KY Biotechnology & Medical Research

Legend Biotech Corp (LEGN)

Track

Track

Legend Biotech Corp experienced four insider trading transactions over the past ninety days, totaling approximately 338,882 USD in sales. Key executives, including the Chief Executive Officer, divested shares amid a 24.5% decline in stock value. These disposals follow a recent earnings report that missed expectations by 25%.
Ticker: LEGN Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Casey Patrick John Non-Executive Director
Transaction date
Sale
Price
377.58
Quantity 14,939 +22.8%
Value US$3,098,011
Casey Patrick John Director Non-Executive Director
Transaction date
Proposed sale
Price
127.99
Quantity 50,757
Value US$3,056,243
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
95.70
Quantity 9,610
Value US$4,166,060
Huang Ying Chief Executive Officer Executive Director
Transaction date
Sale
Price
14.78
Quantity 5,566 -2.2%
Value US$82,265
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
17.54
Quantity 4,968
Value US$87,149
Yeung Jessie Officer Officer
Transaction date
Proposed sale
Price
17.54
Quantity 1,862
Value US$32,663
Huang Ying Chief Executive Officer Executive Director
Transaction date
Sale
Price
8.77
Quantity 9,936 -3.9%
Value US$87,139
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
22.52
Quantity 64,339
Value US$1,449,074
2.4
Sanders Corazon (Corsee) D. Director Non-Executive Director
Transaction date
Proposed sale
Price
22.77
Quantity 969
Value US$22,064
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
22.95
Quantity 61,467
Value US$1,410,606
GenScript Corporation Affiliate
Transaction date
Proposed sale
Price
30.29
Quantity 203,586
Value US$6,166,620
Casey Patrick John Director Non-Executive Director
Transaction date
Proposed sale
Price
33.29
Quantity 1,000
Value US$33,285
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
33.00
Quantity 1,370
Value US$45,210
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
33.98
Quantity 1,357
Value US$46,112
Yeung Jessie Officer Officer
Transaction date
Proposed sale
Price
33.98
Quantity 474
Value US$16,107
2.4
Sanders Corazon (Corsee) D. Director Non-Executive Director
Transaction date
Proposed sale
Price
34.00
Quantity 307
Value US$10,438
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
45.04
Quantity 15,291
Value US$688,723
Yeung Jessie Officer Officer
Transaction date
Proposed sale
Price
45.00
Quantity 642
Value US$28,890
Casey Patrick John Director Non-Executive Director
Transaction date
Proposed sale
Price
33.23
Quantity 1,000
Value US$33,234
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
33.72
Quantity 12,119
Value US$408,653
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
34.60
Quantity 11,810
Value US$408,600
2.4
Sanders Corazon (Corsee) D. Director Non-Executive Director
Transaction date
Proposed sale
Price
34.37
Quantity 307
Value US$10,552
Casey Patrick John Director Non-Executive Director
Transaction date
Proposed sale
Price
32.32
Quantity 1,000
Value US$32,320
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
34.55
Quantity 6,548
Value US$226,233
Yeung Jessie Officer Officer
Transaction date
Proposed sale
Price
35.28
Quantity 339
Value US$11,959
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
35.28
Quantity 4,064
Value US$143,371
2.4
Sanders Corazon (Corsee) D. Director Non-Executive Director
Transaction date
Proposed sale
Price
36.33
Quantity 307
Value US$11,153
0.5
Macomber Lori Former Officer Officer
Transaction date
Proposed sale
Price
37.52
Quantity 32,632
Value US$1,224,285
0.5
Macomber Lori Former Officer Officer
Transaction date
Proposed sale
Price
32.19
Quantity 2,254
Value US$72,553
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
32.45
Quantity 63,061
Value US$2,046,512
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
32.45
Quantity 189
Value US$6,134
3.7
Heyman Tomas J. Director Non-Executive Director
Transaction date
Proposed sale
Price
43.31
Quantity 4,366
Value US$189,080
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
44.10
Quantity 1,504
Value US$66,326
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
48.91
Quantity 90,060
