WALKER MARK D

PrivateCIK: 1896664
Location

HOUSTON, TX

Senior insider sale

Chairman and CEO at DIRECT DIGITAL HOLDINGS, INC. — senior position signals high conviction

$87.8K

572.50K shares

What this filing means

WALKER MARK D plans to sell 572.50K shares of DIRECT DIGITAL HOLDINGS, INC. valued at approximately $87.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderWALKER MARK DCIK 1896664
DirectorOfficer10% Owner· Chairman and CEO
Since Feb 2022
572.50K
Shares to sell
$87.8K
Approx. market value
300K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Unit Vesting and Unit Conversion

NA

12/11/2025
300K
Total acquired300K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

245.01K

Market value

$51.3K

11/14/2025
Completed

Units to sell

27.49K

Market value

$10.1K

11/13/2025

Planned — Approximate Date

NasdaqPlanned

Units to sell

300K

Market value

$26.4K

12/12/2025
Total

Units

572.50K

Value

$87.8K

WALKER MARK D — Planned Insider Sale (Form 144) | Finecho