United States Biotechnology & Medical Research

Viking Therapeutics Inc (VKTX)

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Viking Therapeutics executives recently executed significant divestments, totaling over 6 million dollars in net value. These transactions occurred alongside the latest earnings report, which showed a positive surprise. Leadership, including the CEO and CFO, reduced their equity holdings, reflecting a period of notable selling activity following the company's recent stock price performance.
Ticker: VKTX Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Sale 29 Jul 2026
Value US$3,787,034.97 | Price 483.88 | Shares 33,207 (+37.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-29 2026-07-29 S Sale
3.6
Lian Brian

President & CEO

Executive Director
33,207 +37.2%
483.88
US$3,787,035 		33,207 +37.2% 483.88 US$3,787,035
2026-07-29 2026-07-29 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
57,644 +28.3%
39.27
US$4,590,799 		57,644 +28.3% 39.27 US$4,590,799
2026-07-29 2026-07-29 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
53,723 +23.8%
157.27
US$4,069,167 		53,723 +23.8% 157.27 US$4,069,167
2026-07-29 2026-07-29 PrS Proposed sale
3.6
BRIAN LIAN

Officer

Officer
1,000
33.32
US$100,000 		1,000 33.32 US$100,000
2026-07-29 2026-07-29 PrS Proposed sale
3.4
GREG ZANTE

Officer

Officer
1,000
33.47
US$100,000 		1,000 33.47 US$100,000
2026-07-29 2026-07-29 PrS Proposed sale
3.7
MARIANNA MANCINI

Officer

Officer
1,000
33.47
US$100,000 		1,000 33.47 US$100,000
2026-03-10 2026-03-10 B Purchase
2.3
Aubuchon Neil William

Chief Commercial Officer

Officer
4,475 +inf%
33.50
US$149,912 		4,475 +inf% 33.50 US$149,912
2026-01-05 2026-01-05 PrS Proposed sale
3.7
MARIANNA MANCINI

Officer

Officer
57,661
32.98
US$1,901,406 		57,661 32.98 US$1,901,406
2026-01-05 2026-01-05 PrS Proposed sale
3.4
GREG ZANTE

Officer

Officer
57,661
32.98
US$1,901,470 		57,661 32.98 US$1,901,470
2026-01-05 2026-01-05 PrS Proposed sale
3.6
BRIAN LIAN

Officer

Officer
233,409
32.96
US$7,692,134 		233,409 32.96 US$7,692,134
2026-01-05 2026-01-05 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
1,500 -0.8%
32.09
US$48,133 		1,500 -0.8% 32.09 US$48,133
2026-01-05 2026-01-05 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
10,300 -5.1%
34.24
US$352,635 		10,300 -5.1% 34.24 US$352,635
2026-01-05 2026-01-05 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
13,900 -6.4%
33.38
US$464,021 		13,900 -6.4% 33.38 US$464,021
2026-01-05 2026-01-05 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
31,961 -12.9%
32.30
US$1,032,180 		31,961 -12.9% 32.30 US$1,032,180
2026-01-05 2026-01-05 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
1,600 -0.4%
35.07
US$56,117 		1,600 -0.4% 35.07 US$56,117
2026-01-05 2026-01-05 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
10,500 -2.5%
34.22
US$359,303 		10,500 -2.5% 34.22 US$359,303
2026-01-05 2026-01-05 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
13,600 -3.1%
33.37
US$453,876 		13,600 -3.1% 33.37 US$453,876
2026-01-05 2026-01-05 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
31,961 -6.8%
32.29
US$1,032,110 		31,961 -6.8% 32.29 US$1,032,110
2026-01-05 2026-01-05 S Sale
3.6
Lian Brian

President & CEO

Executive Director
6,400 -0.3%
35.07
US$224,423 		6,400 -0.3% 35.07 US$224,423
2026-01-05 2026-01-05 S Sale
3.6
Lian Brian

President & CEO

Executive Director
41,276 -1.6%
34.22
US$1,412,399 		41,276 -1.6% 34.22 US$1,412,399
2026-01-05 2026-01-05 S Sale
3.6
Lian Brian

President & CEO

Executive Director
53,279 -2.0%
33.38
US$1,778,267 		53,279 -2.0% 33.38 US$1,778,267
2026-01-05 2026-01-05 S Sale
3.6
Lian Brian

President & CEO

Executive Director
132,454 -4.8%
32.29
US$4,277,032 		132,454 -4.8% 32.29 US$4,277,032
2026-01-05 2026-01-02 S Sale
3.6
FOEHR MATTHEW W
Non-Executive Director
16,000 -10.8%
35.11
US$561,694 		16,000 -10.8% 35.11 US$561,694
2026-01-02 2026-01-02 PrS Proposed sale
3.6
MATTHEW W. FOEHR

