MELLINGER DOUGLAS K - Insider Non-Derivative Transactions at MARA Holdings, Inc. (MARA) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 10, 2025, MELLINGER DOUGLAS K's relationship to MARA Holdings, Inc. (MARA) is Director, and currently has 170,859 shares of Common Stock.

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

You can see similar information for other MARA insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

MELLINGER DOUGLAS K - Insider Non-Derivative Transactions of MARA Common Stock

MELLINGER DOUGLAS K - Insider Non-Derivative Transactions at MARA

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 11, 2025	Sell -- (Common Stock)	1000	16.55	170859
Oct 8, 2025	Sell -- (Common Stock)	1000	20.71	171859
Sep 11, 2025	Sell -- (Common Stock)	1000	16.1	172859
Aug 8, 2025	Sell -- (Common Stock)	1000	16.21	173859
Jul 8, 2025	Sell -- (Common Stock)	1000	17.42	174859
Jun 7, 2025	Sell -- (Common Stock)	1000	16	175859
May 10, 2025	Sell -- (Common Stock)	3000	16	176859
Mar 1, 2025	Acquisition -- (Common Stock)	43103	0	179859
Jan 14, 2025	Sell -- (Common Stock)	1000	17	137756
Dec 13, 2024	Sell -- (Common Stock)	1000	23.8	138756
Nov 13, 2024	Sell -- (Common Stock)	1000	24.06	139756
Oct 15, 2024	Sell -- (Common Stock)	1000	16.77	140756
Sep 13, 2024	Sell -- (Common Stock)	1000	16	141756
Aug 13, 2024	Sell -- (Common Stock)	1000	16.05	142756
May 2, 2024	Acquisition -- (Common Stock)	28887	0	143756
Feb 1, 2024	Acquisition -- (Common Stock)	62317	0	114869
Feb 4, 2023	Sell -- (Common Stock)	10000	7.25	52552
Jan 17, 2023	C -- (Common Stock)	32552	7.68	52552