VKTX insider buying and SEC filings, explained
Viking Therapeutics, Inc. · CIK 1607678
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$150K
Insiders who bought
1
Sold (not marked 10b5-1)
$17.8M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 29, 2026 | Sale | Brian Lian (CEO and Director) sold 148,517 shares at about $33.32 ($4.9M). Holdings down 5% to 2,572,441 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 29, 2026 |
| Jul 29, 2026 | Sale | Greg Zante (CFO) sold 21,217 shares at about $33.47 ($710K). Holdings down 9% to 212,204 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 29, 2026 |
| Jul 29, 2026 | Sale | Marianna Mancini (President / COO) sold 18,217 shares at about $33.47 ($610K). Holdings down 4% to 422,760 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 29, 2026 |
| Mar 10, 2026 | Purchase (code P) | Neil William Aubuchon (Chief Commercial Officer) bought 4,475 shares at $33.50 ($150K), reported as a purchase (code P). New position of 4,475 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Jan 5, 2026 | Sale | Greg Zante (CFO) sold 57,661 shares at about $32.90 ($1.9M). Holdings down 23% to 189,891 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Jan 5, 2026 | Sale | Marianna Mancini (President / COO) sold 57,661 shares at about $32.97 ($1.9M). Holdings down 12% to 409,190 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Jan 5, 2026 | Sale | Brian Lian (CEO and Director) sold 233,409 shares at about $32.96 ($7.7M). Holdings down 9% to 2,499,291 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
15 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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