Viking Therapeutics, Inc. (VKTX) Insider Trading
Over the last 3 months, VKTX insiders made 0 open-market buys and 3 sales, a net sale of -$6.3M (SEC Form 4). Over the last 6 months, 304 institutions increased and 261 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$6.3M
Insider trades by month Buys Sells
Apr
Jul
Oct
Jan
Mar
Jul
Context3-month price +3.6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 7, 2026 | Kelly-Gemmell Dorothy Elizabethdirector | Grant | 6,333 | — |
| Aug 7, 2026 | Kelly-Gemmell Dorothy Elizabethdirector | Grant | 40,800 | $31.74 |
| Jul 29, 2026 | ZANTE GREGofficer: Chief Financial Officer | Sell | 21,217 | $33.47 |
| Jul 29, 2026 | Lian Briandirector, officer: President & CEO | Grant | 221,667 | — |
| Jul 29, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Grant | 31,667 | — |
| Jul 29, 2026 | Lian Briandirector, officer: President & CEO | Sell | 148,517 | $33.32 |
| Jul 29, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Sell | 18,217 | $33.47 |
| Jul 29, 2026 | ZANTE GREGofficer: Chief Financial Officer | Grant | 31,667 | — |
| Jun 3, 2026 | Chen Hubert Cofficer: Chief Medical Officer | Grant | 190,000 | $31.27 |
| Mar 10, 2026 | Aubuchon Neil Williamofficer: Chief Commercial Officer | Buy | 4,475 | $33.50 |
| Jan 26, 2026 | Aubuchon Neil Williamofficer: Chief Commercial Officer | Grant | 180,000 | $31.76 |
| Jan 5, 2026 | Rowland Charles A Jrdirector | Grant | 20,400 | $35.42 |
| Jan 5, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Sell | 1,600 | $35.07 |
| Jan 5, 2026 | ZANTE GREGofficer: Chief Financial Officer | Grant | 91,000 | $35.42 |
| Jan 5, 2026 | ZANTE GREGofficer: Chief Financial Officer | Grant | 41,000 | — |
| Jan 5, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Grant | 91,000 | $35.42 |
| Jan 5, 2026 | MACARTNEY LAWSONdirector | Grant | 3,150 | — |
| Jan 5, 2026 | ZANTE GREGofficer: Chief Financial Officer | Sell | 1,500 | $32.09 |
| Jan 5, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Grant | 41,000 | — |
| Jan 5, 2026 | Lian Briandirector, officer: President & CEO | Grant | 176,300 | $35.42 |
| Jan 5, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Sell | 10,500 | $34.22 |
| Jan 5, 2026 | ZANTE GREGofficer: Chief Financial Officer | Sell | 31,961 | $32.30 |
| Jan 5, 2026 | Lian Briandirector, officer: President & CEO | Sell | 6,400 | $35.07 |
| Jan 5, 2026 | FOEHR MATTHEW Wdirector | Grant | 3,150 | — |
| Jan 5, 2026 | MACARTNEY LAWSONdirector | Grant | 20,400 | $35.42 |
| Jan 5, 2026 | Rowland Charles A Jrdirector | Grant | 3,150 | — |
| Jan 5, 2026 | ZANTE GREGofficer: Chief Financial Officer | Grant | 32,049 | — |
| Jan 5, 2026 | FOEHR MATTHEW Wdirector | Option | 16,000 | $3.33 |
| Jan 5, 2026 | Mancini Mariannaofficer: Chief Operating Officer | Grant | 32,049 | — |
| Jan 5, 2026 | FOEHR MATTHEW Wdirector | Sell | 16,000 | $35.11 |
Source: VKTX SEC Form 4 filings, latest Aug 7, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their VKTX positions over the last 6 months (SEC Form 13F).
Increased
304
New positions
142
Reduced
261
Sold out
50
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 6.9M | May 13, 2026 |
| FMR LLC | Increased | 6.3M | Aug 13, 2026 |
| BlackRock, Inc. | Reduced | 6.2M | Aug 7, 2026 |
| FMR LLC | Reduced | 6.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 5.6M | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 5.1M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 5.0M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 4.9M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 4.8M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 4.5M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.5M | May 8, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 4.4M | May 15, 2026 |
| STATE STREET CORP | Reduced | 4.4M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Reduced | 3.9M | Aug 14, 2026 |
| MORGAN STANLEY | Increased | 3.5M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.