---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-25-010857"
form_type: "8-K"
ticker: "CLMT"
cik: "0002013745"
company_name: "Calumet, Inc. /DE"
filed_at: "2025-08-08T23:59:59+00:00"
generated_at: "2026-05-17T16:51:17.206856+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Calumet Q2 net loss widens to $147.9M; Adjusted EBITDA $55.1M

## Summary
- Net loss of $147.9M ($1.70 per share) vs $39.1M loss a year ago; Adjusted EBITDA $55.1M vs $74.8M.
- Montana Renewables segment reported $16.3M Adjusted EBITDA with Tax Attributes, up from $8.7M, on record volumes.
- Company-wide operating cost savings reached $42M year-over-year in first half; called $230M of 2026 Senior Notes.
- Specialties segment Adjusted EBITDA $66.8M, down from $72.7M, impacted by planned Shreveport turnaround.
- Montana Renewables on track for 120-150M gallons SAF production by Q2 2026; operating costs fell to $0.43/gallon.

## SEC filing metadata
- accession: 0001558370-25-010857
- form_type: 8-K
- ticker: CLMT
- cik: 0002013745
- company_name: Calumet, Inc. /DE
- filed_at: 2025-08-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2013745/000155837025010857/0001558370-25-010857-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2013745/000155837025010857/clmt-20250808x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-25-010857
- JSON: https://secwatch.observer/filing/0001558370-25-010857.json
- Plain text: https://secwatch.observer/filing/0001558370-25-010857.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.