Otter Tail Corp
OTTR · Electric Services
Latest available SEC filing: 10-Q ·
Latest disclosures
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Latest financial period: Q3 2026
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Knutson Paul L: Form 4
Insider disclosure · Filed · Report period 10 Aug 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- OTTR · 689648103 - COMMON STOCK
Company details and SEC sources
CIK 0001466593 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- OTTR on Nasdaq
- SEC industry group
- Electric Services (Office of Energy and Transportation)
- Business address
- 215 S Cascade St, Po Box 496, Fergus Falls, MN, 56538-0496
- Incorporated in
- MN
- Fiscal year end
- 31 December
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields