Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-03-31 Purchase(A) |
2025-04-08 7:05 pm |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
1,240 | $24.15 | $29,943 | 1,240 (Direct) |
View |
2025-03-31 Purchase |
2025-04-02 6:29 pm |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
1,240 | $24.15 | $29,943 | 1,240 (Direct) |
View |
2025-01-06 Sale |
2025-01-06 8:16 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
194,490 | $42.75 | $8,313,601 | 2,444,870 (Direct) |
View |
2025-01-06 Sale |
2025-01-06 8:15 pm |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
54,215 | $42.75 | $2,317,599 | 411,334 (Direct) |
View |
2025-01-06 Sale |
2025-01-06 8:14 pm |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
50,309 | $42.75 | $2,150,595 | 202,459 (Direct) |
View |
2024-11-08 Sale |
2024-11-08 6:22 pm |
Viking Therapeutics Inc. | VKTX | MACARTNEY LAWSON Director |
2,000 | $68.67 | $137,333 | 67,965 (Direct) |
View |
2024-10-28 Sale |
2024-10-28 9:48 pm |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
131,687 | $76.61 | $10,089,164 | 302,366 (Direct) |
View |
2024-10-25 Sale |
2024-10-25 7:28 pm |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
11,000 | $80.89 | $889,790 | 11,000 (Direct) |
View |
2024-10-25 Sale |
2024-10-25 7:27 pm |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
16,000 | $79.5 | $1,272,000 | 9,500 (Direct) |
View |
2024-09-20 Sale |
2024-09-20 9:21 pm |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
10,300 | $69.5 | $715,850 | 9,500 (Direct) |
View |
2024-09-20 Sale |
2024-09-20 9:20 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
216,130 | $70.83 | $15,308,553 | 2,369,927 (Direct) |
View |
2024-08-21 Sale |
2024-08-22 7:23 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
1,000 | $69.9 | $69,900 | 2,586,057 (Direct) |
View |
2024-08-21 Sale |
2024-08-22 7:23 pm |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
5,700 | $69.72 | $397,430 | 19,800 (Direct) |
View |
2024-08-19 Sale |
2024-08-19 8:13 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
112,870 | $65.8 | $7,426,508 | 2,587,057 (Direct) |
View |
2024-08-19 Sale |
2024-08-19 8:11 pm |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
16,000 | $62.22 | $995,453 | 9,500 (Direct) |
View |
2024-08-14 Sale |
2024-08-14 8:03 pm |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
20,786 | $57.53 | $1,195,736 | 9,500 (Direct) |
View |
2024-07-30 Sale |
2024-07-31 4:05 pm |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
16,136 | $57.15 | $922,212 | 187,052 (Direct) |
View |
2024-07-30 Sale |
2024-07-31 4:05 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
115,859 | $57.58 | $6,670,604 | 2,354,927 (Direct) |
View |
2024-07-30 Sale |
2024-07-31 4:05 pm |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
18,026 | $57.13 | $1,029,912 | 362,149 (Direct) |
View |
2024-05-03 Sale |
2024-05-03 8:51 pm |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
66,756 | $74.69 | $4,986,008 | 239,105 (Direct) |
View |
2024-05-01 Sale |
2024-05-02 9:27 pm |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
281,425 | $78.66 | $22,136,474 | 607,083 (Direct) |
View |
2024-02-09 Sale |
2024-02-09 8:59 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
45,000 | $29.9 | $1,345,500 | 2,139,882 (Direct) |
View |
2024-02-08 Sale |
2024-02-08 7:40 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
269,079 | $26.87 | $7,230,784 | 2,184,882 (Direct) |
View |
2024-02-08 Sale |
2024-02-08 7:38 pm |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
25,000 | $28.05 | $701,250 | 0 (Direct) |
View |
2024-01-31 Sale |
2024-01-31 8:39 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
85,000 | $24.71 | $2,100,750 | 2,279,030 (Direct) |
View |
