Lian Brian, President and CEO of Viking Therapeutics, Inc. ($VKTX), sold shares on the open market six times over the past year, totaling nearly $9.8 million. His most recent sale occurred on January 5, 2026. These $VKTX insider sales rank 1,143rd among over 11,600 individual insiders in our database, where the average is about $8.6 million across roughly 6.4 transactions per seller. Lian Brian made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 5, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 132454 | $32.29 | 2,600,246.0000 | 113,036,344 | 4.85% | 0.12% |
| Jan. 2, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 224080 | $0.00 | 2,732,700.0000 | 113,036,344 | 8.93% | 0.20% |
| Jan. 2, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 78400 | $0.00 | 2,508,620.0000 | 113,036,344 | 3.23% | 0.07% |
| Jan. 2, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Stock Option (Right to Buy) | 176300 | $0.00 | 176,300.0000 | 113,036,344 | 9999.99% | 0.16% |
| Jan. 5, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 6400 | $35.07 | 2,499,291.0000 | 113,036,344 | 0.26% | 0.01% |
| Jan. 5, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 41276 | $34.22 | 2,505,691.0000 | 113,036,344 | 1.62% | 0.04% |
| Jan. 5, 2026 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 53279 | $33.38 | 2,546,967.0000 | 113,036,344 | 2.05% | 0.05% |
| Oct. 28, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 38989 | $35.01 | 2,419,109.0000 | 113,036,344 | 1.59% | 0.03% |
| Oct. 27, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 70084 | $0.00 | 2,458,098.0000 | 113,036,344 | 2.93% | 0.06% |
| July 3, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 26889 | $27.80 | 2,388,014.0000 | 112,247,809 | 1.11% | 0.02% |
| July 2, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 48333 | $0.00 | 2,414,903.0000 | 112,247,809 | 2.04% | 0.04% |
| Jan. 6, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 19000 | $43.32 | 2,366,570.0000 | 0 | 0.80% | 0.00% |
| Jan. 3, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Stock Option (Right to Buy) | 78300 | $0.00 | 78,300.0000 | 0 | 9999.99% | 0.00% |
| Jan. 3, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 92800 | $0.00 | 2,397,727.0000 | 0 | 4.03% | 0.00% |
| Jan. 3, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 163333 | $0.00 | 2,561,060.0000 | 0 | 6.81% | 0.00% |
| Jan. 6, 2025 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 175490 | $42.68 | 2,385,570.0000 | 0 | 6.85% | 0.00% |
| Sept. 20, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 166130 | $7.77 | 2,521,057.0000 | 0 | 7.05% | 0.00% |
| Sept. 20, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 96056 | $70.43 | 2,425,001.0000 | 0 | 3.81% | 0.00% |
| Sept. 20, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 119874 | $71.15 | 2,305,127.0000 | 0 | 4.94% | 0.00% |
| Sept. 20, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 200 | $71.99 | 2,304,927.0000 | 0 | 0.01% | 0.00% |
| Sept. 20, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (Right to Buy) | 166130 | $0.00 | 65,000.0000 | 0 | 71.88% | 0.00% |
| Aug. 21, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 1000 | $7.77 | 2,355,927.0000 | 0 | 0.04% | 0.00% |
| Aug. 21, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (Right to Buy) | 1000 | $0.00 | 231,130.0000 | 0 | 0.43% | 0.00% |
| Aug. 21, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 1000 | $69.90 | 2,354,927.0000 | 0 | 0.04% | 0.00% |
| Aug. 19, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 11296 | $67.12 | 2,354,927.0000 | 0 | 0.48% | 0.00% |
| Aug. 19, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 112870 | $7.77 | 2,467,797.0000 | 0 | 4.79% | 0.00% |
| Aug. 19, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 70132 | $65.33 | 2,397,665.0000 | 0 | 2.84% | 0.00% |
| Aug. 19, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 31442 | $66.37 | 2,366,223.0000 | 0 | 1.31% | 0.00% |
| Aug. 19, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (Right to Buy) | 112870 | $0.00 | 232,130.0000 | 0 | 32.72% | 0.00% |
