Viking Therapeutics, Inc. (VKTX)

Latest Insider Confidence Score

2026Q1

61.2
Bullish

Company insider confidence (by quarter)

2015Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Lian Brian CEO 2,419,109 Oct 28, 2025
Dinerman Michael COO 697,758 May 6, 2015
Mancini Marianna COO 382,467 Oct 28, 2025
Masamune Hiroko 207,063 Jan 3, 2019
Zante Greg CFO 173,592 Oct 28, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 12, 2026 Jan 26, 2026 Aubuchon Neil William Chief Commercial Officer Neutral 52.5 - 0.00% -
Jan 26, 2026 Aubuchon Neil William Chief Commercial Officer Neutral 52.5 - 0.00% -
Jan 2, 2026 Jan 5, 2026 ZANTE GREG CFO Sell 87.5 +15,388 1.23% $1.9M
Jan 2, 2026 Jan 5, 2026 Mancini Marianna COO Sell 92.5 +15,388 3.91% $1.9M
Jan 2, 2026 Jan 5, 2026 Lian Brian CEO Sell 93.8 +69,071 2.84% $7.7M
Jan 2, 2026 Jan 5, 2026 SINGLETON J MATTHEW Director Neutral 90.0 +3,150 33.16% -
Jan 2, 2026 Jan 5, 2026 MACARTNEY LAWSON Director Neutral 85.0 +3,150 6.57% -
Jan 2, 2026 Jan 5, 2026 Rowland Charles A Jr Director Neutral 90.0 +3,150 10.50% -
Jan 2, 2026 Jan 5, 2026 FOEHR MATTHEW W Director Sell 20.0 -12,850 -8.68% $561.7K
Jan 2, 2026 Jan 5, 2026 Rouan Sarah Kathryn Director Neutral 90.0 +3,150 254.03% -
Oct 27, 2025 Oct 28, 2025 Mancini Marianna COO Sell 82.5 +4,932 1.31% $216.5K
Oct 27, 2025 Oct 28, 2025 Rowland Charles A Jr Director Sell 42.5 - 0.00% $2.1M
Oct 27, 2025 Oct 28, 2025 Lian Brian CEO Sell 87.5 +31,095 1.30% $1.4M
Oct 27, 2025 Oct 28, 2025 ZANTE GREG CFO Sell 87.5 +4,932 2.92% $216.5K
Jul 2, 2025 Jul 3, 2025 Lian Brian CEO Sell 75.0 +21,444 0.91% $747.6K
Jul 2, 2025 Jul 3, 2025 ZANTE GREG CFO Sell 82.5 +3,401 2.06% $118.4K
Jul 2, 2025 Jul 3, 2025 Mancini Marianna COO Sell 72.5 +3,401 0.91% $118.5K
Apr 11, 2025 Apr 14, 2025 FOEHR MATTHEW W Director Neutral 52.5 - 0.00% -
Mar 31, 2025 Apr 8, 2025 Rouan Sarah Kathryn Director Buy 91.3 +1,240 100.00% $29.9K
Mar 31, 2025 Apr 2, 2025 Rouan Sarah Kathryn Director Buy 91.3 +1,240 100.00% $29.9K
Jan 3, 2025 Jan 6, 2025 Lian Brian CEO Sell 93.8 +61,643 2.67% $8.3M
Jan 3, 2025 Jan 6, 2025 Mancini Marianna COO Sell 92.5 +11,985 3.31% $2.3M
Jan 3, 2025 Jan 6, 2025 ZANTE GREG CFO Sell 100.0 +15,891 10.64% $2.2M
Jan 2, 2025 Jan 6, 2025 MACARTNEY LAWSON Director Neutral 52.5 - 0.00% -
Jan 2, 2025 Jan 6, 2025 SINGLETON J MATTHEW Director Neutral 52.5 - 0.00% -
Jan 2, 2025 Jan 6, 2025 Rowland Charles A Jr Director Neutral 52.5 - 0.00% -
Jan 2, 2025 Jan 6, 2025 FOEHR MATTHEW W Director Neutral 52.5 - 0.00% -
Jan 2, 2025 Jan 6, 2025 Rouan Sarah Kathryn Director Neutral 52.5 - 0.00% -
Nov 8, 2024 Nov 8, 2024 MACARTNEY LAWSON Director Sell 22.5 -2,000 -4.00% $137.3K