2024-01-30 Sale |
2024-01-30 9:05 pm |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
35,000 | $23.95 | $838,250 | 2,364,030 (Direct) |
View |
2024-01-19 Sale |
2024-01-19 8:35 pm |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
30,000 | $23.05 | $691,500 | 25,000 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-04-11 Exercise |
2025-04-14 7:26 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | FOEHR MATTHEW W Director |
20,786 | $8 | 132,036 (Direct) |
View |
2025-04-11 Exercise |
2025-04-14 7:26 pm |
2016-05-26 2025-04-28 |
Viking Therapeutics Inc. | VKTX | FOEHR MATTHEW W Director |
20,786 | $0 | 132,036 (Direct) |
View |
2025-01-03 Option Award |
2025-01-06 8:16 pm |
2026-01-03 2035-01-03 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
334,433 | $0 | 2,444,870 (Direct) |
View |
2025-01-03 Option Award |
2025-01-06 8:15 pm |
2026-01-03 2035-01-03 |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
103,400 | $0 | 411,334 (Direct) |
View |
2025-01-03 Option Award |
2025-01-06 8:14 pm |
2026-01-03 2035-01-03 |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
103,400 | $0 | 202,459 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 8:14 pm |
2026-01-02 2035-01-02 |
Viking Therapeutics Inc. | VKTX | MACARTNEY LAWSON Director |
18,800 | $0 | 18,800 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 8:13 pm |
2026-01-02 2035-01-02 |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
18,800 | $0 | 18,800 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 8:13 pm |
2026-01-02 2035-01-02 |
Viking Therapeutics Inc. | VKTX | Rowland Charles A Jr Director |
18,800 | $0 | 18,800 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 8:12 pm |
2026-01-02 2035-01-02 |
Viking Therapeutics Inc. | VKTX | FOEHR MATTHEW W Director |
18,800 | $0 | 18,800 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 8:11 pm |
2026-01-02 2035-01-02 |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
18,800 | $0 | 18,800 (Direct) |
View |
2024-11-08 Exercise |
2024-11-08 6:22 pm |
2022-01-04 2031-01-04 |
Viking Therapeutics Inc. | VKTX | MACARTNEY LAWSON Director |
2,000 | $0 | 67,965 (Direct) |
View |
2024-11-08 Exercise |
2024-11-08 6:22 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | MACARTNEY LAWSON Director |
2,000 | $5.8 | 67,965 (Direct) |
View |
2024-10-28 Exercise |
2024-10-28 9:48 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
4,251 | $4.68 | 302,366 (Direct) |
View |
2024-10-28 Exercise |
2024-10-28 9:48 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
12,750 | $7.77 | 302,366 (Direct) |
View |
2024-10-28 Exercise |
2024-10-28 9:48 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
51,000 | $8.52 | 302,366 (Direct) |
View |
2024-10-28 Exercise |
2024-10-28 9:48 pm |
2021-01-03 2030-01-03 |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
94,001 | $0 | 302,366 (Direct) |
View |
2024-10-28 Exercise |
2024-10-28 9:48 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
26,000 | $5.8 | 302,366 (Direct) |
View |
2024-10-25 Exercise |
2024-10-25 7:28 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
11,000 | $4.88 | 11,000 (Direct) |
View |
2024-10-25 Exercise |
2024-10-25 7:28 pm |
2023-01-03 2032-01-03 |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
11,000 | $0 | 11,000 (Direct) |
View |
2024-10-25 Exercise |
2024-10-25 7:27 pm |
2019-01-02 2028-01-02 |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
16,000 | $0 | 9,500 (Direct) |
View |
2024-10-25 Exercise |
2024-10-25 7:27 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
16,000 | $4.48 | 9,500 (Direct) |
View |
2024-09-20 Exercise |
2024-09-20 9:21 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
10,300 | $1.19 | 9,500 (Direct) |
View |
