Stantec Inc SEC filings STN
Stantec Inc has 793 filings in SEC EDGAR's recent list, going back to Apr 14, 2005. Its latest annual report, Form 40-F, was filed on Feb 25, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 21, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 3, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 21, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 31, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 29, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 10, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 10, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 2, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Dec 26, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Mar 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Jul 9, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13G | Ownership over 5% (passive) | May 18, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Mar 16, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 10, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 2, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 12, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Apr 9, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Jan 13, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2008 | — |
| SC 13G | Ownership over 5% (passive) | May 31, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2007 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2006 | — |
| 3 | Initial insider ownership | Apr 19, 2005 | Apr 14, 2005 |
| SC 13D | Ownership over 5% (active) | Apr 19, 2005 | — |
Showing 68 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Engineering Services (SIC 8711)
- Listed as
- STN (NYSE)
- Headquarters
- Edmonton, Alberta, Canada
- SEC CIK
- 1131383
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.