Zai Lab Ltd (9688)

Zai Lab Ltd experienced significant insider trading activity recently, totaling over $3 million in sales. Following a positive earnings report, executives including the CFO and former officers executed planned divestments. These transactions occurred amidst a 16.8% stock price increase over the past ninety days, reflecting notable liquidity events by key leadership personnel.
Ticker: 9688 Exchange: HKG


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Zai Lab Ltd. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.0
Smiley Joshua L Former Officer Officer
Transaction date
Proposed sale
Price
490.11
Quantity 65,407
Value US$3,442,580
Chen Yajing Chief Financial Officer Officer
Transaction date
Planned sale
Price
78.42
Quantity 82,102 -40.4%
Value US$4,198,808
Chen Yajing Officer Officer
Transaction date
Proposed sale
Price
312.49
Quantity 84,602
Value US$3,595,182
1.5
Lis William Non-Executive Director
Transaction date
Planned sale
Price
25.00
Quantity 8,506 -16.9%
Value US$212,650
1.5
Lis William Director Non-Executive Director
Transaction date
Proposed sale
Price
25.00
Quantity 8,506
Value US$212,650
Chen Yajing Chief Financial Officer Officer
Transaction date
Planned sale
Price
25.00
Quantity 619 -1.7%
Value US$15,475
Chen Yajing Officer Officer
Transaction date
Proposed sale
Price
25.00
Quantity 619
Value US$15,475
GAYNOR RICHARD Non-Executive Director
Transaction date
Planned purchase
Price
19.05
Quantity 1,736 +2.2%
Value US$33,071
Du Ying Chairperson & CEO Executive Director
Transaction date
Sale
Price
18.53
Quantity 7,026 -0.6%
Value US$130,220
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
18.53
Quantity 7,026
Value US$130,220
Du Ying Chairperson & CEO Executive Director
Transaction date
Sale
Price
17.46
Quantity 24,543 -2.0%
Value US$428,545
Chen Yajing Chief Financial Officer Officer
Transaction date
Sale
Price
17.46
Quantity 2,264 -6.0%
Value US$39,532
Chen Yajing Officer Officer
Transaction date
Proposed sale
Price
17.46
Quantity 2,264
Value US$39,532
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
17.46
Quantity 24,543
Value US$428,553
1.5
Lis William Non-Executive Director
Transaction date
Planned sale
Price
18.09
Quantity 7,040 -12.2%
Value US$127,354
1.5
Lis William Director Non-Executive Director
Transaction date
Proposed sale
Price
18.09
Quantity 7,040
Value US$127,354
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.00
Quantity 50,000 -4.3%
Value US$949,765
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
19.52
Quantity 50,000
Value US$976,000
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
20.74
Quantity 50,000 -4.3%
Value US$1,037,110
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
20.46
Quantity 50,000
Value US$1,023,000
Edmondson Frazor Titus III Chief Legal Officer Officer
Transaction date
Planned sale
Price
20.19
Quantity 3,517 -15.1%
Value US$71,008
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
20.09
Quantity 50,000 -4.3%
Value US$1,004,575
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
20.09
Quantity 50,000 -4.3%
Value US$1,004,575
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
20.09
Quantity 50,000
Value US$1,004,578
Transaction date
Proposed sale
Price
20.19
Quantity 3,517
Value US$71,008
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
20.22
Quantity 33,769 -2.9%
Value US$682,887
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
20.22
Quantity 33,769 -2.9%
Value US$682,887
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.44
Quantity 16,231 -1.4%
Value US$315,583
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.44
Quantity 16,231 -1.4%
Value US$315,583
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
19.20
Quantity 50,000
Value US$960,000
3.0
Smiley Joshua L See Remarks Officer
Transaction date
Sale
Price
20.45
Quantity 3,017 -2.5%
Value US$61,692
