BLACK MATTHEW STEPHEN

PrivateCIK: 1544201
Location

THE WOODLANDS, TX

BLACK MATTHEW STEPHEN (Sr VP Chief Tax Officer) exercised options at WASTE CONNECTIONS, INC.

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

M · 1 exercise
InsiderBLACK MATTHEW STEPHENCIK 1544201
IssuerWASTE CONNECTIONS, INC.CIK 1318220
Officer· Sr VP Chief Tax Officer
Since Feb 2026
-317.00
Net shares
Net seller
$51.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
804.00 acquired · 1.12K disposed
Non-Derivative Transactions2

Common Shares

Direct
M · Option Exercise

Shares

+804.00

Price / share

Trade value

% of position

1.9%
2/18/2026
43.03K43.83K

Common Shares

Direct
F · Tax Withholding

Shares

317.00

Price / share

$162.76

Trade value

$51.59K

% of position

0.7%
2/18/2026
43.83K43.51K
Total

Net shares

+487.00

Net value

-$51.59K

Derivative Transactions1

Restricted Share Units

Direct
M · Option Exercise
Converts to

Common Shares

804.00 shares

Shares

804.00

Strike price

0.00

Held after

0.00

Exercisable

2/18/2026
Non-Derivative Holdings (Post-Transaction)2

Common Shares

Indirect
Shares owned121.00

Common Shares

Indirect
Shares owned121.00
Total
242.00 indirect242.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
BLACK MATTHEW STEPHEN — Insider Transaction (Form 4) Filed Feb 20, 2026 | Finecho