9 insiders reported 45 Form 4 transactions for Viking Therapeutics, Inc. (VKTX) over the past 18 months (most recent 2026-03-10). Recent activity: Aubuchon Neil William (Chief Commercial Officer) Buy 4,475 shares, Lian Brian (President & CEO) Sell 132,454 shares, ZANTE GREG (Chief Financial Officer) Buy 32,049 shares, ZANTE GREG (Chief Financial Officer) Sell 31,961 shares, ZANTE GREG (Chief Financial Officer) Sell 13,900 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-10 | Aubuchon Neil William | Chief Commercial Officer | Buy | 4,475 | $149,912 |
| 2026-01-05 | Lian Brian | President & CEO | Sell | 132,454 | $4.3M |
| 2026-01-05 | ZANTE GREG | Chief Financial Officer | Buy | 32,049 | $0 |
| 2026-01-05 | ZANTE GREG | Chief Financial Officer | Sell | 31,961 | $1.0M |
| 2026-01-05 | ZANTE GREG | Chief Financial Officer | Sell | 13,900 | $463,982 |
| 2026-01-05 | ZANTE GREG | Chief Financial Officer | Sell | 10,300 | $352,672 |
| 2026-01-05 | ZANTE GREG | Chief Financial Officer | Sell | 1,500 | $48,135 |
| 2026-01-05 | MACARTNEY LAWSON | Director | Buy | 3,150 | $0 |
| 2026-01-05 | SINGLETON J MATTHEW | Director | Buy | 3,150 | $0 |
| 2026-01-05 | Rouan Sarah Kathryn | Director | Buy | 3,150 | $0 |
| 2026-01-05 | Lian Brian | President & CEO | Buy | 78,400 | $0 |
| 2026-01-05 | Lian Brian | President & CEO | Buy | 224,080 | $0 |
| 2026-01-05 | ZANTE GREG | Chief Financial Officer | Buy | 41,000 | $0 |
| 2026-01-05 | Lian Brian | President & CEO | Sell | 53,279 | $1.8M |
| 2026-01-05 | Lian Brian | President & CEO | Sell | 41,276 | $1.4M |
| 2026-01-05 | Lian Brian | President & CEO | Sell | 6,400 | $224,448 |
| 2026-01-05 | Rowland Charles A Jr | Director | Buy | 3,150 | $0 |
| 2026-01-05 | FOEHR MATTHEW W | Director | Buy | 16,000 | $53,280 |
| 2026-01-05 | FOEHR MATTHEW W | Director | Sell | 16,000 | $561,760 |
| 2026-01-05 | FOEHR MATTHEW W | Director | Buy | 3,150 | $0 |
| 2026-01-05 | Mancini Marianna | Chief Operating Officer | Buy | 41,000 | $0 |
| 2026-01-05 | Mancini Marianna | Chief Operating Officer | Buy | 32,049 | $0 |
| 2026-01-05 | Mancini Marianna | Chief Operating Officer | Sell | 31,961 | $1.0M |
| 2026-01-05 | Mancini Marianna | Chief Operating Officer | Sell | 13,600 | $453,832 |
| 2026-01-05 | Mancini Marianna | Chief Operating Officer | Sell | 10,500 | $359,310 |
Source: SEC Form 4 filings · as of 2026-03-10