Harris Brian James

CIK: 0001635271Chief Financial Officer
Officer
Primary company: Summit Materials, Inc. (SUM)

Harris Brian James is a corporate insider (Chief Financial Officer) at Summit Materials, Inc. (SUM) filing SEC Form 4 transactions. 103 transactions across 2 companies, totaling $1,113,360 in purchases and $11,100,492 in sales. Source: SEC EDGAR.

Total Transactions
103
Total Buy Value
$1.11M
Total Sell Value
$11.10M
Net Activity
$-9.99M
Last Transaction
Jun 2026
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
32
Price
-
Value
-
Type
Award
Shares
31
Price
-
Value
-
Type
Award
Shares
33
Price
-
Value
-
Type
Award
Shares
31
Price
-
Value
-
Type
Award
Shares
37
Price
-
Value
-
Type
Award
Shares
41
Price
-
Value
-
Type
Tax Payment
Shares
611
Price
$31.17
Value
$19K
Type
Award
Shares
8,358
Price
-
Value
-
Type
Award
Shares
8,290
Price
-
Value
-
Summit Materials, Inc.
SUM
Type
Exercise
Shares
4,785
Price
$0.00
Value
$0
Summit Materials, Inc.
SUM
Type
Exercise
Shares
5,595
Price
$0.00
Value
$0
Summit Materials, Inc.
SUM
Type
Exercise
Shares
6,636
Price
$0.00
Value
$0
Summit Materials, Inc.
SUM
Type
Tax Payment
Shares
10,433
Price
$29.54
Value
$308K
Summit Materials, Inc.
SUM
Type
Award
Shares
18,298
Price
$0.00
Value
$0
Summit Materials, Inc.
SUM
Type
Exercise
Shares
4,785
Price
-
Value
-
Summit Materials, Inc.
SUM
Type
Exercise
Shares
5,595
Price
-
Value
-
Summit Materials, Inc.
SUM
Type
Exercise
Shares
6,635
Price
-
Value
-
Summit Materials, Inc.
SUM
Type
Exercise
Shares
13,328
Price
$0.00
Value
$0
Summit Materials, Inc.
SUM
Type
Tax Payment
Shares
5,851
Price
$27.51
Value
$161K
Summit Materials, Inc.
SUM
Type
Exercise
Shares
13,328
Price
-
Value
-