WITKOWSKI MARK R

PrivateCIK: 1866738
Location

ST. LOUIS, MO

WITKOWSKI MARK R (Chief Financial Officer) received a stock award from CORE & MAIN, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderWITKOWSKI MARK RCIK 1866738
IssuerCORE & MAIN, INC.CIK 1856525
Officer· Chief Financial Officer
Since Jul 2021
+148.07K
Net shares
Net buyer
$82.8K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
149.75K acquired · 1.69K disposed
Non-Derivative Transactions2

Class A Common Stock

Direct
F · Tax Withholding

Shares

1.69K

Price / share

$49.16

Trade value

$82.83K

% of position

4.9%
3/11/2026
34.43K32.75K

Class A Common Stock

Direct
A · Award

Shares

+18.37K

Price / share

Trade value

% of position

56.1%
3/12/2026
32.75K51.12K
Total

Net shares

+16.69K

Net value

-$82.83K

Derivative Transactions1

Options (Rights to Buy)

Direct
A · Award
Converts to

Class A Common Stock

131.38K shares

Shares

+131.38K

Strike price

47.63

Held after

131.38K

Exercisable

3/12/2026
WITKOWSKI MARK R — Insider Transaction (Form 4) Filed Mar 13, 2026 | Finecho