Oct 28, 2024 Oct 28, 2024 ZANTE GREG CFO Sell 2.5 -131,687 -46.85% $10.1M
Oct 25, 2024 Oct 25, 2024 Rouan Sarah Kathryn Director Sell 7.5 -11,000 -100.00% $889.8K
Oct 25, 2024 Oct 25, 2024 SINGLETON J MATTHEW Director Sell 5.0 -16,000 -62.75% $1.3M
Sep 20, 2024 Sep 20, 2024 SINGLETON J MATTHEW Director Sell 7.5 -10,300 -52.02% $715.9K
Sep 20, 2024 Sep 20, 2024 Lian Brian CEO Sell 21.3 -216,130 -8.57% $15.3M
Aug 21, 2024 Aug 22, 2024 Lian Brian CEO Sell 53.8 -1,000 -0.04% $69.9K
Aug 21, 2024 Aug 22, 2024 SINGLETON J MATTHEW Director Sell 7.5 -5,700 -37.50% $397.4K
Aug 19, 2024 Aug 19, 2024 Lian Brian CEO Sell 31.3 -112,870 -4.57% $7.4M
Aug 19, 2024 Aug 19, 2024 SINGLETON J MATTHEW Director Sell 7.5 -16,000 -62.75% $995.5K
Aug 14, 2024 Aug 14, 2024 SINGLETON J MATTHEW Director Sell 5.0 -20,786 -68.63% $1.2M
Jul 29, 2024 Jul 31, 2024 ZANTE GREG CFO Sell 92.5 +12,198 6.98% $922.2K
Jul 29, 2024 Jul 31, 2024 Mancini Marianna COO Sell 92.5 +13,641 3.91% $1M
Jul 29, 2024 Jul 31, 2024 Lian Brian CEO Sell 93.8 +88,474 3.90% $6.7M
May 3, 2024 May 3, 2024 ZANTE GREG CFO Sell 5.0 -66,756 -27.63% $5M
May 1, 2024 May 2, 2024 Mancini Marianna COO Sell 2.5 -281,425 -44.68% $22.1M
Mar 27, 2024 Mar 27, 2024 Mancini Marianna COO Sell 92.5 +15,057 4.32% $1.4M
Mar 27, 2024 Mar 27, 2024 Lian Brian CEO Sell 95.0 +67,719 3.08% $12.8M
Mar 27, 2024 Mar 27, 2024 ZANTE GREG CFO Sell 95.0 +15,057 7.83% $1.4M
Mar 1, 2024 Mar 4, 2024 Lian Brian CEO Sell 95.0 +58,852 2.75% $13.9M
Mar 1, 2024 Mar 4, 2024 Mancini Marianna COO Sell 92.5 +14,709 4.41% $1.4M
Mar 1, 2024 Mar 4, 2024 ZANTE GREG CFO Sell 95.0 +11,574 6.40% $1.7M
Feb 9, 2024 Feb 9, 2024 Lian Brian CEO Sell 36.3 -45,000 -2.06% $1.3M
Feb 8, 2024 Feb 8, 2024 Lian Brian CEO Sell 35.0 -269,079 -2.33% $7.2M
Feb 8, 2024 Feb 8, 2024 Rouan Sarah Kathryn Director Sell 7.5 -25,000 -100.00% $701.3K
Jan 31, 2024 Jan 31, 2024 Lian Brian CEO Sell 32.5 -85,000 -3.62% $2.1M
Jan 30, 2024 Jan 30, 2024 Lian Brian CEO Sell 42.5 -35,000 -1.52% $838.3K
Jan 19, 2024 Jan 19, 2024 Rouan Sarah Kathryn Director Sell 7.5 -30,000 -100.00% $691.5K
Jan 3, 2024 Jan 4, 2024 Lian Brian CEO Sell 92.5 +55,808 2.53% $4.5M
Jan 3, 2024 Jan 4, 2024 Mancini Marianna COO Sell 100.0 +34,925 11.69% $1.1M
Jan 3, 2024 Jan 4, 2024 ZANTE GREG CFO Sell 100.0 +20,340 12.68% $1.4M
Jan 2, 2024 Jan 4, 2024 SINGLETON J MATTHEW Director Neutral 52.5 - 0.00% -
Jan 2, 2024 Jan 4, 2024 Rowland Charles A Jr Director Neutral 52.5 - 0.00% -
Jan 2, 2024 Jan 4, 2024 Rouan Sarah Kathryn Director Neutral 52.5 - 0.00% -
Jan 2, 2024 Jan 4, 2024 MACARTNEY LAWSON Director Neutral 52.5 - 0.00% -
Jan 2, 2024 Jan 4, 2024 FOEHR MATTHEW W Director Neutral 52.5 - 0.00% -
May 16, 2023 May 18, 2023 Rowland Charles A Jr Director Sell 5.0 -40,000 -57.14% $1M