Value US$4,405,003
Yau Wai Man Philip Director Non-Executive Director
Transaction date
Proposed sale
Price
51.04
Quantity 1,946
Value US$99,324
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
42.66
Quantity 1,492
Value US$63,642
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
42.66
Quantity 11,679
Value US$498,176
DARREN XIAOHUI JI BOARD MEMBER
Transaction date
Proposed sale
Price
56.11
Quantity 750
Value US$42,083
DARREN XIAOHUI JI BOARD MEMBER
Transaction date
Proposed sale
Price
56.28
Quantity 750
Value US$42,212
DARREN XIAOHUI JI BOARD MEMBER
Transaction date
Proposed sale
Price
55.82
Quantity 500
Value US$27,910
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
56.95
Quantity 6,761
Value US$385,042
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
56.95
Quantity 905
Value US$51,540
Yau Wai Man Philip Director Non-Executive Director
Transaction date
Proposed sale
Price
63.65
Quantity 1,878
Value US$119,535
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
70.00
Quantity 30
Value US$2,100
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
70.00
Quantity 30
Value US$2,100
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
70.02
Quantity 68,514
Value US$4,797,508
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
65.00
Quantity 103
Value US$6,695
Yau Wai Man Philip Director Non-Executive Director
Transaction date
Proposed sale
Price
59.13
Quantity 1,200
Value US$70,956
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
57.80
Quantity 415
Value US$23,989
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
57.80
Quantity 681
Value US$39,364
3.7
Heyman Tomas J. Director Non-Executive Director
Transaction date
Proposed sale
Price
61.21
Quantity 1,432
Value US$87,653
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
70.24
Quantity 6,334
Value US$444,909
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
70.07
Quantity 29,377
Value US$2,058,399
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
70.07
Quantity 29,377
Value US$2,058,399
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
65.00
Quantity 333
Value US$21,645
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
63.20
Quantity 119
Value US$7,521
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
63.20
Quantity 1,396
Value US$88,231
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
66.43
Quantity 60,634
Value US$4,027,995
2.4
Sanders Corazon (Corsee) D. Director Non-Executive Director
Transaction date
Proposed sale
Price
69.31
Quantity 9,000
Value US$623,794
Yau Wai Man Philip Director Non-Executive Director
Transaction date
Proposed sale
Price
74.14
Quantity 1,132
Value US$83,926
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
74.32
Quantity 700
Value US$52,026
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
74.32
Quantity 4,477
Value US$332,745
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
67.95
Quantity 500
Value US$33,975
Huang Ying Officer Officer
Transaction date
Proposed sale
Price
67.63
Quantity 56,485
Value US$3,820,123
Yau Wai Man Philip Director Non-Executive Director
Transaction date
Proposed sale
Price
64.28
Quantity 3,000
Value US$192,835
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
63.52
Quantity 35,410
Value US$2,249,140
Huang Ying Officer; Director Executive Director
Transaction date
Proposed sale
Price
64.44
Quantity 17,722
Value US$1,142,027
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
70.00
Quantity 2,167
Value US$151,690
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
60.00
Quantity 3,533
Value US$211,980
0.5
Macomber Lori Officer Officer
Transaction date
Proposed sale
Price
46.53
Quantity 853
Value US$39,687
Huang Ying Officer Officer
Transaction date
Proposed sale
Price
46.53
Quantity 4,491
Value US$208,948
Yau Wai Man Philip Director Non-Executive Director
Transaction date
Proposed sale
Price
47.14
Quantity 16,819
Value US$792,848
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-02 2026-06-30 S Sale
Casey Patrick John
Non-Executive Director
14,939 +22.8%
377.58
US$3,098,011 		14,939 +22.8% 377.58 US$3,098,011
2026-06-30 2026-06-30 PrS Proposed sale
Casey Patrick John