2024-09-20 Exercise |
2024-09-20 9:21 pm |
2018-01-03 2027-01-03 |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
10,300 | $0 | 9,500 (Direct) |
View |
2024-09-20 Exercise |
2024-09-20 9:20 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
166,130 | $7.77 | 2,369,927 (Direct) |
View |
2024-09-20 Exercise |
2024-09-20 9:20 pm |
2021-01-03 2030-01-03 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
166,130 | $0 | 2,369,927 (Direct) |
View |
2024-08-21 Exercise |
2024-08-22 7:23 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
1,000 | $7.77 | 2,586,057 (Direct) |
View |
2024-08-21 Exercise |
2024-08-22 7:23 pm |
2021-01-03 2030-01-03 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
1,000 | $0 | 2,586,057 (Direct) |
View |
2024-08-21 Exercise |
2024-08-22 7:23 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
5,700 | $1.19 | 19,800 (Direct) |
View |
2024-08-21 Exercise |
2024-08-22 7:23 pm |
2018-01-03 2027-01-03 |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
5,700 | $0 | 19,800 (Direct) |
View |
2024-08-19 Exercise |
2024-08-19 8:13 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
112,870 | $7.77 | 2,587,057 (Direct) |
View |
2024-08-19 Exercise |
2024-08-19 8:13 pm |
2021-01-03 2030-01-03 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
112,870 | $0 | 2,587,057 (Direct) |
View |
2024-08-19 Exercise |
2024-08-19 8:11 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
16,000 | $3.33 | 9,500 (Direct) |
View |
2024-08-19 Exercise |
2024-08-19 8:11 pm |
2017-01-04 2026-01-04 |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
16,000 | $0 | 9,500 (Direct) |
View |
2024-08-14 Exercise |
2024-08-14 8:03 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
20,786 | $8 | 9,500 (Direct) |
View |
2024-08-14 Exercise |
2024-08-14 8:03 pm |
2016-05-26 2025-04-28 |
Viking Therapeutics Inc. | VKTX | SINGLETON J MATTHEW Director |
20,786 | $0 | 9,500 (Direct) |
View |
2024-07-29 Option Award |
2024-07-31 4:05 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
28,334 | $0 | 187,052 (Direct) |
View |
2024-07-29 Option Award |
2024-07-31 4:05 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
204,333 | $0 | 2,354,927 (Direct) |
View |
2024-07-29 Option Award |
2024-07-31 4:05 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
31,667 | $0 | 362,149 (Direct) |
View |
2024-05-03 Exercise |
2024-05-03 8:51 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
4,249 | $4.68 | 239,105 (Direct) |
View |
2024-05-03 Exercise |
2024-05-03 8:51 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
30,000 | $4.88 | 239,105 (Direct) |
View |
2024-05-03 Exercise |
2024-05-03 8:51 pm |
2021-03-31 2030-03-31 |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
34,249 | $0 | 239,105 (Direct) |
View |
2024-05-01 Exercise |
2024-05-02 9:27 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
17,999 | $4.68 | 607,083 (Direct) |
View |
2024-05-01 Exercise |
2024-05-02 9:27 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
87,000 | $4.88 | 607,083 (Direct) |
View |
2024-05-01 Exercise |
2024-05-02 9:27 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
35,426 | $7.77 | 607,083 (Direct) |
View |
2024-05-01 Exercise |
2024-05-02 9:27 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
51,000 | $8.52 | 607,083 (Direct) |
View |
2024-05-01 Exercise |
2024-05-02 9:27 pm |
2021-03-31 2030-03-31 |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
281,425 | $0 | 607,083 (Direct) |
View |
2024-05-01 Exercise |
2024-05-02 9:27 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
90,000 | $5.8 | 607,083 (Direct) |
View |
2024-03-27 Option Award |
2024-03-27 8:52 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
31,667 | $0 | 363,565 (Direct) |