Du Ying Chairperson & CEO Executive Director
Transaction date
Sale
Price
20.45
Quantity 2,653 -0.2%
Value US$54,249
3.8
Amado Rafael See Remarks Officer
Transaction date
Sale
Price
20.45
Quantity 2,739 -4.6%
Value US$56,007
Chen Yajing Chief Financial Officer Officer
Transaction date
Sale
Price
20.45
Quantity 853 -2.6%
Value US$17,442
3.0
Smiley Joshua L Officer Officer
Transaction date
Proposed sale
Price
20.45
Quantity 3,017
Value US$61,693
3.8
Amado Rafael Officer Officer
Transaction date
Proposed sale
Price
20.45
Quantity 2,739
Value US$56,008
Chen Yajing Officer Officer
Transaction date
Proposed sale
Price
20.45
Quantity 853
Value US$17,443
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
20.45
Quantity 2,653
Value US$54,250
Du Ying Chairperson & CEO Executive Director
Transaction date
Sale
Price
20.39
Quantity 5,576 -0.5%
Value US$113,695
3.8
Amado Rafael See Remarks Officer
Transaction date
Sale
Price
20.39
Quantity 9,910 -14.2%
Value US$202,065
Chen Yajing Chief Financial Officer Officer
Transaction date
Sale
Price
20.39
Quantity 5,199 -13.8%
Value US$106,008
3.0
Smiley Joshua L See Remarks Officer
Transaction date
Sale
Price
20.39
Quantity 9,614 -7.4%
Value US$196,029
3.0
Smiley Joshua L Officer Officer
Transaction date
Proposed sale
Price
20.39
Quantity 9,614
Value US$196,030
3.0
Smiley Joshua L Officer Officer
Transaction date
Proposed sale
Price
20.39
Quantity 9,614
Value US$196,030
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
20.39
Quantity 5,576
Value US$113,695
3.8
Amado Rafael Officer Officer
Transaction date
Proposed sale
Price
20.39
Quantity 9,910
Value US$202,066
Chen Yajing Officer Officer
Transaction date
Proposed sale
Price
20.39
Quantity 5,199
Value US$106,008
GAYNOR RICHARD Non-Executive Director
Transaction date
Planned purchase
Price
18.91
Quantity 1,731 +3.2%
Value US$32,733
3.0
Smiley Joshua L See Remarks Officer
Transaction date
Sale
Price
18.63
Quantity 1,966 -2.1%
Value US$36,623
3.8
Amado Rafael See Remarks Officer
Transaction date
Sale
Price
18.63
Quantity 2,957 -6.2%
Value US$55,083
Chen Yajing Chief Financial Officer Officer
Transaction date
Sale
Price
18.63
Quantity 1,703 -7.8%
Value US$31,723
3.8
Amado Rafael Officer Officer
Transaction date
Proposed sale
Price
18.63
Quantity 2,957
Value US$55,084
3.0
Smiley Joshua L Officer Officer
Transaction date
Proposed sale
Price
18.63
Quantity 1,966
Value US$36,623
Chen Yajing Officer Officer
Transaction date
Proposed sale
Price
18.63
Quantity 1,703
Value US$31,724
Du Ying Chairperson & CEO Executive Director
Transaction date
Sale
Price
19.08
Quantity 1,067 -0.1%
Value US$20,363
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
19.08
Quantity 1,067
Value US$20,362
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.03
Quantity 50,000 -4.9%
Value US$951,465
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
19.21
Quantity 50,000
Value US$960,500
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.42
Quantity 50,000 -4.9%
Value US$970,935
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
19.18
Quantity 50,000
Value US$959,000
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.22
Quantity 50,000 -4.9%
Value US$961,055
Edmondson Frazor Titus III Chief Legal Officer Officer
Transaction date
Planned sale
Price
19.06
Quantity 15,569 -81.6%
Value US$296,745
Transaction date
Proposed sale
Price
19.06
Quantity 15,569
Value US$296,745
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
19.06
Quantity 50,000
Value US$953,000
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
19.32
Quantity 35,710 -3.6%
Value US$689,831
Du Ying Chairperson & CEO Executive Director
Transaction date
Planned sale
Price
18.78
Quantity 14,290 -1.4%
Value US$268,322
Du Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
18.28
Quantity 50,000
Value US$914,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-20 2026-08-20 PrS Proposed sale

