InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
CFODisclosed buys
0
Disclosed sells
0
T+90 hit rate
40%
T+90 mean return
-0.6%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Harris Brian James, Chief Financial Officer. Director active across 2 companies, notably Summit Materials, Inc.. Aggregated, 13 filings have been published. Activity tracked since 15 November 2024. The latest transaction was filed on 29 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations13 total
32 shares0Common StockSEC:0001635271-26-000004:0
1,191 shares@ US$57.4476.3% of flowCommon StockSEC:0001635271-26-000001:0
5,362 shares0Common StockSEC:0001635271-26-000001:1
37 shares0Common StockSEC:0001562180-25-004379:0
41 shares0Common StockSEC:0001562180-25-002811:0
611 shares@ US$31.1723.7% of flowCommon StockSEC:0001562180-25-001781:0
8,358 shares0Common StockSEC:0001562180-25-001533:0
8,290 shares0Common StockSEC:0001562180-24-007741:0
6,635 sharesClass A Common StockSEC:0001628280-23-005896:0
13,328 sharesClass A Common StockSEC:0001628280-22-019986:0
9,820 sharesClass A Common StockSEC:0001628280-22-004585:0
13,328 sharesClass A Common StockSEC:0001104659-21-099524
13,328 sharesClass A Common StockSEC:0001104659-21-099524:0
13 of 13 declarations
About Harris Brian James
Brian James Harris serves as the Executive Vice President and Chief Financial Officer of Summit Materials, Inc. He oversees the company's financial management, including planning and financial performance analysis. His role is crucial to the company's financial strategy.
