Data spanning the past 90 days through January 10, 2026 reveals that Viking Therapeutics's three principal insider shareholders consist of President & Ceo Brian Lian (2.50Mn shares), Chief Operating Officer Marianna Mancini (409.19K shares), Chief Financial Officer Greg Zante (189.89K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Brian Lian | President & Ceo | 2,499,291 | 05 Jan, 2026 |
| Marianna Mancini | Chief Operating Officer | 409,190 | 05 Jan, 2026 |
| Greg Zante | Chief Financial Officer | 189,891 | 05 Jan, 2026 |
| Matthew W Foehr | 135,186 | 05 Jan, 2026 | |
| Lawson Macartney | 51,115 | 05 Jan, 2026 | |
| Charles A Jr Rowland | 33,150 | 05 Jan, 2026 | |
| J Matthew Singleton | 12,650 | 05 Jan, 2026 | |
| Sarah Kathryn Rouan | 4,390 | 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 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 | Greg Zante | Common Stock, par value $0.00001 per share | D | 10,300 | $34.24 | 191,371 | 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 | 1,500 | $32.09 | 189,891 | 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 | Brian Lian | Common Stock, par value $0.00001 per share | D | 53,279 | $33.38 | 2,546,967 | D | S |
| 05 Jan, 2026 | Brian Lian | Common Stock, par value $0.00001 per share | D | 6,400 | $35.07 | 2,499,291 | D | S |
| 05 Jan, 2026 | Brian Lian | Common Stock, par value $0.00001 per share | D | 41,276 | $34.22 | 2,505,691 | D | S |
| 05 Jan, 2026 | Marianna Mancini | Common Stock, par value $0.00001 per share | D | 10,500 | $34.22 | 410,790 | 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 | 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 | 1,600 | $35.07 | 409,190 | D | S |
| 02 Jan, 2026 | Matthew W Foehr | Common Stock, par value $0.00001 per share | A | 16,000 | $3.33 | 148,036 | D | M |
| 02 Jan, 2026 | Matthew W Foehr | Common Stock, par value $0.00001 per share | A | 3,150 | $0.00 | 135,186 | D | A |
| 02 Jan, 2026 | Matthew W Foehr | Common Stock, par value $0.00001 per share | D | 16,000 | $35.11 | 132,036 | D | S |
| 02 Jan, 2026 | J Matthew Singleton | Common Stock, par value $0.00001 per share | A | 3,150 | $0.00 | 12,650 | 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 | Greg Zante | Common Stock, par value $0.00001 per share | A | 41,000 | $0.00 | 215,483 | D | A |
| 02 Jan, 2026 | Charles A Jr Rowland | Common Stock, par value $0.00001 per share | A | 3,150 | $0.00 | 33,150 | D | A |
| 02 Jan, 2026 | Lawson Macartney | Common Stock, par value $0.00001 per share | A | 3,150 | $0.00 | 51,115 | D | A |