MELLINGER DOUGLAS K

Director at EDGAR ONLINE INC · on record since Feb 15, 2006
Director at ENHERENT CORP · on record since May 25, 2006
10% owner at ENHERENT CORP · on record since Feb 25, 2005
Director at MARA Holdings, Inc. · on record since May 5, 2022

Insider trading activity of MELLINGER DOUGLAS K

Transactions on record: 32; since Nov 4, 2003

Open-market buys: 4; $103.8K

Open-market sells: 15; $449.2K

Companies traded: 3; last filing Jun 24, 2026

Figures computed from official regulatory filings — .

Companies where MELLINGER DOUGLAS K has traded

MARA Holdings, Inc.22 tx · $553K · Jun 24, 2026
ENHERENT CORP9 tx · May 25, 2010
EDGAR ONLINE INC1 tx · $69.3K · Jun 5, 2008

Track record of MELLINGER DOUGLAS K

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of MELLINGER DOUGLAS K

Co-insiders of MELLINGER DOUGLAS K

Acclaim Financial Group, LLCMARA Holdings, Inc.
ADAMS GREG DEDGAR ONLINE INC
Andrews David L.MARA Holdings, Inc.
ANTOUN GEORGESMARA Holdings, Inc.
Bain Capital Venture Integral Investors, LLCEDGAR ONLINE INC
BAIN CAPITAL VENTURE INVESTORS, LLCEDGAR ONLINE INC
BEAN LLCEDGAR ONLINE INC
BENZ PETERMARA Holdings, Inc.
Berg Michael CarrollMARA Holdings, Inc.
BERKELEY ALFRED R IIIEDGAR ONLINE INC
Bleak JoshuaMARA Holdings, Inc.
Bourke DianaEDGAR ONLINE INC
Brenza KarlENHERENT CORP
Cary William JENHERENT CORP
CATALANO DOUGLAS AENHERENT CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MARA Holdings, Inc.Listing on record	Jun 24, 2026	Sell	-7,000	16.00 USD	$112K	Unusual size	SEC
MARA Holdings, Inc.Listing on record	Feb 13, 2026	Award	82,759	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Nov 12, 2025	Sell	-1,000	16.55 USD	$16.6K		SEC
MARA Holdings, Inc.Listing on record	Oct 8, 2025	Sell	-1,000	20.71 USD	$20.7K		SEC
MARA Holdings, Inc.Listing on record	Sep 11, 2025	Sell	-1,000	16.10 USD	$16.1K		SEC
MARA Holdings, Inc.Listing on record	Aug 8, 2025	Sell	-1,000	16.21 USD	$16.2K		SEC
MARA Holdings, Inc.Listing on record	Jul 9, 2025	Sell	-1,000	17.42 USD	$17.4K		SEC
MARA Holdings, Inc.Listing on record	Jun 10, 2025	Sell	-1,000	16.00 USD	$16K		SEC
MARA Holdings, Inc.Listing on record	May 13, 2025	Sell	-3,000	16.00 USD	$48K		SEC
MARA Holdings, Inc.Listing on record	Feb 28, 2025	Award	43,103	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Jan 15, 2025	Sell	-1,000	17.00 USD	$17K		SEC
MARA Holdings, Inc.Listing on record	Dec 16, 2024	Sell	-1,000	23.80 USD	$23.8K		SEC
MARA Holdings, Inc.Listing on record	Nov 13, 2024	Sell	-1,000	24.06 USD	$24.1K		SEC
MARA Holdings, Inc.Listing on record	Oct 16, 2024	Sell	-1,000	16.77 USD	$16.8K		SEC
MARA Holdings, Inc.Listing on record	Sep 16, 2024	Sell	-1,000	16.00 USD	$16K		SEC
MARA Holdings, Inc.Listing on record	Aug 14, 2024	Sell	-1,000	16.05 USD	$16.1K		SEC
MARA Holdings, Inc.Listing on record	May 6, 2024	Award	28,887	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Feb 2, 2024	Award	62,317	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Jan 2, 2024	Sell	-10,000	7.25 USD	$72.5K		SEC
