Key facts
- This page summarizes David Loomes's Form 4 filing for Summit Materials, Inc..
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 17 Jan 2025, 17:29.
David Loomes - 15 Jan 2025 Form 4 Insider Report for Summit Materials, Inc.
- Reporting relationship
- Title: EVP, Cement
- Issuer ticker
- N/A
- Reported as of
- 15 Jan 2025
- Net transaction value
- -$173,793
- SEC form
- 4
- Accepted by SEC
- 17 Jan 2025, 17:29:03 UTC
- Prior SEC filing
- 26 Dec 2024
- Next SEC filing
- 10 Feb 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Christopher B. Gaskill, as Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
David Loomes filed Form 4 for Summit Materials, Inc. on 17 Jan 2025.
Change
- Previous filing in this sequence was filed on 26 Dec 2024.
- Current net transaction value: -$173,793.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SUM
transaction
Class A Common Stock
Award
- Transaction value
- $0
- Shares
- +7,086
- Change %
- +24%
- Price
- $0.000000
- Shares after
- 37,004
- Date
- 16 Jan 2025
- Ownership
- Direct
- Footnotes
- F1
SUM
transaction
Class A Common Stock
Tax liability
- Transaction value
- $173,793
- Shares
- -3,330
- Change %
- -9%
- Price
- $52.19
- Shares after
- 33,674
- Date
- 16 Jan 2025
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
SUM
transaction
Derivative
Restricted Stock Units
Award
- Transaction value
- $0
- Shares
- +15,895
- Change %
- Price
- $0.000000
- Shares after
- 15,895
- Date
- 15 Jan 2025
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 15,895
- Exercise price
- Footnotes
- F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Reflects shares of Class A Common Stock earned and delivered on performance units previously granted based upon the satisfaction of certain performance criteria.
Footnote F2
Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's Human Capital and Compensation Committee.
Footnote F3
These restricted stock units vest in three equal annual installments beginning on January 15, 2026.
SEC remarks
Title: EVP, Cement