WINIARSKI GREGG - Insider Non-Derivative Transactions at MICROSTRATEGY Inc (MSTR) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 20, 2025, WINIARSKI GREGG's relationship to MICROSTRATEGY Inc (MSTR) is Director, and currently has 10,000 shares of Series A Perpetual Stretch Preferred Stock, and 686 shares of Class A Common Stock.

The charts below show the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MSTR insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

WINIARSKI GREGG - Insider Non-Derivative Transactions of MSTR Series A Perpetual Stretch Preferred Stock

WINIARSKI GREGG - Insider Non-Derivative Transactions of MSTR Class A Common Stock

WINIARSKI GREGG - Insider Non-Derivative Transactions at MSTR

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 21, 2025	M -- (Class A Common Stock)	686	0	686
Aug 9, 2025	P -- (Series A Perpetual Stretch Preferred Stock)	10000	97.65	10000