai Lab Limited (the “Company”) appointed Michel Vounatsos as an independent director, effective immediately.
Departed

Dr. Alan Sandler

Other Named Officer
ZLAB · Zai Lab Ltd
Effective
2022-10-28
Filed
October 28, 2022, 7:59 PM ET
Dr. Alan Sandler who provided notice that he is resigning from the Company, effective October 28, 2022, to pursue another professional opportunity.
Appointed

Joshua Smiley

Chief Operating Officer
ZLAB · Zai Lab Ltd
Effective
2022-08-01
Filed
August 3, 2022, 7:59 PM ET
Zai Lab Limited (the “Company”) appointed Joshua Smiley as the Company’s Chief Operating Officer, effective on August 1, 2022
Departed

Tao Fu

Chief Strategy Officer
ZLAB · Zai Lab Ltd
Effective
2022-04-08
Filed
April 1, 2022, 7:59 PM ET
On March 28, 2022, Tao Fu, Chief Strategy Officer of Zai Lab Limited (the “Company”), provided notice to the Company of his resignation from the Company, effective as of the close of business on April 8, 2022.
Appointed

Joshua Smiley

Chief Operating Officer
ZLAB · Zai Lab Ltd
Effective
2022-08-01
Filed
March 15, 2022, 7:59 PM ET
On March 15, 2022, Zai Lab Limited (the “Company”) announced the appointment of Joshua Smiley as the Company’s Chief Operating Officer.
Role change

Harald Reinhart

President and Head of Global Development for Neuroscience, Autoimmune and Infectious Diseases
ZLAB · Zai Lab Ltd
Effective
2021-12-21
Filed
December 22, 2021, 6:59 PM ET
On December 22, 2021, Zai Lab Limited (the “Company”) announced the promotion of Harald Reinhart, M.D., from his current role as Chief Medical Officer to President and Head of Global Development for Neuroscience, Autoimmune and Infectious Diseases.
Appointed

Richard Gaynor

Independent Director
ZLAB · Zai Lab Ltd
Effective
2021-11-19
Filed
November 22, 2021, 6:59 PM ET
On November 19, 2021 (U.S. Eastern Time), the Board of Directors (the “Board”) of Zai Lab Limited (the “Company”) appointed Richard Gaynor as an independent director, effective immediately.
Appointed

Scott W. Morrison

independent director
ZLAB · Zai Lab Ltd
Effective
2021-10-13
Filed
October 18, 2021, 7:59 PM ET
On October 13, 2021 (U.S. Eastern Time), the Board of Directors (the “Board”) of Zai Lab Limited (the “Company”) appointed Scott W. Morrison as an independent director, effective immediately.

Earnings & guidance

2026-Q1 EPS reported -$0.05 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.65 · Most common event earnings

19 positive 2 negative 29 neutral

source · ZLAB on sec.gov