---
schema_version: "secwatch.filing_event.v1"
accession: "0001466593-26-000049"
form_type: "8-K"
ticker: "OTTR"
cik: "0001466593"
company_name: "Otter Tail Corp"
filed_at: "2026-05-05T23:59:59+00:00"
generated_at: "2026-05-14T23:20:01.848208+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Otter Tail Q1 EPS $1.73, reaffirms FY26 guidance $5.22-$5.62, declares $0.5775 dividend

## Summary
- Q1 2026 diluted EPS $1.73; FY2026 guidance affirmed at $5.22-$5.62 per share.
- Electric segment net income $35.3M (+42.7% YoY); Manufacturing $4.3M (+179.6%); Plastics $32.9M (-24.2%).
- Quarterly dividend $0.5775/share, payable June 10, 2026 to holders of record May 15, 2026.
- Cash from operations $70.6M (vs $39.5M); issued $100M long-term debt by Otter Tail Power.
- Plastics revenue down 13.5% on 19% lower average sales price, partially offset by 7% volume increase.

## SEC filing metadata
- accession: 0001466593-26-000049
- form_type: 8-K
- ticker: OTTR
- cik: 0001466593
- company_name: Otter Tail Corp
- filed_at: 2026-05-05T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000049/0001466593-26-000049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000049/ottr-20260504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001466593-26-000049
- JSON: https://secwatch.observer/filing/0001466593-26-000049.json
- Plain text: https://secwatch.observer/filing/0001466593-26-000049.txt

## Source-grounded claims
- claim_id: e891de967c38c1a8329f5e19bd521f85d57401c8
  claim: Otter Tail Corp reported first quarter of 2026 results: EPS $1.73. Guidance reaffirmed.
  evidence_excerpt: Produced diluted earnings per share of $1.73 in the first quarter of 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000049/0001466593-26-000049-index.htm

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