MELLINGER DOUGLAS K
SEC Form 4 insider trading activity
MELLINGER DOUGLAS K has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Jun 25, 2026.
On the most recent filing, MELLINGER DOUGLAS K is listed as Director at MARA Holdings, Inc. Inside the rolling window, MELLINGER DOUGLAS K reported no open-market purchases and 2 open-market sales totaling $129K in MARA. The largest disclosed transaction in the window is a sale of 7,000 MARA shares on Jun 22, 2026, worth $112K.
Companies traded
Other insiders at MARA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$129K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has MELLINGER DOUGLAS K made?
MELLINGER DOUGLAS K has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company since 2025.
Which companies does MELLINGER DOUGLAS K trade?
MELLINGER DOUGLAS K has filed SEC Form 4 disclosures for 1 company, including MARA.
When was MELLINGER DOUGLAS K's most recent SEC Form 4 filing?
MELLINGER DOUGLAS K's most recent SEC Form 4 filing on Tracefour is dated Jun 25, 2026.
What is MELLINGER DOUGLAS K's total buy and sell value in the current window?
Inside the rolling retention window, MELLINGER DOUGLAS K bought $0 and sold $129K based on SEC Form 4 filings.
What was MELLINGER DOUGLAS K's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 7,000 MARA shares on 2026-06-22, worth $112K, per SEC Form 4 filings.