There have been 50 recent insider transactions recorded for Viking Therapeutics, Inc. (VKTX), including 24 buys and 25 sells. Total insider buying was valued at $30.45M and total insider selling at $8.47M.
Notable insiders with recent activity include Aubuchon Neil William, Zante Greg, Lian Brian. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — VKTX
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-10 |
Aubuchon Neil William |
Chief Commercial Officer |
Informative Buy |
4,475 |
$33.50 |
$149.91K |
4,475 |
| 2026-01-12 |
Aubuchon Neil William |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-01-12 |
Aubuchon Neil William |
Chief Commercial Officer |
RSU Award |
180,000 |
$31.76 |
$5.72M |
180,000 |
| 2026-01-05 |
Zante Greg |
Chief Financial Officer |
Informative Sell |
1,500 |
$32.09 |
$48.13K |
189,891 |
| 2026-01-05 |
Lian Brian |
President & CEO |
Informative Sell |
6,400 |
$35.07 |
$224.42K |
2,499,291 |
| 2026-01-05 |
Mancini Marianna |
Chief Operating Officer |
Informative Sell |
1,600 |
$35.07 |
$56.12K |
409,190 |
| 2026-01-02 |
Foehr Matthew W |
Director |
Option Exercise (Sell) |
16,000 |
$3.33 |
$53.28K |
- |
| 2026-01-02 |
Singleton J Matthew |
Director |
RSU Award |
3,150 |
- |
- |
12,650 |
| 2026-01-02 |
Zante Greg |
Chief Financial Officer |
RSU Award |
91,000 |
$35.42 |
$3.22M |
91,000 |
| 2026-01-02 |
Rowland Charles A Jr |
Director |
RSU Award |
20,400 |
$35.42 |
$722.57K |
20,400 |
| 2026-01-02 |
Macartney Lawson |
Director |
RSU Award |
20,400 |
$35.42 |
$722.57K |
20,400 |
| 2026-01-02 |
Lian Brian |
President & CEO |
RSU Award |
176,300 |
$35.42 |
$6.24M |
176,300 |
| 2026-01-02 |
Rouan Sarah Kathryn |
Director |
RSU Award |
3,150 |
- |
- |
4,390 |
| 2026-01-02 |
Mancini Marianna |
Chief Operating Officer |
RSU Award |
91,000 |
$35.42 |
$3.22M |
91,000 |
| 2025-10-28 |
Zante Greg |
Chief Financial Officer |
Informative Sell |
6,185 |
$35.00 |
$216.48K |
173,592 |
| 2025-10-28 |
Lian Brian |
President & CEO |
Informative Sell |
38,989 |
$35.01 |
$1.36M |
2,419,109 |
| 2025-10-28 |
Mancini Marianna |
Chief Operating Officer |
Informative Sell |
6,185 |
$35.00 |
$216.49K |
382,467 |
| 2025-10-27 |
Zante Greg |
Chief Financial Officer |
RSU Award |
11,117 |
- |
- |
179,777 |
| 2025-10-27 |
Rowland Charles A Jr |
Director |
Option Exercise (Sell) |
22,000 |
$5.80 |
$127.6K |
- |
| 2025-10-27 |
Lian Brian |
President & CEO |
RSU Award |
70,084 |
- |
- |
2,458,098 |
| 2025-10-27 |
Mancini Marianna |
Chief Operating Officer |
RSU Award |
11,117 |
- |
- |
388,652 |
| 2025-07-03 |
Zante Greg |
Chief Financial Officer |
Informative Sell |
4,266 |
$27.76 |
$118.43K |
168,660 |
| 2025-07-03 |
Lian Brian |
President & CEO |
Informative Sell |
26,889 |
$27.80 |
$747.63K |
2,388,014 |
| 2025-07-03 |
Mancini Marianna |
