WALKER MARK D

PrivateCIK: 1896664
Location

HOUSTON, TX

WALKER MARK D (Chairman and CEO) sold 1.36K shares of DIRECT DIGITAL HOLDINGS, INC. on the open market

Open‑market sale worth $3.8K. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWALKER MARK DCIK 1896664
DirectorOfficer10% Owner· Chairman and CEO
Since Feb 2022
+7.29K
Net shares
Net buyer
$4.9K
Total sold
1
Open market trades
0B · 1S
11
Total transactions
9.07K acquired · 1.77K disposed
Non-Derivative Transactions7

Class A Common Stock, par value $0.001 per share

Direct
M · Option Exercise

Shares

+204.00

Price / share

Trade value

% of position

New position
1/24/2026
0.00204.00

Class A Common Stock, par value $0.001 per share

Direct
F · Tax Withholding

Shares

61.00

Price / share

$16.48

Trade value

$1.01K

% of position

29.9%
1/24/2026
204.00143.00

Class A Common Stock, par value $0.001 per share

Direct
M · Option Exercise

Shares

+45.00

Price / share

Trade value

% of position

31.5%
3/20/2026
143.00188.00

Class A Common Stock, par value $0.001 per share

Direct
F · Tax Withholding

Shares

14.00

Price / share

$3.52

Trade value

$49.28

% of position

7.4%
3/20/2026
188.00174.00

Class A Common Stock, par value $0.001 per share

Direct
M · Option Exercise

Shares

+67.00

Price / share

Trade value

% of position

38.5%
4/1/2026
174.00241.00

Class A Common Stock, par value $0.001 per share

Direct
F · Tax Withholding

Shares

20.00

Price / share

$3.29

Trade value

$65.80

% of position

8.3%
4/1/2026
241.00221.00

Class A Common Stock, par value $0.001 per share

Indirect
S · Sale

Shares

1.36K

Price / share

$2.80

Trade value

$3.82K

% of position

New position
6/12/2026
1.36K0.00
Total

Net shares

1.14K

Net value

-$4.94K

Derivative Transactions4

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock, par value $0.001 per share

204.00 shares

Shares

204.00

Strike price

Held after

0.00

Exercisable

1/24/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock, par value $0.001 per share

45.00 shares

Shares

45.00

Strike price

Held after

0.00

Exercisable

3/20/2026

Employee Stock Options (right to buy)

Direct
A · Award
Converts to

Class A Common Stock, par value $0.001 per share

8.75K shares

Shares

+8.75K

Strike price

3.32

Held after

8.75K

Exercisable

3/24/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock, par value $0.001 per share

67.00 shares

Shares

67.00

Strike price

Held after

136.00

Exercisable

4/1/2026