| July 29, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 41000 | $0.00 | 2,307,453.0000 | 0 | 1.81% | 0.00% |
| July 30, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 65941 | $56.95 | 2,404,845.0000 | 0 | 2.67% | 0.00% |
| July 29, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 163333 | $0.00 | 2,470,786.0000 | 0 | 7.08% | 0.00% |
| July 30, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 30417 | $58.78 | 2,354,927.0000 | 0 | 1.28% | 0.00% |
| July 30, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 19501 | $57.81 | 2,385,344.0000 | 0 | 0.81% | 0.00% |
| March 27, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | F | Common Stock, par value $0.00001 per share | 153948 | $83.34 | 2,266,453.0000 | 0 | 6.36% | 0.00% |
| March 27, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 221667 | $0.00 | 2,420,401.0000 | 0 | 10.08% | 0.00% |
| March 1, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 221667 | $0.00 | 2,361,549.0000 | 0 | 10.36% | 0.00% |
| March 1, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | F | Common Stock, par value $0.00001 per share | 162815 | $85.22 | 2,198,734.0000 | 0 | 6.89% | 0.00% |
| Feb. 9, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 45000 | $29.90 | 2,139,882.0000 | 0 | 2.06% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (right to buy) | 140000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 40000 | $28.90 | 2,184,882.0000 | 0 | 1.80% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (right to buy) | 14148 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (right to buy) | 34931 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 40000 | $27.45 | 2,224,882.0000 | 0 | 1.77% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 80000 | $26.95 | 2,264,882.0000 | 0 | 3.41% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 60000 | $25.95 | 2,344,882.0000 | 0 | 2.49% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 140000 | $4.65 | 2,404,882.0000 | 0 | 6.18% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 49079 | $25.75 | 2,264,882.0000 | 0 | 2.12% | 0.00% |
| Feb. 8, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 49079 | $1.23 | 2,313,961.0000 | 0 | 2.17% | 0.00% |
| Jan. 31, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 45000 | $24.95 | 2,264,882.0000 | 0 | 1.95% | 0.00% |
| Jan. 31, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 40000 | $24.45 | 2,309,882.0000 | 0 | 1.70% | 0.00% |
| Jan. 31, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 85000 | $1.23 | 2,349,882.0000 | 0 | 3.75% | 0.00% |
| Jan. 31, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (right to buy) | 85000 | $0.00 | 14,148.0000 | 0 | 85.73% | 0.00% |
| Jan. 30, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Stock Option (right to buy) | 35000 | $0.00 | 99,148.0000 | 0 | 26.09% | 0.00% |
| Jan. 30, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | M | Common Stock, par value $0.00001 per share | 35000 | $1.23 | 2,299,882.0000 | 0 | 1.55% | 0.00% |
| Jan. 30, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | S | Common Stock, par value $0.00001 per share | 35000 | $23.95 | 2,264,882.0000 | 0 | 1.52% | 0.00% |
| Jan. 3, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | F | Common Stock, par value $0.00001 per share | 108525 | $17.40 | 2,250,549.0000 | 0 | 4.60% | 0.00% |
| Jan. 3, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | F | Common Stock, par value $0.00001 per share | 106115 | $17.40 | 2,304,434.0000 | 0 | 4.40% | 0.00% |
| Jan. 4, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | F | Common Stock, par value $0.00001 per share | 39552 | $18.58 | 2,264,882.0000 | 0 | 1.72% | 0.00% |
| Jan. 3, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Stock Option (Right to Buy) | 360000 | $0.00 | 360,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 3, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 150000 | $0.00 | 2,359,074.0000 | 0 | 6.79% | 0.00% |
| Jan. 3, 2024 | Viking Therapeutics, Inc. | $VKTX | Lian Brian | President & CEO | A | Common Stock, par value $0.00001 per share | 160000 | $0.00 | 2,410,549.0000 | 0 | 7.11% | 0.00% |