---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-25-007888"
form_type: "8-K"
ticker: "CLMT"
cik: "0002013745"
company_name: "Calumet, Inc. /DE"
filed_at: "2025-05-15T23:59:59+00:00"
generated_at: "2026-05-21T06:06:40.120915+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Calumet board chair Mawer terminates 10b5-1 trading plan early

## Summary
- Stephen Mawer terminated his 10b5-1 plan on May 13, 2025, 9 months early.
- Plan allowed up to 40,205 shares sold; only 10,965 shares were sold before termination.
- Plan was adopted Nov 15, 2024, commenced Mar 6, 2025, and was set to expire Dec 31, 2025.
- Mawer is Chair of the Board and has controlling interest in Mawer Enterprises LLC and Mawer Investments Ltd.

## SEC filing metadata
- accession: 0001558370-25-007888
- form_type: 8-K
- ticker: CLMT
- cik: 0002013745
- company_name: Calumet, Inc. /DE
- filed_at: 2025-05-15T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2013745/000155837025007888/0001558370-25-007888-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2013745/000155837025007888/clmt-20250513x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-25-007888
- JSON: https://secwatch.observer/filing/0001558370-25-007888.json
- Plain text: https://secwatch.observer/filing/0001558370-25-007888.txt

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