May 16, 2023 May 18, 2023 MACARTNEY LAWSON Director Sell 7.5 -16,000 -25.01% $384K
May 1, 2023 May 1, 2023 Lian Brian CEO Sell 36.3 -45,000 -2.01% $1M
Apr 24, 2023 Apr 24, 2023 MACARTNEY LAWSON Director Sell 7.5 -16,000 -25.01% $352.1K
Apr 19, 2023 Apr 21, 2023 Lian Brian CEO Sell 42.5 -35,000 -1.54% $750.8K
Apr 17, 2023 Apr 18, 2023 MACARTNEY LAWSON Director Sell 7.5 -20,786 -30.23% $415.7K
Apr 17, 2023 Apr 18, 2023 Lian Brian CEO Sell 27.5 -155,000 -6.37% $3.2M
Apr 17, 2023 Apr 18, 2023 Mancini Marianna COO Sell 35.0 -12,500 -4.16% $250K
Apr 17, 2023 Apr 18, 2023 ZANTE GREG CFO Sell 37.5 -7,500 -4.78% $150K
Apr 13, 2023 Apr 13, 2023 Lian Brian CEO Sell 32.5 -79,336 -3.32% $1.5M
Apr 11, 2023 Apr 13, 2023 ZANTE GREG CFO Sell 10.0 -97,839 -24.68% $1.8M
Mar 30, 2023 Apr 3, 2023 Lian Brian CEO Sell 38.8 -143,352 -1.02% $7.7M
Mar 30, 2023 Apr 3, 2023 ZANTE GREG CFO Sell 15.0 -160,439 -19.81% $3.8M
Mar 30, 2023 Apr 3, 2023 Mancini Marianna COO Sell 92.5 +25,868 9.88% $541.1K
Mar 28, 2023 Mar 30, 2023 Mancini Marianna COO Sell 5.0 -237,805 -30.18% $3.6M
Jan 15, 2023 Jan 17, 2023 Mancini Marianna COO Sell 52.5 -1,079 -0.34% $9.7K
Dec 30, 2022 Jan 4, 2023 ZANTE GREG CFO Sell 97.5 +46,562 33.62% $563.4K
Dec 30, 2022 Jan 4, 2023 Mancini Marianna COO Sell 97.5 +68,546 27.44% $398.5K
Dec 30, 2022 Jan 4, 2023 Lian Brian CEO Sell 100.0 +225,336 11.00% $1.4M
Jan 3, 2023 Jan 4, 2023 SINGLETON J MATTHEW Director Neutral 52.5 - 0.00% -
Jan 3, 2023 Jan 4, 2023 Rowland Charles A Jr Director Neutral 52.5 - 0.00% -
Jan 3, 2023 Jan 4, 2023 MACARTNEY LAWSON Director Neutral 52.5 - 0.00% -
Jan 3, 2023 Jan 4, 2023 Rouan Sarah Kathryn Director Neutral 52.5 - 0.00% -
Jan 3, 2023 Jan 4, 2023 FOEHR MATTHEW W Director Neutral 52.5 - 0.00% -
May 2, 2022 May 3, 2022 FOEHR MATTHEW W Director Buy 95.0 +45,000 67.92% $111.2K
Jan 15, 2022 Feb 11, 2022 Mancini Marianna COO Sell 52.5 -827 -0.35% $3.5K
Jan 3, 2022 Jan 5, 2022 ZANTE GREG CFO Sell 95.0 +41,401 43.62% $55.9K
Jan 3, 2022 Jan 5, 2022 Mancini Marianna COO Sell 95.0 +61,569 34.60% $73.8K
Jan 3, 2022 Jan 5, 2022 Lian Brian CEO Sell 92.5 +110,582 5.74% $299.4K
Jan 3, 2022 Jan 5, 2022 SINGLETON J MATTHEW Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 5, 2022 Rowland Charles A Jr Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 5, 2022 Rouan Sarah Kathryn Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 5, 2022 MACARTNEY LAWSON Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 5, 2022 FOEHR MATTHEW W Director Neutral 52.5 - 0.00% -
Sep 28, 2021 Sep 30, 2021 Lian Brian CEO Sell 82.5 +27,750 1.46% $180.4K
Sep 28, 2021 Sep 30, 2021 Mancini Marianna COO Sell 78.8 +3,828 2.20% $18.5K