Insider · CIK 0001838112
Marianna Mancini
Files at VKTX (Viking Therapeutics, Inc.). First filing Jul 3, 2025, latest Jul 29, 2026.
In brief
Marianna Mancini files SEC Form 4 as COO at VKTX (Viking Therapeutics, Inc.). Since Jul 3, 2025, Marianna Mancini has reported 0 open-market buys worth $0 and 4 open-market sells worth $2.8M, the latest filed on Jul 29, 2026.
A track record needs three past buys with six months of prices behind them; Marianna Mancini has 0, so none is measured yet.
The newest scored trade: sold $610k of VKTX on Jul 29, 2026, filed Jul 29, 2026, scored 55 (moderate). In the last 12 months: 0 buys worth $0 and 3 sells worth $2.7M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
VKTX: Viking Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 55Moderate | Viking Therapeutics, Inc. | $610k 18,217 shares | -4% | +45% from low-21% from high | |
| 65Notable | Viking Therapeutics, Inc. | $1.9M 57,661 shares | -12% | +61% from low-24% from high | |
| 47Moderate | Viking Therapeutics, Inc. | $216k 6,185 shares | -2% | +75% from low-53% from high | |
| 45Moderate | Viking Therapeutics, Inc. | $118k 4,266 shares | -1% | +41% from low-64% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jul 29, 2026 | VKTX VIKING THERAPEUTICS, INC. | 18,217 0.02% of outstanding | $610k | Jul 29, 2026 | none |
| Jan 5, 2026 | VKTX VIKING THERAPEUTICS, INC. | 57,661 0.05% of outstanding | $1.9M | Jan 5, 2026 | $216k |
| Oct 28, 2025 | VKTX VIKING THERAPEUTICS, INC. | 6,185 0.01% of outstanding | $216k | Oct 28, 2025 | none |
| Jul 3, 2025 | VKTX VIKING THERAPEUTICS, INC. | 4,266 0.00% of outstanding | $118k | Jul 3, 2025 | none |
| Jan 6, 2025 | VKTX VIKING THERAPEUTICS, INC. | 54,215 0.05% of outstanding | $2.3M | Jan 6, 2025 | none |
Transactions
Every row this insider has filed, 13 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 28, 2026 | VKTX Viking Therapeutics, Inc. | AGrant or award Common Stock, par value $0.00001 per share | +31,667 | $0.00 | $0 | 440,977 | Jul 29, 2026 |
| Jul 29, 2026 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -18,217 | $33.47 | $610k | 422,760 | Jul 29, 2026 |
| Jan 2, 2026 | VKTX Viking Therapeutics, Inc. | AGrant or award Common Stock, par value $0.00001 per share | +41,000 | $0.00 | $0 | 434,802 | Jan 5, 2026 |
| Jan 2, 2026 | VKTX Viking Therapeutics, Inc. | AGrant or award Common Stock, par value $0.00001 per share | +32,049 | $0.00 | $0 | 466,851 | Jan 5, 2026 |
| Jan 5, 2026 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -31,961 | $32.29 | $1.0M | 434,890 | Jan 5, 2026 |
| Jan 5, 2026 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -13,600 | $33.37 | $454k | 421,290 | Jan 5, 2026 |
| Jan 5, 2026 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -10,500 | $34.22 | $359k | 410,790 | Jan 5, 2026 |
| Jan 5, 2026 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -1,600 | $35.07 | $56k | 409,190 | Jan 5, 2026 |
| Jan 2, 2026 | VKTX Viking Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +91,000 | $0.00 | $0 | 91,000 | Jan 5, 2026 |
| Oct 27, 2025 | VKTX Viking Therapeutics, Inc. | AGrant or award Common Stock, par value $0.00001 per share | +11,117 | $0.00 | $0 | 388,652 | Oct 28, 2025 |
| Oct 28, 2025 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -6,185 | $35.00 | $216k | 382,467 | Oct 28, 2025 |
| Jul 2, 2025 | VKTX Viking Therapeutics, Inc. | AGrant or award Common Stock, par value $0.00001 per share | +7,667 | $0.00 | $0 | 381,801 | Jul 3, 2025 |
| Jul 3, 2025 | VKTX Viking Therapeutics, Inc. | SOpen-market sale Common Stock, par value $0.00001 per share | -4,266 | $27.77 | $118k | 377,535 | Jul 3, 2025 |
Questions about Marianna Mancini
Answered from the filings on this page, as of the latest one.
Is Marianna Mancini buying or selling?
In the last 12 months Marianna Mancini reported 0 open-market buys worth $0 and 3 open-market sells worth $2.7M on SEC Form 4; the latest was sold $610k of VKTX on Jul 29, 2026. Grants, option exercises and tax withholding are not counted.
How did Marianna Mancini's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Marianna Mancini has 0.
Where does Marianna Mancini file Form 4?
Marianna Mancini has filed Form 4 at VKTX (Viking Therapeutics, Inc.) as Chief Operating Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.