Chief Operating Officer |
Informative Sell |
4,266 |
$27.77 |
$118.47K |
377,535 |
| 2025-07-02 |
Zante Greg |
Chief Financial Officer |
RSU Award |
7,667 |
- |
- |
172,926 |
| 2025-07-02 |
Lian Brian |
President & CEO |
RSU Award |
48,333 |
- |
- |
2,414,903 |
| 2025-07-02 |
Mancini Marianna |
Chief Operating Officer |
RSU Award |
7,667 |
- |
- |
381,801 |
| 2025-04-11 |
Foehr Matthew W |
Director |
Option Exercise (Sell) |
20,786 |
$8.00 |
$166.29K |
- |
| 2025-03-31 |
Rouan Sarah Kathryn |
Director |
Informative Buy |
1,240 |
$24.15 |
$29.94K |
1,240 |
| 2025-01-06 |
Zante Greg |
Chief Financial Officer |
Informative Sell |
4,700 |
$43.32 |
$203.6K |
165,259 |
| 2025-01-06 |
Lian Brian |
President & CEO |
Informative Sell |
19,000 |
$43.32 |
$823.02K |
2,366,570 |
| 2025-01-06 |
Mancini Marianna |
Chief Operating Officer |
Informative Sell |
5,100 |
$43.32 |
$220.91K |
374,134 |
| 2025-01-03 |
Zante Greg |
Chief Financial Officer |
RSU Award |
37,200 |
$42.89 |
$1.6M |
37,200 |
| 2025-01-03 |
Lian Brian |
President & CEO |
RSU Award |
78,300 |
$42.89 |
$3.36M |
78,300 |
| 2025-01-03 |
Mancini Marianna |
Chief Operating Officer |
RSU Award |
37,200 |
$42.89 |
$1.6M |
37,200 |
| 2025-01-02 |
Foehr Matthew W |
Director |
RSU Award |
18,800 |
$41.12 |
$773.06K |
18,800 |
| 2025-01-02 |
Singleton J Matthew |
Director |
RSU Award |
18,800 |
$41.12 |
$773.06K |
18,800 |
| 2025-01-02 |
Rowland Charles A Jr |
Director |
RSU Award |
18,800 |
$41.12 |
$773.06K |
18,800 |
| 2025-01-02 |
Macartney Lawson |
Director |
RSU Award |
18,800 |
$41.12 |
$773.06K |
18,800 |
| 2025-01-02 |
Rouan Sarah Kathryn |
Director |
RSU Award |
18,800 |
$41.12 |
$773.06K |
18,800 |
| 2024-11-08 |
Macartney Lawson |
Director |
Option Exercise (Sell) |
2,000 |
$5.80 |
$11.6K |
20,000 |
| 2024-10-28 |
Zante Greg |
Chief Financial Officer |
Option Exercise (Sell) |
26,000 |
$5.80 |
$150.8K |
- |
| 2024-10-25 |
Singleton J Matthew |
Director |
Option Exercise (Sell) |
16,000 |
$4.48 |
$71.68K |
- |
| 2024-10-25 |
Rouan Sarah Kathryn |
Director |
Informative Sell |
11,000 |
$80.89 |
$889.79K |
- |
| 2024-09-20 |
Singleton J Matthew |
Director |
Option Exercise (Sell) |
10,300 |
$1.19 |
$12.26K |
- |
| 2024-09-20 |
Lian Brian |
President & CEO |
Option Exercise (Sell) |
166,130 |
$7.77 |
$1.29M |
65,000 |
| 2024-08-21 |
Singleton J Matthew |
Director |
Informative Sell |
5,700 |
$69.72 |
$397.43K |
9,500 |
| 2024-08-21 |
Lian Brian |
President & CEO |
Option Exercise (Sell) |
1,000 |
$7.77 |
$7.77K |
231,130 |
| 2024-08-19 |
Singleton J Matthew |
Director |
Option Exercise (Sell) |
16,000 |
$3.33 |
$53.28K |
- |
| 2024-08-19 |
Lian Brian |
President & CEO |
Option Exercise (Sell) |
112,870 |
$7.77 |
$877K |
232,130 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
