PORTER MARY LYN

PrivateCIK: 1979392
Location

TUCSON, AZ

PORTER MARY LYN (Chief People Officer) exercised options at MISTER CAR WASH, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderPORTER MARY LYNCIK 1979392
IssuerMISTER CAR WASH, INC.CIK 1853513
Officer· Chief People Officer
Since May 2023
-66.83K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
39.75K acquired · 106.58K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+39.75K

Price / share

Trade value

% of position

146.8%
5/19/2026
27.08K66.83K

Common Stock

Direct
J · J

Shares

15.14K

Price / share

Trade value

% of position

22.7%
5/19/2026
66.83K51.69K

Common Stock

Direct
D · Disposition

Shares

51.69K

Price / share

Trade value

% of position

New position
5/19/2026
51.69K0.00
Total

Net shares

27.08K

Net value

$0.00

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

39.75K shares

Shares

39.75K

Strike price

Held after

0.00

Exercisable

5/19/2026
PORTER MARY LYN — Insider Transaction (Form 4) Filed May 19, 2026 | Finecho