Director

Non-Executive Director
50,757
127.99
US$3,056,243 		50,757 127.99 US$3,056,243
2026-06-26 2026-06-26 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
9,610
95.70
US$4,166,060 		9,610 95.70 US$4,166,060
2026-06-29 2026-06-25 S Sale
Huang Ying

Chief Executive Officer

Executive Director
5,566 -2.2%
14.78
US$82,265 		5,566 -2.2% 14.78 US$82,265
2026-03-26 2026-03-26 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
4,968
17.54
US$87,149 		4,968 17.54 US$87,149
2026-03-26 2026-03-26 PrS Proposed sale
Yeung Jessie

Officer

Officer
1,862
17.54
US$32,663 		1,862 17.54 US$32,663
2026-03-27 2026-03-25 S Sale
Huang Ying

Chief Executive Officer

Executive Director
9,936 -3.9%
8.77
US$87,139 		9,936 -3.9% 8.77 US$87,139
2025-12-29 2025-12-26 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
64,339
22.52
US$1,449,074 		64,339 22.52 US$1,449,074
2025-12-29 2025-12-24 PrS Proposed sale
2.4
Sanders Corazon (Corsee) D.

Director

Non-Executive Director
969
22.77
US$22,064 		969 22.77 US$22,064
2025-12-29 2025-12-24 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
61,467
22.95
US$1,410,606 		61,467 22.95 US$1,410,606
2025-11-17 2025-11-17 PrS Proposed sale
GenScript Corporation

Affiliate
203,586
30.29
US$6,166,620 		203,586 30.29 US$6,166,620
2025-09-26 2025-09-26 PrS Proposed sale
Casey Patrick John

Director

Non-Executive Director
1,000
33.29
US$33,285 		1,000 33.29 US$33,285
2025-09-24 2025-09-24 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
1,370
33.00
US$45,210 		1,370 33.00 US$45,210
2025-09-23 2025-09-23 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
1,357
33.98
US$46,112 		1,357 33.98 US$46,112
2025-09-23 2025-09-23 PrS Proposed sale
Yeung Jessie

Officer

Officer
474
33.98
US$16,107 		474 33.98 US$16,107
2025-09-23 2025-09-23 PrS Proposed sale
2.4
Sanders Corazon (Corsee) D.

Director

Non-Executive Director
307
34.00
US$10,438 		307 34.00 US$10,438
2025-07-23 2025-07-23 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
15,291
45.04
US$688,723 		15,291 45.04 US$688,723
2025-07-23 2025-07-23 PrS Proposed sale
Yeung Jessie

Officer

Officer
642
45.00
US$28,890 		642 45.00 US$28,890
2025-06-26 2025-06-26 PrS Proposed sale
Casey Patrick John

Director

Non-Executive Director
1,000
33.23
US$33,234 		1,000 33.23 US$33,234
2025-06-25 2025-06-25 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
12,119
33.72
US$408,653 		12,119 33.72 US$408,653
2025-06-24 2025-06-24 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
11,810
34.60
US$408,600 		11,810 34.60 US$408,600
2025-06-24 2025-06-24 PrS Proposed sale
2.4
Sanders Corazon (Corsee) D.

Director

Non-Executive Director
307
34.37
US$10,552 		307 34.37 US$10,552
2025-06-06 2025-06-06 PrS Proposed sale
Casey Patrick John

Director

Non-Executive Director
1,000
32.32
US$32,320 		1,000 32.32 US$32,320
2025-05-01 2025-05-01 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
6,548
34.55
US$226,233 		6,548 34.55 US$226,233
2025-03-25 2025-03-25 PrS Proposed sale
Yeung Jessie

Officer

Officer
339
35.28
US$11,959 		339 35.28 US$11,959
2025-03-25 2025-03-25 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
4,064
35.28
US$143,371 		4,064 35.28 US$143,371
2025-03-25 2025-03-25 PrS Proposed sale
2.4
Sanders Corazon (Corsee) D.

Director

Non-Executive Director
307
36.33
US$11,153 		307 36.33 US$11,153
2025-03-13 2025-03-13 PrS Proposed sale
0.5
Macomber Lori

Former Officer

Officer
32,632
37.52
US$1,224,285 		32,632 37.52 US$1,224,285
2025-01-10 2025-01-10 PrS Proposed sale
0.5
Macomber Lori

Former Officer

Officer
2,254
32.19
US$72,553 		2,254 32.19 US$72,553
2024-12-26 2024-12-24 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
63,061
32.45
US$2,046,512 		63,061 32.45 US$2,046,512
2024-12-26 2024-12-24 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
189
32.45
US$6,134 		189 32.45 US$6,134
2024-12-02 2024-12-02 PrS Proposed sale
3.7
Heyman Tomas J.

Director

Non-Executive Director
4,366
43.31
US$189,080 		4,366 43.31 US$189,080
2024-09-25 2024-09-25 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
1,504
44.10
US$66,326 		1,504 44.10 US$66,326
2024-09-20 2024-09-20 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
90,060
48.91
US$4,405,003 		90,060 48.91 US$4,405,003
2024-09-20 2024-09-20 PrS Proposed sale
Yau Wai Man Philip

Director

Non-Executive Director
1,946
51.04
US$99,324 		1,946 51.04 US$99,324
2024-06-25 2024-06-25 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
1,492
42.66
US$63,642 		1,492 42.66 US$63,642
2024-06-25 2024-06-25 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
11,679
42.66
US$498,176 		11,679 42.66 US$498,176
2024-03-28 2024-03-28 PrS Proposed sale
DARREN XIAOHUI JI

BOARD MEMBER
750
56.11
US$42,083 		750 56.11 US$42,083
2024-03-27 2024-03-27 PrS Proposed sale
DARREN XIAOHUI JI

BOARD MEMBER
750
56.28
US$42,212 		750 56.28 US$42,212
2024-03-26 2024-03-26 PrS Proposed sale
DARREN XIAOHUI JI

