VKTX Viking Therapeutics, Inc.

NASDAQ
$31.53

Viking Therapeutics, Inc. (VKTX) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with VKTX's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
5
20 transactions
Purchases
$149.9K
4,475 shares
Sales
$22.3M
664,041 shares
Net activity
-$22.1M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $22.3M 20 transactions · 664,041 shares

Largest single sale: $4.9M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: March 10, 2026 , by Aubuchon Neil William .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Lian Brian President & CEO Sell 148,517 $33.32 $4.9M 2,572,441 −5.5% of holding
ZANTE GREG Chief Financial Officer Sell 21,217 $33.47 $710.1K 212,204 −9.1% of holding
Mancini Marianna Chief Operating Officer Sell 18,217 $33.47 $609.6K 422,760 −4.1% of holding
Aubuchon Neil William Chief Commercial Officer Buy 4,475 $33.50 $149.9K 4,475
Lian Brian 4 fills President & CEO Sell 233,409 $32.96 $7.7M 2,600,246 −8.2% of holding
Mancini Marianna 4 fills Chief Operating Officer Sell 57,661 $32.98 $1.9M 434,890 −11.7% of holding
ZANTE GREG 4 fills Chief Financial Officer Sell 57,661 $32.90 $1.9M 215,571 −21.1% of holding
FOEHR MATTHEW W Director Sell 16,000 $35.11 $561.7K 132,036 −10.8% of holding
Lian Brian President & CEO Sell 38,989 $35.01 $1.4M 2,419,109 −1.6% of holding
Mancini Marianna Chief Operating Officer Sell 6,185 $35.00 $216.5K 382,467 −1.6% of holding
ZANTE GREG Chief Financial Officer Sell 6,185 $35.00 $216.5K 173,592 −3.4% of holding
Rowland Charles A Jr Director Sell 60,000 $35.57 $2.1M 30,000 −66.7% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.