Stocks
ZLAB Zai Lab Ltd

ZLAB

Zai Lab Ltd

Company with tickers: ZLAB

CIK

1704292

CUSIP

98887Q104

Shares Outstanding

112,669,482

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-04-06	Chen Yajing	Chief Financial Officer	Sell	853	$20.45	$17,442	31,705
2026-04-06	Du Ying	Director, Chairperson & CEO	Sell	2,653	$20.45	$54,249	1,122,626
2026-04-06	Edmondson Frazor Titus III	Chief Legal Officer	Sell	1,224	$20.45	$25,028	23,366
2026-04-06	Smiley Joshua L	See Remarks	Sell	3,017	$20.45	$61,692	117,602
2026-04-06	Amado Rafael	EVP of R&D	Sell	2,739	$20.45	$56,007	57,022
2026-04-02	Du Ying	Director, Chairperson & CEO	Sell	5,576	$20.39	$113,695	1,125,279
2026-04-02	Du Ying	Director, Chairperson & CEO	Convert	6,750	—	—	1,130,855
2026-04-02	Du Ying	Director, Chairperson & CEO	Convert	6,750	—	—	13,500
2026-04-02	Amado Rafael	EVP of R&D	Sell	9,910	$20.39	$202,065	59,761
2026-04-02	Amado Rafael	EVP of R&D	Convert	5,391	—	—	5,391
2026-04-02	Amado Rafael	EVP of R&D	Convert	5,391	—	—	69,671
2026-04-02	Smiley Joshua L	See Remarks	Sell	9,614	$20.39	$196,029	120,619
2026-04-02	Smiley Joshua L	See Remarks	Convert	7,145	—	—	130,233
2026-04-02	Smiley Joshua L	See Remarks	Convert	7,145	—	—	7,145
2026-04-02	Edmondson Frazor Titus III	Chief Legal Officer	Convert	5,031	—	—	5,032
2026-04-02	Edmondson Frazor Titus III	Chief Legal Officer	Sell	4,194	$20.39	$85,516	24,590
2026-04-02	Edmondson Frazor Titus III	Chief Legal Officer	Convert	5,031	—	—	28,784
2026-04-02	Chen Yajing	Chief Financial Officer	Convert	2,500	—	—	37,757
2026-04-02	Chen Yajing	Chief Financial Officer	Convert	2,500	—	—	2,500
2026-04-02	Chen Yajing	Chief Financial Officer	Sell	5,199	$20.39	$106,008	32,558
2026-04-01	Du Ying	Director, Chairperson & CEO	Convert	10,800	—	—	10,800
2026-04-01	Du Ying	Director, Chairperson & CEO	Convert	10,800	—	—	1,120,705
2026-04-01	Amado Rafael	EVP of R&D	Convert	19,523	—	—	39,046
2026-04-01	Amado Rafael	EVP of R&D	Convert	19,523	—	—	64,280
2026-04-01	Smiley Joshua L	See Remarks	Convert	32,062	—	—	64,125
2026-04-01	Smiley Joshua L	See Remarks	Convert	32,062	—	—	123,088
2026-04-01	Edmondson Frazor Titus III	Chief Legal Officer	Convert	2,671	—	—	9,165
2026-04-01	Edmondson Frazor Titus III	Chief Legal Officer	Convert	2,671	—	—	2,671
2026-04-01	Chen Yajing	Chief Financial Officer	Convert	1,500	—	—	1,500
2026-04-01	Chen Yajing	Chief Financial Officer	Convert	1,500	—	—	21,499
2026-03-17	GAYNOR RICHARD	Director	Buy	1,731	$18.91	$32,733	56,630
2026-03-13	Chen Yajing	Chief Financial Officer	Sell	1,703	$18.63	$31,723	19,999
2026-03-13	Smiley Joshua L	See Remarks	Sell	1,966	$18.63	$36,623	91,026
2026-03-13	Edmondson Frazor Titus III	Chief Legal Officer	Sell	1,281	$18.63	$23,862	6,494
2026-03-13	Amado Rafael	EVP of R&D	Sell	2,957	$18.63	$55,083	44,757
2026-03-12	Chen Yajing	Chief Financial Officer	Convert	4,258	—	—	12,777
2026-03-12	Chen Yajing	Chief Financial Officer	Convert	4,258	—	—	21,702
2026-03-12	Smiley Joshua L	See Remarks	Convert	6,388	—	—	19,165
2026-03-12	Smiley Joshua L	See Remarks	Convert	6,388	—	—	92,992
2026-03-12	Edmondson Frazor Titus III	Chief Legal Officer	Convert	4,258	—	—	12,777
2026-03-12	Edmondson Frazor Titus III	Chief Legal Officer	Convert	4,258	—	—	7,775
2026-03-12	Amado Rafael	EVP of R&D	Convert	5,323	—	—	47,714
2026-03-12	Amado Rafael	EVP of R&D	Convert	5,323	—	—	15,971
2026-03-11	Du Ying	Director, Chairperson & CEO	Sell	1,067	$19.08	$20,363	1,109,905
2026-03-11	Du Ying	Director, Chairperson & CEO	Award	32,419	—	—	32,419
2026-03-11	Du Ying	Director, Chairperson & CEO	Award	353,430	—	—	353,430
2026-03-10	Du Ying	Director, Chairperson & CEO	Convert	2,655	—	—	7,965
2026-03-10	Du Ying	Director, Chairperson & CEO	Tax	116,936	$19.41	$2,269,728	1,108,317
2026-03-10	Du Ying	Director, Chairperson & CEO	Convert	261,092	$1.74	$454,300	1,225,253
