---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-288858"
form_type: "8-K"
ticker: "EXP"
cik: "0000918646"
company_name: "EAGLE MATERIALS INC"
filed_at: "2023-12-05T23:59:59+00:00"
generated_at: "2026-06-07T18:29:41.221252+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Eagle Materials secures exclusive rights with Terra CO2 to produce low-carbon SCM in three regions

## Summary
- Eagle Materials entered exclusive agreements with Terra CO2 to build and operate plants producing low-carbon supplementary cementitious material (SCM) in three geographic areas.
- Each fully scaled plant could produce approximately 240,000 tons per year of SCM.
- First plant targeted for Greater Denver area to support Colorado's Buy Clean Colorado Act effective January 1, 2024.
- CEO Michael Haack says agreement addresses declining fly ash supply and supports low-carbon goals.

## SEC filing metadata
- accession: 0001193125-23-288858
- form_type: 8-K
- ticker: EXP
- cik: 0000918646
- company_name: EAGLE MATERIALS INC
- filed_at: 2023-12-05T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/918646/000119312523288858/0001193125-23-288858-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/918646/000119312523288858/d511651d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-288858
- JSON: https://secwatch.observer/filing/0001193125-23-288858.json
- Plain text: https://secwatch.observer/filing/0001193125-23-288858.txt

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