Walker Mark D
Chairman and CEO
Walker Mark D has filed 6 SEC Form 4 filings (14 transaction rows) across 1 company, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Sep 4, 2026.
On the most recent filing, Walker Mark D is listed as Chairman and CEO at Direct Digital Holdings, Inc. Inside the rolling window, Walker Mark D reported no open-market purchases and 5 open-market sales totaling $70K in DRCT. The largest disclosed transaction in the window is a sale of 245,008 DRCT shares on Nov 14, 2025, worth $51K.
Companies traded
Other insiders at DRCT
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$70K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Walker Mark D made?
Walker Mark D has filed 6 SEC Form 4 filings (14 transaction rows) across 1 company since 2025.
Which companies does Walker Mark D trade?
Walker Mark D has filed SEC Form 4 disclosures for 1 company, including DRCT.
When was Walker Mark D's most recent SEC Form 4 filing?
Walker Mark D's most recent SEC Form 4 filing on Tracefour is dated Sep 4, 2026.
What is Walker Mark D's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Walker Mark D is listed as Chairman and CEO.
What is Walker Mark D's total buy and sell value in the current window?
Inside the rolling retention window, Walker Mark D bought $0 and sold $70K based on SEC Form 4 filings.
What was Walker Mark D's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 245,008 DRCT shares on 2025-11-14, worth $51K, per SEC Form 4 filings.