Calumet, Inc. /DE SEC filings CLMT
Calumet, Inc. /DE has 275 filings in SEC EDGAR's recent list, going back to Mar 5, 2024. Its latest annual report, Form ARS, was filed on Apr 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 15, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Jan 14, 2025 | — |
| S-3ASR | Automatic shelf registration | Jan 14, 2025 | — |
| S-3ASR | Automatic shelf registration | Aug 9, 2024 | — |
| S-8 | Employee stock plan registration | Jul 10, 2024 | — |
| 424B3 | Prospectus | Jun 7, 2024 | — |
| S-4/A | Filing | Jun 3, 2024 | — |
| S-4/A | Filing | May 17, 2024 | — |
| S-4/A | Filing | Apr 19, 2024 | — |
| S-4 | Registration for a merger or exchange | Mar 5, 2024 | — |
Showing 9 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
- Petroleum Refining (SIC 2911)
- Listed as
- CLMT (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Indianapolis, IN
- SEC filer status
- Large accelerated filer
- SEC CIK
- 2013745
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.