---
schema_version: "secwatch.filing_event.v1"
accession: "0001466593-26-000068"
form_type: "8-K"
ticker: "OTTR"
cik: "0001466593"
company_name: "Otter Tail Corp"
filed_at: "2026-08-04T12:29:49+00:00"
generated_at: "2026-08-04T12:35:29.032219+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Otter Tail posts Q2 loss of $0.18/share on $103.5M antitrust settlement; cuts EPS guidance

## Summary
- Q2 2026 diluted loss per share $0.18; adjusted diluted EPS $1.66.
- Updated 2026 diluted EPS guidance to $3.84-$4.24 from $5.22-$5.62 due to $103.5M settlement charge.
- Initiated 2026 adjusted diluted EPS guidance $5.68-$6.08, above original guidance.
- Agreed to pay $103.5M to settle PVC pipe antitrust class actions; no admission of wrongdoing.
- Quarterly dividend $0.5775 per share, payable Sept 10, 2026 to holders of record Aug 14, 2026.

## SEC filing metadata
- accession: 0001466593-26-000068
- form_type: 8-K
- ticker: OTTR
- cik: 0001466593
- company_name: Otter Tail Corp
- filed_at: 2026-08-04T12:29:49+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000068/0001466593-26-000068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000068/ottr-20260803.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001466593-26-000068
- JSON: https://secwatch.observer/filing/0001466593-26-000068.json
- Plain text: https://secwatch.observer/filing/0001466593-26-000068.txt

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