2026-03-10	Du Ying	Director, Chairperson & CEO	Convert	261,092	—	—	461,092
2026-03-09	Du Ying	Director, Chairperson & CEO	Convert	50,000	$1.74	$87,000	1,014,161
2026-03-09	Du Ying	Director, Chairperson & CEO	Convert	50,000	—	—	722,184
2026-03-09	Du Ying	Director, Chairperson & CEO	Sell	50,000	$19.03	$951,465	964,161
2026-03-06	Du Ying	Director, Chairperson & CEO	Convert	50,000	$1.74	$87,000	1,014,161
2026-03-06	Du Ying	Director, Chairperson & CEO	Sell	50,000	$19.42	$970,935	964,161
2026-03-06	Du Ying	Director, Chairperson & CEO	Convert	50,000	—	—	772,184
2026-03-05	Edmondson Frazor Titus III	Chief Legal Officer	Sell	15,569	$19.06	$296,745	3,517
2026-03-05	Du Ying	Director, Chairperson & CEO	Convert	50,000	$1.74	$87,000	1,014,161
2026-03-05	Du Ying	Director, Chairperson & CEO	Convert	50,000	—	—	822,184
2026-03-05	Du Ying	Director, Chairperson & CEO	Sell	50,000	$19.22	$961,055	964,161
2026-03-04	Du Ying	Director, Chairperson & CEO	Award	25,579	—	—	25,579
2026-03-04	Amado Rafael	EVP of R&D	Award	14,905	—	—	14,905
2026-03-04	Smiley Joshua L	See Remarks	Award	17,887	—	—	17,887
2026-03-04	Edmondson Frazor Titus III	Chief Legal Officer	Award	11,924	—	—	11,924
2026-03-04	Chen Yajing	Chief Financial Officer	Award	27,027	—	—	27,027
2026-03-04	Chen Yajing	Chief Financial Officer	Award	83,160	—	—	83,160
2026-03-04	Chen Yajing	Chief Financial Officer	Award	11,924	—	—	11,924
2026-03-04	Smiley Joshua L	See Remarks	Award	33,783	—	—	33,783
2026-03-04	Smiley Joshua L	See Remarks	Award	103,950	—	—	103,950
2026-03-04	Edmondson Frazor Titus III	Chief Legal Officer	Award	83,160	—	—	83,160
2026-03-04	Edmondson Frazor Titus III	Chief Legal Officer	Award	27,027	—	—	27,027
2026-03-04	Amado Rafael	EVP of R&D	Award	33,783	—	—	33,783
2026-03-04	Amado Rafael	EVP of R&D	Award	103,950	—	—	103,950
2026-03-04	Du Ying	Director, Chairperson & CEO	Convert	50,000	—	—	872,184
2026-03-04	Du Ying	Director, Chairperson & CEO	Convert	50,000	$1.74	$87,000	1,014,161
2026-03-04	Du Ying	Director, Chairperson & CEO	Sell	14,290	$18.78	$268,322	999,871
2026-03-03	Amado Rafael	EVP of R&D	Sell	10,000	$17.38	$173,800	42,391
2025-12-31	Amado Rafael	EVP of R&D	Sell	10,787	$17.43	$188,039	52,391
2025-12-30	Amado Rafael	EVP of R&D	Convert	21,000	—	—	42,000
2025-12-30	Amado Rafael	EVP of R&D	Convert	21,000	—	—	63,178
2025-12-16	Edmondson Frazor Titus III	Chief Legal Officer	Sell	8,651	$17.14	$148,278	19,086
2025-12-11	Du Ying	Director, Chairperson & CEO	Gift	377,520	—	—	964,161
2025-12-10	Du Ying	Director, Chairperson & CEO	Gift	303,378	—	—	586,641
2025-11-21	Edmondson Frazor Titus III	Chief Legal Officer	Sell	14,328	$19.78	$283,408	27,737
2025-11-03	Chen Yajing	Chief Financial Officer	Sell	240	$26.83	$6,439	17,444
2025-10-31	Chen Yajing	Chief Financial Officer	Convert	500	—	—	0
2025-10-31	Chen Yajing	Chief Financial Officer	Convert	500	—	—	17,684
2025-10-02	Chen Yajing	Chief Financial Officer	Sell	456	$34.25	$15,617	17,184
2025-10-01	Chen Yajing	Chief Financial Officer	Convert	920	—	—	920
2025-10-01	Chen Yajing	Chief Financial Officer	Convert	920	—	—	17,640
2025-09-10	Smiley Joshua L	See Remarks	Buy	10,000	$28.91	$289,100	86,604
2025-08-29	Du Ying	Director, Chairperson & CEO	Convert	604,376	$1.20	$725,251	1,141,338
2025-08-29	Du Ying	Director, Chairperson & CEO	Tax	251,319	$32.59	$8,190,486	890,019
2025-08-29	Du Ying	Director, Chairperson & CEO	Convert	604,376	—	—	0
2025-08-18	Smiley Joshua L	See Remarks	Sell	6,641	$36.24	$240,643	76,604
2025-08-18	Edmondson Frazor Titus III	Chief Legal Officer	Sell	1,883	$36.24	$68,232	42,065
2025-08-15	Smiley Joshua L	See Remarks	Convert	15,900	—	—	31,800
2025-08-15	Smiley Joshua L	See Remarks	Convert	15,900	—	—	83,245
2025-08-15	Edmondson Frazor Titus III	Chief Legal Officer	Convert	4,850	—	—	0
2025-08-15	Edmondson Frazor Titus III	Chief Legal Officer	Convert	4,850	—	—	43,948