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Viking Therapeutics, Inc.

VKTX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001607678

In the last 90 days, Viking Therapeutics, Inc. insiders filed 0 open-market purchases and 3 sales; 437 institutions reported holding it in 13F filings for Q2 2026, worth $2.96B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Viking Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
3 insiders, $6.27M in total
Insiders trading
3
Net value
−$6.27M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Viking Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Viking Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Kelly-Gemmell Dorothy ElizabethDirector6,333Aug 7, 20261
Lian BrianPresident & CEO2,572,441Jul 29, 20263
Zante GregChief Financial Officer212,204Jul 29, 20263
Mancini MariannaChief Operating Officer422,760Jul 29, 20263
Chen Hubert CChief Medical Officer–Jun 3, 20261
Aubuchon Neil WilliamChief Commercial Officer4,475Mar 10, 20262
Foehr Matthew WDirector135,186Jan 5, 20261
Singleton J MatthewDirector12,650Jan 5, 20261
Rowland Charles A JrDirector33,150Jan 5, 20262
Macartney LawsonDirector51,115Jan 5, 20261
Rouan Sarah KathrynDirector4,390Jan 5, 20261

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 29, 2026 (view filing)8:07 PM ETJul 29Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−148.5K$33.32−$4.95M−5.5%2.57M after
Jul 29, 2026 (view filing)8:06 PM ETJul 29Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−21.2K$33.47−$710.1K−9.1%212.2K after
Jul 29, 2026 (view filing)8:06 PM ETJul 29Same dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−18.2K$33.47−$609.6K−4.1%422.8K after
Mar 10, 2026 (view filing)Mar 10Same dayAubuchon Neil WilliamChief Commercial OfficerPPurchaseCommon Stock, par value $0.00001 per share+4.47K$33.50+$149.9KNew position4.47K after
Jan 5, 2026 (view filing)Jan 5Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−57.7K$32.90−$1.90M−23.3%189.9K after4 lots
Jan 5, 2026 (view filing)Jan 5Same dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−57.7K$32.97−$1.90M−12.4%409.2K after4 lots
Jan 5, 2026 (view filing)Jan 5Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−233.4K$32.96−$7.69M−8.5%2.50M after4 lots
Jan 5, 2026 (view filing)Jan 23 daysFoehr Matthew WDirectorSSaleCommon Stock, par value $0.00001 per share−16.0K$35.11−$561.8K−10.8%132.0K after
Oct 28, 2025 (view filing)Oct 28Same dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−6.18K$35.00−$216.5K−1.6%382.5K after
Oct 28, 2025 (view filing)Oct 271 dayRowland Charles A JrDirectorSSaleCommon Stock, par value $0.00001 per share−60.0K$35.57−$2.13M−66.7%30.0K after
Oct 28, 2025 (view filing)Oct 28Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−39.0K$35.01−$1.37M−1.6%2.42M after
Oct 28, 2025 (view filing)Oct 28Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−6.18K$35.00−$216.5K−3.4%173.6K after
Jul 3, 2025 (view filing)Jul 3Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−26.9K$27.80−$747.5K−1.1%2.39M after
Jul 3, 2025 (view filing)Jul 3Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−4.27K$27.76−$118.4K−2.5%168.7K after
Jul 3, 2025 (view filing)Jul 3Same dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−4.27K$27.77−$118.5K−1.1%377.5K after
Apr 8, 2025 (view filing)Mar 318 daysRouan Sarah KathrynDirectorPPurchaseCommon Stock, par value $0.00001 per share+1.24K$24.15+$29.9KNew position1.24K afterAmended
Jan 6, 2025 (view filing)Jan 6Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−194.5K$42.74−$8.31M−7.6%2.37M after2 lots
Jan 6, 2025 (view filing)Jan 6Same dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−54.2K$42.75−$2.32M−12.7%374.1K after2 lots
Jan 6, 2025 (view filing)Jan 6Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−50.3K$42.75−$2.15M−23.3%165.3K after2 lots
Nov 8, 2024 (view filing)Nov 8Same dayMacartney LawsonDirectorSSaleCommon Stock, par value $0.00001 per share−2.00K$68.67−$137.3K−4.0%48.0K after
Oct 28, 2024 (view filing)Oct 28Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−131.7K$76.62−$10.1M−46.9%149.4K after8 lots10b5-1
