Mark D Walker

CIK 1896664 · Chairman and CEO · last filed 2025-12-23

Mark D Walker is a Chairman and CEO who has filed 39 SEC Form 4 insider transactions across 2 companies since 2022. The most recent filing, for DRCT, was dated Dec 23, 2025. Across all open-market trades the lifetime net is −$428.0K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $909.0K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$909.0K

Companies

2

Total Filings

39

Lifetime Open-Market Net

-$428.0K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
DRCT Chairman and CEO 300,000 $3.03 $909.0K -$428.0K 32 2025-12-23
Direct Digital Holdings, Inc. (DRCTW) Delisted Chairman and CEO 15,356 $0.45 $7.0K $0 7 2023-08-23

Recent Filings

39 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-12-23 DRCT Conv (C) +300,000 $0 EDGAR
2025-11-17 DRCT Sell (S) −272,500 -$61.6K EDGAR
2025-10-02 DRCT Conv (C) +272,500 $0 EDGAR
2025-08-19 DRCT Sell (S) −69,682 -$27.6K EDGAR
2025-07-23 DRCT Sell (S) −37,772 -$19.4K EDGAR
2025-07-18 DRCT Sell (S) −50,695 -$26.3K EDGAR
2025-07-16 DRCT Sell (S) −29,220 -$16.0K EDGAR
2025-06-20 DRCT Conv (C) +165,000 $0 EDGAR
2025-06-13 DRCT Sell (S) −28,323 -$14.9K EDGAR
2025-06-12 DRCT Mixed +15,356 -$2.8K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.