MARA Holdings, Inc.Listing on record	Dec 30, 2022	Buy	10,000	3.27 USD	$32.7K	conv 64Cluster	SEC
MARA Holdings, Inc.Listing on record	Dec 29, 2022	Buy	10,000	3.27 USD	$32.7K	conv 64Cluster	SEC
MARA Holdings, Inc.Listing on record	Dec 22, 2022	Buy	10,000	3.84 USD	$38.4K	conv 89ClusterFirst in 12mo	SEC
ENHERENT CORPListing on record	May 25, 2010	AwardD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC
ENHERENT CORPListing on record	May 26, 2009	AwardD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC
ENHERENT CORPListing on record	Jun 16, 2008	AwardD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MARA Holdings, Inc.Listing on record	Jun 24, 2026	Sell	-7,000	16.00 USD	$112K	Unusual size	SEC
MARA Holdings, Inc.Listing on record	Feb 13, 2026	Award	82,759	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Nov 12, 2025	Sell	-1,000	16.55 USD	$16.6K		SEC
MARA Holdings, Inc.Listing on record	Oct 8, 2025	Sell	-1,000	20.71 USD	$20.7K		SEC
MARA Holdings, Inc.Listing on record	Sep 11, 2025	Sell	-1,000	16.10 USD	$16.1K		SEC
MARA Holdings, Inc.Listing on record	Aug 8, 2025	Sell	-1,000	16.21 USD	$16.2K		SEC
MARA Holdings, Inc.Listing on record	Jul 9, 2025	Sell	-1,000	17.42 USD	$17.4K		SEC
MARA Holdings, Inc.Listing on record	Jun 10, 2025	Sell	-1,000	16.00 USD	$16K		SEC
MARA Holdings, Inc.Listing on record	May 13, 2025	Sell	-3,000	16.00 USD	$48K		SEC
MARA Holdings, Inc.Listing on record	Feb 28, 2025	Award	43,103	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Jan 15, 2025	Sell	-1,000	17.00 USD	$17K		SEC
MARA Holdings, Inc.Listing on record	Dec 16, 2024	Sell	-1,000	23.80 USD	$23.8K		SEC
MARA Holdings, Inc.Listing on record	Nov 13, 2024	Sell	-1,000	24.06 USD	$24.1K		SEC
MARA Holdings, Inc.Listing on record	Oct 16, 2024	Sell	-1,000	16.77 USD	$16.8K		SEC
MARA Holdings, Inc.Listing on record	Sep 16, 2024	Sell	-1,000	16.00 USD	$16K		SEC
MARA Holdings, Inc.Listing on record	Aug 14, 2024	Sell	-1,000	16.05 USD	$16.1K		SEC
MARA Holdings, Inc.Listing on record	May 6, 2024	Award	28,887	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Feb 2, 2024	Award	62,317	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MARA Holdings, Inc.Listing on record	Jan 2, 2024	Sell	-10,000	7.25 USD	$72.5K		SEC
MARA Holdings, Inc.Listing on record	Dec 30, 2022	Buy	10,000	3.27 USD	$32.7K	conv 64Cluster	SEC
MARA Holdings, Inc.Listing on record	Dec 29, 2022	Buy	10,000	3.27 USD	$32.7K	conv 64Cluster	SEC
MARA Holdings, Inc.Listing on record	Dec 22, 2022	Buy	10,000	3.84 USD	$38.4K	conv 89ClusterFirst in 12mo	SEC
ENHERENT CORPListing on record	May 25, 2010	AwardD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC
ENHERENT CORPListing on record	May 26, 2009	AwardD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC
ENHERENT CORPListing on record	Jun 16, 2008	AwardD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC