Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Argos SEM, LLC - 10 Feb 2025 SCHEDULE 13D/A Report for SUMMIT MATERIALS, INC. Class A Common Stock (par value $0.01 per share) (SUM)
- Large-stake signal
-
Ownership
0%Beneficial ownership of this reported class.
Shares
0 sharesShares beneficially owned as disclosed.
Event date
10 Feb 2025Date tied to the ownership event or amendment.
Accepted by SEC
10 Feb 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 0%
- Symbol
- SUM
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 10 Feb 2025, 21:47:38 UTC
- Event date
- 10 Feb 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
1 source field
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
Argos SEM, LLC disclosed 0% ownership in SUMMIT MATERIALS, INC. Class A Common Stock (par value $0.01 per share) (SUM) on 10 Feb 2025.
Key facts
- Argos SEM, LLC filed SCHEDULE 13D/A for SUMMIT MATERIALS, INC. Class A Common Stock (par value $0.01 per share) (SUM).
- Disclosed ownership: 0%.
- Date of event: 10 Feb 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 10 Feb 2025, 21:47.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (4)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| GRUPO ARGOS S.A. | 0% | 0 | 0 | 0 | /s/ Rafael Olivella | Rafael Olivella, Vice President | 0002009533 |
| CEMENTOS ARGOS S.A. | 0% | 0 | 0 | 0 | /s/ Maria Isabel Echeverri | Maria Isabel Echeverri, Vice President | 0001446718 |
| ARGOS SEM, LLC | 0% | 0 | 0 | 0 | /s/ Gustavo Adolfo Uribe | Gustavo Adolfo Uribe, President | 0002009079 |
| VALLE CEMENT INVESTMENTS, INC. | 0% | 0 | 0 | 0 | /s/ Gari Manuel de la Rosa | Gari Manuel de la Rosa, Vice President | 0002008739 |
CIK / CUSIP context first