Director

Non-Executive Director
16,000
35.11
US$561,694 		16,000 35.11 US$561,694
2025-10-28 2025-10-28 PrS Proposed sale
3.4
GREG ZANTE

Officer

Officer
6,185
35.01
US$216,531 		6,185 35.01 US$216,531
2025-10-28 2025-10-28 PrS Proposed sale
3.7
MARIANNA MANCINI

Officer

Officer
6,185
35.00
US$216,492 		6,185 35.00 US$216,492
2025-10-28 2025-10-28 PrS Proposed sale
3.6
BRIAN LIAN

Officer

Officer
38,989
35.01
US$1,364,923 		38,989 35.01 US$1,364,923
2025-10-28 2025-10-28 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
6,185 -1.6%
35.00
US$216,492 		6,185 -1.6% 35.00 US$216,492
2025-10-28 2025-10-28 S Sale
3.6
Lian Brian

President & CEO

Executive Director
38,989 -1.6%
35.01
US$1,364,923 		38,989 -1.6% 35.01 US$1,364,923
2025-10-28 2025-10-28 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
6,185 -3.4%
35.00
US$216,481 		6,185 -3.4% 35.00 US$216,481
2025-10-28 2025-10-27 S Sale
3.8
Rowland Charles A Jr
Non-Executive Director
60,000 -66.7%
35.57
US$2,134,278 		60,000 -66.7% 35.57 US$2,134,278
2025-10-27 2025-10-27 PrS Proposed sale
3.8
CHARLES A ROWLAND JR.

Director

Non-Executive Director
60,000
35.57
US$2,134,278 		60,000 35.57 US$2,134,278
2025-07-03 2025-07-03 PrS Proposed sale
3.4
GREG ZANTE

Officer

Officer
4,266
27.76
US$118,428 		4,266 27.76 US$118,428
2025-07-03 2025-07-03 PrS Proposed sale
3.7
MARIANNA MANCINI

Officer

Officer
4,266
27.77
US$118,473 		4,266 27.77 US$118,473
2025-07-03 2025-07-03 PrS Proposed sale
3.6
BRIAN LIAN

Officer

Officer
26,889
27.80
US$747,633 		26,889 27.80 US$747,633
2025-07-03 2025-07-03 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
4,266 -1.1%
27.77
US$118,473 		4,266 -1.1% 27.77 US$118,473
2025-07-03 2025-07-03 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
4,266 -2.5%
27.76
US$118,428 		4,266 -2.5% 27.76 US$118,428
2025-07-03 2025-07-03 S Sale
3.6
Lian Brian

President & CEO

Executive Director
26,889 -1.1%
27.80
US$747,633 		26,889 -1.1% 27.80 US$747,633
2025-04-02 2025-03-31 B Purchase
3.2
Rouan Sarah Kathryn
Non-Executive Director
1,240 +inf%
24.15
US$29,943 		1,240 +inf% 24.15 US$29,943
2025-01-06 2025-01-06 PrS Proposed sale
3.4
GREG ZANTE

Officer

Officer
50,309
42.75
US$2,150,594 		50,309 42.75 US$2,150,594
2025-01-06 2025-01-06 PrS Proposed sale
3.7
MARIANNA MANCINI

Officer

Officer
54,215
42.75
US$2,317,599 		54,215 42.75 US$2,317,599
2025-01-06 2025-01-06 PrS Proposed sale
3.6
BRIAN LIAN

Officer

Officer
194,490
42.75
US$8,313,611 		194,490 42.75 US$8,313,611
2025-01-06 2025-01-06 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
4,700 -2.8%
43.32
US$203,601 		4,700 -2.8% 43.32 US$203,601
2025-01-06 2025-01-06 S Sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
45,609 -21.2%
42.69
US$1,946,993 		45,609 -21.2% 42.69 US$1,946,993
2025-01-06 2025-01-06 S Sale
3.6
Lian Brian

President & CEO

Executive Director
19,000 -0.8%
43.32
US$823,021 		19,000 -0.8% 43.32 US$823,021
2025-01-06 2025-01-06 S Sale
3.6
Lian Brian

President & CEO

Executive Director
175,490 -6.9%
42.68
US$7,490,580 		175,490 -6.9% 42.68 US$7,490,580
2025-01-06 2025-01-06 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
5,100 -1.3%
43.32
US$220,914 		5,100 -1.3% 43.32 US$220,914
2025-01-06 2025-01-06 S Sale
3.7
Mancini Marianna

Chief Operating Officer

Officer
49,115 -11.5%
42.69
US$2,096,685 		49,115 -11.5% 42.69 US$2,096,685
2024-11-08 2024-11-08 PrS Proposed sale
3.3
LAWSON MACARTNEY

