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Signal8

Loomes David

SEC insider (Form 3/4/5 filer). CIK 0002006209. Officer at Summit Materials, Inc. (SUM). 8 reported Form 4/5 transactions since Sep 2024; latest on Feb 10, 2025. Located in DENVER, CO.

Companies Loomes David has filed insider reports for

  • Summit Materials, Inc. (SUM): Officer, See Remarks
Loomes David profile photo

Loomes David

CIK: 0002006209

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)3 (37.5%)

Derivative conversions

Awards (A)2 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)3 (37.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Summit Materials, Inc. logo
SUM

Summit Materials, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (8 total)

  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Feb 10, 2025
    Disposition
    Direct
    33.7K shares at avg. $52.50$1.8M
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Jan 16, 2025
    Award
    Direct
    7.1K shares-
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Jan 16, 2025
    Tax Payment
    Direct
    3.3K shares at avg. $52.19$174K
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Jan 15, 2025
    Award

    Restricted Stock Units

    Direct
    15.9K shares-
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Dec 20, 2024
    Tax Payment
    Direct
    9.5K shares at avg. $50.50$477K
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Dec 20, 2024
    Exercise
    Direct
    14K shares-
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Dec 20, 2024
    Exercise
    Direct
    5.2K shares-
  • Summit Materials, Inc. logo
    SUM

    Summit Materials, Inc.

    Dec 20, 2024
    Exercise
    Direct
    2.3K shares-

1-8 of 8