---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-109251"
form_type: "8-K/A"
ticker: "CLB"
cik: "0001958086"
company_name: "Core Laboratories Inc. /DE/"
filed_at: "2026-03-17T23:59:59+00:00"
generated_at: "2026-05-15T11:02:15.672812+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Core Laboratories corrects Q4/FY2025 tax error; net income down $4.2M, EPS down $0.09

## Summary
- Income tax expense understated by $4.2M in Q4 and FY2025 due to tax reconciliation and fire-related insurance gain timing.
- Net income reduced by $4.2M; diluted EPS reduced by $0.09 for both Q4 and full year 2025.
- Revenue, operating income, and cash from operations unchanged.
- Also corrected immaterial 2024 balance sheet errors: $4.7M misclassification and $5.6M write-off of unrecoverable tax receivable.
- Revised financials expected in 10-K filing on or around March 17, 2026.

## SEC filing metadata
- accession: 0001193125-26-109251
- form_type: 8-K/A
- ticker: CLB
- cik: 0001958086
- company_name: Core Laboratories Inc. /DE/
- filed_at: 2026-03-17T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1958086/000119312526109251/0001193125-26-109251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1958086/000119312526109251/clb-20260204.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-109251
- JSON: https://secwatch.observer/filing/0001193125-26-109251.json
- Plain text: https://secwatch.observer/filing/0001193125-26-109251.txt

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