Director

Non-Executive Director
2,000
68.67
US$137,333 		2,000 68.67 US$137,333
2024-11-08 2024-11-08 S Sale
3.3
MACARTNEY LAWSON
Non-Executive Director
2,000 -4.0%
68.67
US$137,333 		2,000 -4.0% 68.67 US$137,333
2024-10-28 2024-10-28 PrS Proposed sale
3.4
GREG ZANTE

Officer

Officer
131,687
78.03
US$10,275,537 		131,687 78.03 US$10,275,537
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
1,206 -0.8%
81.44
US$98,222 		1,206 -0.8% 81.44 US$98,222
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
7,967 -5.0%
80.65
US$642,545 		7,967 -5.0% 80.65 US$642,545
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
6,050 -3.7%
79.78
US$482,665 		6,050 -3.7% 79.78 US$482,665
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
15,825 -8.8%
78.69
US$1,245,280 		15,825 -8.8% 78.69 US$1,245,280
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
23,082 -11.3%
77.68
US$1,793,019 		23,082 -11.3% 77.68 US$1,793,019
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
9,265 -4.4%
76.94
US$712,803 		9,265 -4.4% 76.94 US$712,803
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
18,620 -8.0%
75.79
US$1,411,135 		18,620 -8.0% 75.79 US$1,411,135
2024-10-28 2024-10-28 PlS Planned sale
3.4
ZANTE GREG

Chief Financial Officer

Officer
49,672 -17.7%
74.56
US$3,703,495 		49,672 -17.7% 74.56 US$3,703,495
2024-10-25 2024-10-25 PrS Proposed sale
3.2
Rouan Sarah Kathryn

Director

Non-Executive Director
11,000
80.86
US$889,430 		11,000 80.86 US$889,430
2024-10-25 2024-10-25 PrS Proposed sale
SINGLETON J MATTHEW

Director

Non-Executive Director
16,000
79.47
US$1,271,479 		16,000 79.47 US$1,271,479
2024-10-25 2024-10-25 PlS Planned sale
3.2
Rouan Sarah Kathryn
Non-Executive Director
11,000 -100.0%
80.89
US$889,790 		11,000 -100.0% 80.89 US$889,790
2024-10-25 2024-10-25 PlS Planned sale
SINGLETON J MATTHEW
Non-Executive Director
16,000 -62.7%
79.50
US$1,272,000 		16,000 -62.7% 79.50 US$1,272,000
2024-09-20 2024-09-20 PrS Proposed sale
3.6
Lian Brian

Officer

Officer
216,130
18.41
US$3,978,372 		216,130 18.41 US$3,978,372
2024-09-20 2024-09-20 PrS Proposed sale
SINGLETON J MATTHEW

Director

Non-Executive Director
10,300
69.50
US$715,850 		10,300 69.50 US$715,850
2024-09-20 2024-09-20 PlS Planned sale
3.6
Lian Brian

President & CEO

Executive Director
200 -0.0%
71.99
US$14,397 		200 -0.0% 71.99 US$14,397
2024-09-20 2024-09-20 PlS Planned sale
3.6
Lian Brian

President & CEO

Executive Director
119,874 -4.9%
71.15
US$8,529,047 		119,874 -4.9% 71.15 US$8,529,047
2024-09-20 2024-09-20 PlS Planned sale
3.6
Lian Brian

President & CEO

Executive Director
96,056 -3.8%
70.43
US$6,765,109 		96,056 -3.8% 70.43 US$6,765,109
2024-09-20 2024-09-20 PlS Planned sale
SINGLETON J MATTHEW
Non-Executive Director
10,300 -52.0%
69.50
US$715,850 		10,300 -52.0% 69.50 US$715,850
2024-08-22 2024-08-21 PlS Planned sale
SINGLETON J MATTHEW
Non-Executive Director
5,700 -37.5%
69.72
US$397,430 		5,700 -37.5% 69.72 US$397,430
2024-08-22 2024-08-21 PlS Planned sale
3.6
Lian Brian

President & CEO

Executive Director
1,000 -0.0%
69.90
US$69,900 		1,000 -0.0% 69.90 US$69,900
2024-08-21 2024-08-21 PrS Proposed sale
3.6
Lian Brian

Officer

Officer
1,000
69.90
US$69,900 		1,000 69.90 US$69,900
2024-08-21 2024-08-21 PrS Proposed sale
SINGLETON J MATTHEW

Director

Non-Executive Director
5,700
69.72
US$397,404 		5,700 69.72 US$397,404
2024-08-19 2024-08-19 PrS Proposed sale
3.6
Lian Brian

Officer

Officer
112,870
65.79
US$7,425,717 		112,870 65.79 US$7,425,717
2024-08-19 2024-08-19 PrS Proposed sale
SINGLETON J MATTHEW

Director

Non-Executive Director
16,000
62.21
US$995,360 		16,000 62.21 US$995,360
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