View |
2024-03-27 Tax Withholding |
2024-03-27 8:52 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
16,610 | $83.34 | 363,565 (Direct) |
View |
2024-03-27 Option Award |
2024-03-27 8:51 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
221,667 | $0 | 2,266,453 (Direct) |
View |
2024-03-27 Tax Withholding |
2024-03-27 8:51 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
153,948 | $83.34 | 2,266,453 (Direct) |
View |
2024-03-27 Option Award |
2024-03-27 8:50 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
31,667 | $0 | 207,361 (Direct) |
View |
2024-03-27 Tax Withholding |
2024-03-27 8:50 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
16,610 | $83.34 | 207,361 (Direct) |
View |
2024-03-01 Tax Withholding |
2024-03-04 7:54 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
162,815 | $85.22 | 2,198,734 (Direct) |
View |
2024-03-01 Option Award |
2024-03-04 7:54 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
221,667 | $0 | 2,198,734 (Direct) |
View |
2024-03-01 Tax Withholding |
2024-03-04 7:52 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
16,958 | $85.22 | 348,508 (Direct) |
View |
2024-03-01 Option Award |
2024-03-04 7:52 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Mancini Marianna Chief Operating Officer |
31,667 | $0 | 348,508 (Direct) |
View |
2024-03-01 Tax Withholding |
2024-03-04 7:50 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
20,093 | $85.22 | 192,304 (Direct) |
View |
2024-03-01 Option Award |
2024-03-04 7:50 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | ZANTE GREG Chief Financial Officer |
31,667 | $0 | 192,304 (Direct) |
View |
2024-02-08 Exercise |
2024-02-08 7:40 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
49,079 | $1.23 | 2,184,882 (Direct) |
View |
2024-02-08 Exercise |
2024-02-08 7:40 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
140,000 | $4.65 | 2,184,882 (Direct) |
View |
2024-02-08 Exercise |
2024-02-08 7:40 pm |
2018-01-05 2027-01-05 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
189,079 | $0 | 2,184,882 (Direct) |
View |
2024-02-08 Exercise |
2024-02-08 7:38 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
25,000 | $8.32 | 0 (Direct) |
View |
2024-02-08 Exercise |
2024-02-08 7:38 pm |
2020-07-01 2029-07-01 |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
25,000 | $0 | 0 (Direct) |
View |
2024-01-31 Exercise |
2024-01-31 8:39 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
85,000 | $1.23 | 2,279,030 (Direct) |
View |
2024-01-31 Exercise |
2024-01-31 8:39 pm |
2018-01-05 2027-01-05 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
85,000 | $0 | 2,279,030 (Direct) |
View |
2024-01-30 Exercise |
2024-01-30 9:05 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
35,000 | $1.23 | 2,364,030 (Direct) |
View |
2024-01-30 Exercise |
2024-01-30 9:05 pm |
2018-01-05 2027-01-05 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
35,000 | $0 | 2,364,030 (Direct) |
View |
2024-01-19 Exercise |
2024-01-19 8:35 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
30,000 | $8.32 | 25,000 (Direct) |
View |
2024-01-19 Exercise |
2024-01-19 8:35 pm |
2020-07-01 2029-07-01 |
Viking Therapeutics Inc. | VKTX | Rouan Sarah Kathryn Director |
30,000 | $0 | 25,000 (Direct) |
View |
2024-01-03 Option Award |
2024-01-04 9:37 pm |
2025-01-03 2034-01-03 |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
670,000 | $0 | 2,624,882 (Direct) |
View |
2024-01-04 Tax Withholding |
2024-01-04 9:37 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
39,552 | $18.58 | 2,624,882 (Direct) |
View |
2024-01-03 Tax Withholding |
2024-01-04 9:37 pm |
N/A N/A |
Viking Therapeutics Inc. | VKTX | Lian Brian President & CEO |
214,640 | $17.4 | 2,624,882 (Direct) |
View |