Former Officer

Officer
65,407
490.11
US$3,442,580
65,407 490.11 US$3,442,580
2026-08-21 2026-08-19 PlS Planned sale

Chief Financial Officer

Officer
82,102 -40.4%
78.42
US$4,198,808
82,102 -40.4% 78.42 US$4,198,808
2026-08-19 2026-08-19 PrS Proposed sale

Officer

Officer
84,602
312.49
US$3,595,182
84,602 312.49 US$3,595,182
2026-08-13 2026-08-12 PlS Planned sale Non-Executive Director
8,506 -16.9%
25.00
US$212,650
8,506 -16.9% 25.00 US$212,650
2026-08-12 2026-08-12 PrS Proposed sale

Director

Non-Executive Director
8,506
25.00
US$212,650
8,506 25.00 US$212,650
2026-08-13 2026-08-11 PlS Planned sale

Chief Financial Officer

Officer
619 -1.7%
25.00
US$15,475
619 -1.7% 25.00 US$15,475
2026-08-11 2026-08-11 PrS Proposed sale

Officer

Officer
619
25.00
US$15,475
619 25.00 US$15,475
2026-07-06 2026-07-01 PP Planned purchase Non-Executive Director
1,736 +2.2%
19.05
US$33,071
1,736 +2.2% 19.05 US$33,071
2026-07-01 2026-06-30 S Sale

Chairperson & CEO

Executive Director
7,026 -0.6%
18.53
US$130,220
7,026 -0.6% 18.53 US$130,220
2026-06-30 2026-06-30 PrS Proposed sale

Officer; Director

Executive Director
7,026
18.53
US$130,220
7,026 18.53 US$130,220
2026-06-29 2026-06-26 S Sale

Chief Legal Officer

Officer
4,103 -11.9%
17.46
US$71,642
4,103 -11.9% 17.46 US$71,642
2026-06-29 2026-06-26 S Sale

Chairperson & CEO

Executive Director
24,543 -2.0%
17.46
US$428,545
24,543 -2.0% 17.46 US$428,545
2026-06-29 2026-06-26 S Sale

Chief Financial Officer

Officer
2,264 -6.0%
17.46
US$39,532
2,264 -6.0% 17.46 US$39,532
2026-06-26 2026-06-26 PrS Proposed sale

Officer

Officer
2,264
17.46
US$39,532
2,264 17.46 US$39,532
2026-06-26 2026-06-26 PrS Proposed sale

Officer

Officer
4,103
17.46
US$71,644
4,103 17.46 US$71,644
2026-06-26 2026-06-26 PrS Proposed sale

Officer; Director

Executive Director
24,543
17.46
US$428,553
24,543 17.46 US$428,553
2026-06-24 2026-06-22 PlS Planned sale Non-Executive Director
7,040 -12.2%
18.09
US$127,354
7,040 -12.2% 18.09 US$127,354
2026-06-22 2026-06-22 PrS Proposed sale

Director

Non-Executive Director
7,040
18.09
US$127,354
7,040 18.09 US$127,354
2026-05-19 2026-05-18 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.3%
19.00
US$949,765
50,000 -4.3% 19.00 US$949,765
2026-05-18 2026-05-18 PrS Proposed sale

Officer; Director

Executive Director
50,000
19.52
US$976,000
50,000 19.52 US$976,000
2026-05-19 2026-05-15 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.3%
20.74
US$1,037,110
50,000 -4.3% 20.74 US$1,037,110
2026-05-15 2026-05-15 PrS Proposed sale

Officer; Director

Executive Director
50,000
20.46
US$1,023,000
50,000 20.46 US$1,023,000
2026-05-15 2026-05-14 PlS Planned sale