BOARD MEMBER
500
55.82
US$27,910 		500 55.82 US$27,910
2024-03-25 2024-03-25 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
6,761
56.95
US$385,042 		6,761 56.95 US$385,042
2024-03-25 2024-03-25 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
905
56.95
US$51,540 		905 56.95 US$51,540
2024-03-19 2024-03-19 PrS Proposed sale
Yau Wai Man Philip

Director

Non-Executive Director
1,878
63.65
US$119,535 		1,878 63.65 US$119,535
2024-02-28 2024-02-28 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
30
70.00
US$2,100 		30 70.00 US$2,100
2024-02-28 2024-02-28 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
30
70.00
US$2,100 		30 70.00 US$2,100
2024-02-27 2024-02-27 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
68,514
70.02
US$4,797,508 		68,514 70.02 US$4,797,508
2024-02-23 2024-02-23 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
103
65.00
US$6,695 		103 65.00 US$6,695
2023-12-27 2023-12-27 PrS Proposed sale
Yau Wai Man Philip

Director

Non-Executive Director
1,200
59.13
US$70,956 		1,200 59.13 US$70,956
2023-12-22 2023-12-22 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
415
57.80
US$23,989 		415 57.80 US$23,989
2023-12-22 2023-12-22 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
681
57.80
US$39,364 		681 57.80 US$39,364
2023-12-12 2023-12-12 PrS Proposed sale
3.7
Heyman Tomas J.

Director

Non-Executive Director
1,432
61.21
US$87,653 		1,432 61.21 US$87,653
2023-10-17 2023-10-17 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
6,334
70.24
US$444,909 		6,334 70.24 US$444,909
2023-10-17 2023-10-16 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
29,377
70.07
US$2,058,399 		29,377 70.07 US$2,058,399
2023-10-16 2023-10-16 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
29,377
70.07
US$2,058,399 		29,377 70.07 US$2,058,399
2023-09-27 2023-09-27 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
333
65.00
US$21,645 		333 65.00 US$21,645
2023-09-22 2023-09-22 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
119
63.20
US$7,521 		119 63.20 US$7,521
2023-09-22 2023-09-22 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
1,396
63.20
US$88,231 		1,396 63.20 US$88,231
2023-09-18 2023-09-18 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
60,634
66.43
US$4,027,995 		60,634 66.43 US$4,027,995
2023-08-23 2023-08-23 PrS Proposed sale
2.4
Sanders Corazon (Corsee) D.

Director

Non-Executive Director
9,000
69.31
US$623,794 		9,000 69.31 US$623,794
2023-06-26 2023-06-26 PrS Proposed sale
Yau Wai Man Philip

Director

Non-Executive Director
1,132
74.14
US$83,926 		1,132 74.14 US$83,926
2023-06-22 2023-06-22 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
700
74.32
US$52,026 		700 74.32 US$52,026
2023-06-22 2023-06-22 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
4,477
74.32
US$332,745 		4,477 74.32 US$332,745
2023-06-07 2023-06-07 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
500
67.95
US$33,975 		500 67.95 US$33,975
2023-06-06 2023-06-06 PrS Proposed sale
Huang Ying

Officer

Officer
56,485
67.63
US$3,820,123 		56,485 67.63 US$3,820,123
2023-06-05 2023-06-05 PrS Proposed sale
Yau Wai Man Philip

Director

Non-Executive Director
3,000
64.28
US$192,835 		3,000 64.28 US$192,835
2023-06-02 2023-06-02 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
35,410
63.52
US$2,249,140 		35,410 63.52 US$2,249,140
2023-06-01 2023-06-01 PrS Proposed sale
Huang Ying

Officer; Director

Executive Director
17,722
64.44
US$1,142,027 		17,722 64.44 US$1,142,027
2023-04-21 2023-04-21 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
2,167
70.00
US$151,690 		2,167 70.00 US$151,690
2023-04-19 2023-04-19 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
3,533
60.00
US$211,980 		3,533 60.00 US$211,980
2023-04-05 2023-04-05 PrS Proposed sale
0.5
Macomber Lori

Officer

Officer
853
46.53
US$39,687 		853 46.53 US$39,687
2023-04-05 2023-04-05 PrS Proposed sale
Huang Ying

Officer

Officer
4,491
46.53
US$208,948 		4,491 46.53 US$208,948
2023-04-03 2023-04-03 PrS Proposed sale
Yau Wai Man Philip

Director

Non-Executive Director
16,819
47.14
US$792,848 		16,819 47.14 US$792,848
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