Oct 25, 2024 (view filing)Oct 25Same dayRouan Sarah KathrynDirectorSSaleCommon Stock, par value $0.00001 per share−11.0K$80.89−$889.8K−100.0%0 after10b5-1
Oct 25, 2024 (view filing)Oct 25Same daySingleton J MatthewDirectorSSaleCommon Stock, par value $0.00001 per share−16.0K$79.50−$1.27M−62.7%9.50K after10b5-1
Sep 20, 2024 (view filing)Sep 20Same daySingleton J MatthewDirectorSSaleCommon Stock, par value $0.00001 per share−10.3K$69.50−$715.9K−52.0%9.50K after10b5-1
Sep 20, 2024 (view filing)Sep 20Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−216.1K$70.83−$15.3M−8.6%2.30M after3 lots10b5-1
Aug 22, 2024 (view filing)Aug 211 dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−1.00K$69.90−$69.9K0.0%2.35M after10b5-1
Aug 22, 2024 (view filing)Aug 211 daySingleton J MatthewDirectorSSaleCommon Stock, par value $0.00001 per share−5.70K$69.72−$397.4K−37.5%9.50K after10b5-1
Aug 19, 2024 (view filing)Aug 19Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−112.9K$65.80−$7.43M−4.6%2.35M after3 lots10b5-1
Aug 19, 2024 (view filing)Aug 19Same daySingleton J MatthewDirectorSSaleCommon Stock, par value $0.00001 per share−16.0K$62.22−$995.4K−62.7%9.50K after6 lots10b5-1
Aug 14, 2024 (view filing)Aug 14Same daySingleton J MatthewDirectorSSaleCommon Stock, par value $0.00001 per share−20.8K$57.53−$1.20M−68.6%9.50K after2 lots10b5-1
Jul 31, 2024 (view filing)Jul 301 dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−115.9K$57.58−$6.67M−4.7%2.35M after3 lots
Jul 31, 2024 (view filing)Jul 301 dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−16.1K$57.15−$922.2K−7.9%187.1K after3 lots
Jul 31, 2024 (view filing)Jul 301 dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−18.0K$57.13−$1.03M−4.7%362.1K after2 lots
May 3, 2024 (view filing)May 3Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−66.8K$74.69−$4.99M−27.6%174.9K after4 lots10b5-1
May 2, 2024 (view filing)May 11 dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−281.4K$78.66−$22.1M−44.7%348.5K after5 lots10b5-1
Feb 9, 2024 (view filing)Feb 9Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−45.0K$29.90−$1.35M−2.1%2.14M after10b5-1
Feb 8, 2024 (view filing)Feb 8Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−269.1K$26.87−$7.23M−11.0%2.18M after5 lots10b5-1
Feb 8, 2024 (view filing)Feb 8Same dayRouan Sarah KathrynDirectorSSaleCommon Stock, par value $0.00001 per share−25.0K$28.05−$701.3K−100.0%0 after10b5-1
Jan 31, 2024 (view filing)Jan 31Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−85.0K$24.71−$2.10M−3.6%2.26M after2 lots10b5-1
Jan 30, 2024 (view filing)Jan 30Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−35.0K$23.95−$838.3K−1.5%2.26M after10b5-1
Jan 19, 2024 (view filing)Jan 19Same dayRouan Sarah KathrynDirectorSSaleCommon Stock, par value $0.00001 per share−30.0K$23.05−$691.5K−100.0%0 after10b5-1
Jan 4, 2024 (view filing)Jan 4Same dayZante GregChief Financial OfficerSSaleCommon Stock, par value $0.00001 per share−15.0K$17.90−$268.5K−7.7%180.7K after
May 18, 2023 (view filing)May 162 daysRowland Charles A JrDirectorSSaleCommon Stock, par value $0.00001 per share−40.0K$25.00−$1.00M−57.1%30.0K after
May 18, 2023 (view filing)May 162 daysMacartney LawsonDirectorSSaleCommon Stock, par value $0.00001 per share−16.0K$24.00−$384.0K−25.0%48.0K after
May 1, 2023 (view filing)May 1Same dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−45.0K$22.45−$1.01M−2.0%2.20M after
Apr 24, 2023 (view filing)Apr 24Same dayMacartney LawsonDirectorSSaleCommon Stock, par value $0.00001 per share−16.0K$22.00−$352.0K−25.0%48.0K after
Apr 21, 2023 (view filing)Apr 192 daysLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−35.0K$21.45−$750.8K−1.5%2.24M after
Apr 18, 2023 (view filing)Apr 171 dayMacartney LawsonDirectorSSaleCommon Stock, par value $0.00001 per share−20.8K$20.00−$415.7K−30.2%48.0K after
Apr 18, 2023 (view filing)Apr 171 dayLian BrianPresident & CEOSSaleCommon Stock, par value $0.00001 per share−155.0K$20.45−$3.17M−6.4%2.28M after
Apr 18, 2023 (view filing)Apr 171 dayMancini MariannaChief Operating OfficerSSaleCommon Stock, par value $0.00001 per share−12.5K$20.00−$250.0K−4.2%287.8K after