InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-52.6%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Anderson Karli S., Executive. Insider active across 2 companies, notably Summit Materials, Inc.. Cumulatively, 16 filings have been logged. History available since 7 March 2024. The latest transaction was filed on 22 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations16 total
200,000 shares0Common StockSEC:0001104659-26-067111:0
224,519 shares@ US$0.488893.3% of flowCommon StockSEC:0001104659-25-099411:0
16,390 shares@ US$0.4776.7% of flowCommon StockSEC:0001104659-25-099411:1
48,285 shares@ US$52.50100.0% of flowClass A Common StockSEC:0000950103-25-001827:0
7,587 shares0Class A Common StockSEC:0001628280-25-001884:0
2,409 sharesClass A Common StockSEC:0001628280-24-052432:0
11,420 shares0Class A Common StockSEC:0001628280-24-010118:0
2,369 sharesClass A Common StockSEC:0001628280-24-008672:0
2,201 sharesClass A Common StockSEC:0001628280-23-005898:0
1,000 sharesClass A Common StockSEC:0001628280-22-024381:0
5,710 sharesClass A Common StockSEC:0001628280-22-019991:0
2,201 sharesClass A Common StockSEC:0001628280-22-004586:0
1,000 sharesClass A Common StockSEC:0001628280-21-018236
1,000 sharesClass A Common StockSEC:0001628280-21-018236:0
5,711 sharesClass A Common StockSEC:0001104659-21-099513
5,711 sharesClass A Common StockSEC:0001104659-21-099513:0
16 of 16 declarations
About Anderson Karli S.
Anderson Karli S. serves as an Executive at Summit Materials, Inc. She is involved in managing the company's operations and strategy. Her role is essential for ensuring the smooth functioning and growth of the organization.