Chief Legal Officer

Officer
3,517 -15.1%
20.19
US$71,008
3,517 -15.1% 20.19 US$71,008
2026-05-15 2026-05-14 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.3%
20.09
US$1,004,575
50,000 -4.3% 20.09 US$1,004,575
2026-05-15 2026-05-14 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.3%
20.09
US$1,004,575
50,000 -4.3% 20.09 US$1,004,575
2026-05-14 2026-05-14 PrS Proposed sale

Officer; Director

Executive Director
50,000
20.09
US$1,004,578
50,000 20.09 US$1,004,578
2026-05-14 2026-05-14 PrS Proposed sale

Officer

Officer
3,517
20.19
US$71,008
3,517 20.19 US$71,008
2026-05-15 2026-05-13 PlS Planned sale

Chairperson & CEO

Executive Director
33,769 -2.9%
20.22
US$682,887
33,769 -2.9% 20.22 US$682,887
2026-05-15 2026-05-13 PlS Planned sale

Chairperson & CEO

Executive Director
33,769 -2.9%
20.22
US$682,887
33,769 -2.9% 20.22 US$682,887
2026-05-15 2026-05-13 PlS Planned sale

Chairperson & CEO

Executive Director
16,231 -1.4%
19.44
US$315,583
16,231 -1.4% 19.44 US$315,583
2026-05-15 2026-05-13 PlS Planned sale

Chairperson & CEO

Executive Director
16,231 -1.4%
19.44
US$315,583
16,231 -1.4% 19.44 US$315,583
2026-05-13 2026-05-13 PrS Proposed sale

Officer; Director

Executive Director
50,000
19.20
US$960,000
50,000 19.20 US$960,000
2026-04-08 2026-04-06 S Sale

See Remarks

Officer
3,017 -2.5%
20.45
US$61,692
3,017 -2.5% 20.45 US$61,692
2026-04-08 2026-04-06 S Sale

Chief Legal Officer

Officer
1,224 -5.0%
20.45
US$25,028
1,224 -5.0% 20.45 US$25,028
2026-04-08 2026-04-06 S Sale

Chairperson & CEO

Executive Director
2,653 -0.2%
20.45
US$54,249
2,653 -0.2% 20.45 US$54,249
2026-04-08 2026-04-06 S Sale

See Remarks

Officer
2,739 -4.6%
20.45
US$56,007
2,739 -4.6% 20.45 US$56,007
2026-04-08 2026-04-06 S Sale

Chief Financial Officer

Officer
853 -2.6%
20.45
US$17,442
853 -2.6% 20.45 US$17,442
2026-04-06 2026-04-06 PrS Proposed sale

Officer

Officer
3,017
20.45
US$61,693
3,017 20.45 US$61,693
2026-04-06 2026-04-06 PrS Proposed sale

Officer

Officer
2,739
20.45
US$56,008
2,739 20.45 US$56,008
2026-04-06 2026-04-06 PrS Proposed sale

Officer

Officer
853
20.45
US$17,443
853 20.45 US$17,443
2026-04-06 2026-04-06 PrS Proposed sale

Officer; Director

Executive Director
2,653
20.45
US$54,250
2,653 20.45 US$54,250
2026-04-06 2026-04-06 PrS Proposed sale

Officer

Officer
1,224
20.45
US$25,029
1,224 20.45 US$25,029
2026-04-03 2026-04-02 S Sale

Chairperson & CEO

Executive Director
5,576 -0.5%
20.39
US$113,695
5,576 -0.5% 20.39 US$113,695
2026-04-03 2026-04-02 S Sale

Chief Legal Officer

Officer
4,194 -14.6%
20.39
US$85,516
4,194 -14.6% 20.39 US$85,516
2026-04-03 2026-04-02 S Sale

See Remarks

Officer
9,910 -14.2%
20.39
US$202,065
9,910 -14.2% 20.39 US$202,065
2026-04-03 2026-04-02 S Sale

Chief Financial Officer

Officer
5,199 -13.8%
20.39
US$106,008
5,199 -13.8% 20.39 US$106,008
2026-04-03 2026-04-02 S Sale

