Viking Therapeutics, Inc. (VKTX) Insider Ownership

Historic Insider Ownership Trends

VKTX's three largest insider shareholders as of March 23, 2026 are Brian Lian (President Ceo, 2.50Mn shares), Marianna Mancini (Chief Operating Officer, 409.19K shares), Greg Zante (Chief Financial Officer, 189.89K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Brian Lian President Ceo 2,499,291 0 05 Jan, 2026
Marianna Mancini Chief Operating Officer 409,190 0 05 Jan, 2026
Greg Zante Chief Financial Officer 189,891 0 05 Jan, 2026
Lawson Macartney 51,115 0 05 Jan, 2026
Neil William Aubuchon Chief Commercial Officer 4,475 0 10 Mar, 2026
Sarah Kathryn Rouan 4,390 0 05 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Mar, 2026 Neil William Aubuchon Common Stock, par value $0.00001 per share A 4,475 $33.50 4,475 D P
12 Jan, 2026 Neil William Aubuchon Stock Option (Right to Buy) A 180,000 $0.00 180,000 D A
02 Jan, 2026 Brian Lian Common Stock, par value $0.00001 per share A 78,400 $0.00 2,508,620 D A
02 Jan, 2026 Marianna Mancini Common Stock, par value $0.00001 per share A 41,000 $0.00 434,802 D A
02 Jan, 2026 Lawson Macartney Common Stock, par value $0.00001 per share A 3,150 $0.00 51,115 D A
02 Jan, 2026 Greg Zante Common Stock, par value $0.00001 per share A 41,000 $0.00 215,483 D A
02 Jan, 2026 Sarah Kathryn Rouan Common Stock, par value $0.00001 per share A 3,150 $0.00 4,390 D A
02 Jan, 2026 Sarah Kathryn Rouan Stock Option (Right to Buy) A 20,400 $0.00 20,400 D A
02 Jan, 2026 Brian Lian Common Stock, par value $0.00001 per share A 224,080 $0.00 2,732,700 D A
02 Jan, 2026 Greg Zante Common Stock, par value $0.00001 per share A 32,049 $0.00 247,532 D A
02 Jan, 2026 Marianna Mancini Common Stock, par value $0.00001 per share A 32,049 $0.00 466,851 D A
02 Jan, 2026 Lawson Macartney Stock Option (Right to Buy) A 20,400 $0.00 20,400 D A
05 Jan, 2026 Greg Zante Common Stock, par value $0.00001 per share D 31,961 $32.30 215,571 D S
05 Jan, 2026 Brian Lian Common Stock, par value $0.00001 per share D 132,454 $32.29 2,600,246 D S
05 Jan, 2026 Marianna Mancini Common Stock, par value $0.00001 per share D 31,961 $32.29 434,890 D S
05 Jan, 2026 Marianna Mancini Common Stock, par value $0.00001 per share D 13,600 $33.37 421,290 D S
05 Jan, 2026 Brian Lian Common Stock, par value $0.00001 per share D 53,279 $33.38 2,546,967 D S
05 Jan, 2026 Greg Zante Common Stock, par value $0.00001 per share D 13,900 $33.38 201,671 D S
05 Jan, 2026 Greg Zante Common Stock, par value $0.00001 per share D 10,300 $34.24 191,371 D S
05 Jan, 2026 Marianna Mancini Common Stock, par value $0.00001 per share D 10,500 $34.22 410,790 D S