Insider · CIK 0001466505
Gregg Winiarski
director
Files at MSTR (Strategy Inc). First filing Aug 12, 2025, latest Aug 12, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$977k bought, $0 sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MSTR: Strategy Inc
MSTROct 9, 2026 · close 154.34
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 |
|---|---|---|---|---|---|
| 67Notable | Strategy Inc | $977k 10,000 shares | - | +206% from low-17% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 8, 2025 | MSTR Strategy Inc | POpen-market purchase Series A Perpetual Stretch Preferred Stock | +10,000 | $97.65 | $977k | 10,000 | Aug 12, 2025 |
| May 31, 2025 | MSTR Strategy Inc | AGrant or award Director Stock Option (Right to buy)derivative | +545 | $0.00 | $0 | 545 | Jun 3, 2025 |
| May 31, 2025 | MSTR Strategy Inc | AGrant or award Restricted Stock Unitsderivative | +406 | $0.00 | $0 | 406 | Jun 3, 2025 |
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.