See Remarks

Officer
9,614 -7.4%
20.39
US$196,029
9,614 -7.4% 20.39 US$196,029
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
9,614
20.39
US$196,030
9,614 20.39 US$196,030
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
9,614
20.39
US$196,030
9,614 20.39 US$196,030
2026-04-02 2026-04-02 PrS Proposed sale

Officer; Director

Executive Director
5,576
20.39
US$113,695
5,576 20.39 US$113,695
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
9,910
20.39
US$202,066
9,910 20.39 US$202,066
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
4,194
20.39
US$85,516
4,194 20.39 US$85,516
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
5,199
20.39
US$106,008
5,199 20.39 US$106,008
2026-03-19 2026-03-17 PP Planned purchase Non-Executive Director
1,731 +3.2%
18.91
US$32,733
1,731 +3.2% 18.91 US$32,733
2026-03-16 2026-03-13 S Sale

See Remarks

Officer
1,966 -2.1%
18.63
US$36,623
1,966 -2.1% 18.63 US$36,623
2026-03-16 2026-03-13 S Sale

Chief Legal Officer

Officer
1,281 -16.5%
18.63
US$23,862
1,281 -16.5% 18.63 US$23,862
2026-03-16 2026-03-13 S Sale

See Remarks

Officer
2,957 -6.2%
18.63
US$55,083
2,957 -6.2% 18.63 US$55,083
2026-03-16 2026-03-13 S Sale

Chief Financial Officer

Officer
1,703 -7.8%
18.63
US$31,723
1,703 -7.8% 18.63 US$31,723
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
1,281
18.63
US$23,863
1,281 18.63 US$23,863
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
2,957
18.63
US$55,084
2,957 18.63 US$55,084
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
1,966
18.63
US$36,623
1,966 18.63 US$36,623
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
1,703
18.63
US$31,724
1,703 18.63 US$31,724
2026-03-12 2026-03-11 S Sale

Chairperson & CEO

Executive Director
1,067 -0.1%
19.08
US$20,363
1,067 -0.1% 19.08 US$20,363
2026-03-11 2026-03-11 PrS Proposed sale

Officer; Director

Executive Director
1,067
19.08
US$20,362
1,067 19.08 US$20,362
2026-03-10 2026-03-09 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.9%
19.03
US$951,465
50,000 -4.9% 19.03 US$951,465
2026-03-09 2026-03-09 PrS Proposed sale

Officer; Director

Executive Director
50,000
19.21
US$960,500
50,000 19.21 US$960,500
2026-03-10 2026-03-06 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.9%
19.42
US$970,935
50,000 -4.9% 19.42 US$970,935
2026-03-06 2026-03-06 PrS Proposed sale

Officer; Director

Executive Director
50,000
19.18
US$959,000
50,000 19.18 US$959,000
2026-03-06 2026-03-05 PlS Planned sale

Chairperson & CEO

Executive Director
50,000 -4.9%
19.22
US$961,055
50,000 -4.9% 19.22 US$961,055
2026-03-06 2026-03-05 PlS Planned sale

Chief Legal Officer

Officer
15,569 -81.6%
19.06
US$296,745
15,569 -81.6% 19.06 US$296,745
2026-03-05 2026-03-05 PrS Proposed sale

Officer

Officer
15,569
19.06
US$296,745
15,569 19.06 US$296,745
2026-03-05 2026-03-05 PrS Proposed sale

Officer; Director

Executive Director
50,000
19.06
US$953,000
50,000 19.06 US$953,000
2026-03-06 2026-03-04 PlS Planned sale

Chairperson & CEO

Executive Director
35,710 -3.6%
19.32
US$689,831
35,710 -3.6% 19.32 US$689,831
2026-03-06 2026-03-04 PlS Planned sale

Chairperson & CEO

Executive Director
14,290 -1.4%
18.78
US$268,322
14,290 -1.4% 18.78 US$268,322
2026-03-04 2026-03-04 PrS Proposed sale

Officer; Director

Executive Director
50,000
18.28
US$914,000
50,000 18.28 US$914,000