LOOMES DAVID

PrivateCIK: 2006209
Location

DENVER, CO

LOOMES DAVID (See Remarks) exercised options at SUMMIT MATERIALS, INC.

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

M · 3 exercises
InsiderLOOMES DAVIDCIK 2006209
IssuerSUMMIT MATERIALS, INC.CIK 1621563
Officer· See Remarks
Since Jan 2024
-9.45K
Net shares
Net seller
$477.3K
Total sold
0
Open market trades
0B · 0S
7
Total transactions
21.40K acquired · 30.85K disposed
Non-Derivative Transactions4

Class A Common Stock

Direct
M · Option Exercise

Shares

+2.25K

Price / share

Trade value

% of position

12.5%
12/20/2024
17.97K20.22K

Class A Common Stock

Direct
M · Option Exercise

Shares

+5.18K

Price / share

Trade value

% of position

25.6%
12/20/2024
20.22K25.40K

Class A Common Stock

Direct
M · Option Exercise

Shares

+13.97K

Price / share

Trade value

% of position

55.0%
12/20/2024
25.40K39.37K

Class A Common Stock

Direct
F · Tax Withholding

Shares

9.45K

Price / share

$50.50

Trade value

$477.33K

% of position

24.0%
12/20/2024
39.37K29.92K
Total

Net shares

+11.95K

Net value

-$477.33K

Derivative Transactions3

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock

2.25K shares

Shares

2.25K

Strike price

Held after

0.00

Exercisable

12/20/2024

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock

5.18K shares

Shares

5.18K

Strike price

Held after

0.00

Exercisable

12/20/2024

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock

13.97K shares

Shares

13.97K

Strike price

Held after

0.00

Exercisable

12/20/2024
LOOMES DAVID — Insider Transaction (Form 4) Filed Dec 26, 2024 | Finecho