Otter Tail Corp (OTTR)
Latest OTTR Insider Trades
About Otter Tail Corp (OTTR)
Otter Tail Corp is a U.S. energy company that operates in the electric (produces and sells electricity), manufacturing (fabricates metal components), and plastics segments (pipes for water uses). The company conducts its operations and acquires the majority of its revenue in the U.S. in the states of Minnesota, South Dakota, and North Dakota. The majority of the company's revenue is derived from the Electric segment and commercial customers, although it generates revenue from residential and industrial customers, as well.
- FERGUS FALLS, MN
- 2,198
- 1972
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 4,225 | $394K |
| Bona-fide gift | 3 | 1,450 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
OTTR Insider Transactions (Form 4)
7432 Form 4 filings on record, the earliest from Apr 13, 2025, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Paul L. Knutson - Officer | Open-market sale | Common Stock | 250 |
Recent OTTR Form 8-K Filings
5Recent OTTR Form 144 Notices of Proposed Sale
1A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Paul Knutson | Officer | 3,500 | $328K | View on EDGAR |
OTTR Insider Trading - FAQ
What is the latest insider trade for OTTR?
Otter Tail Corp (OTTR) had 2 insider filings in the last 90 days, with the most recent on 2026-08-12. The full record for OTTR runs to 32 Form 4 filings, the earliest from 2025-04-13. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying OTTR stock?
No insider purchases of OTTR were filed in the last 90 days.
How many insiders are selling OTTR stock?
3 insider sales of OTTR were filed in the last 90 days, totaling $394K.
Where can I see OTTR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks OTTR Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow OTTR insider buys?
Create a free InsiderAlpha account and press Watch on this page to add OTTR to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Utilities Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Paul L. Knutson view on EDGAR
- - Paul L. Knutson view on EDGAR
- - Todd R. Wahlund view on EDGAR
- - Timothy J. Rogelstad view on EDGAR
- - Jennifer O. Smestad view on EDGAR
- - Tyler J. Nelson view on EDGAR
- - Kathryn O. Johnson view on EDGAR
- - Mary E. Ludford view on EDGAR
- - John D. Erickson view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Utilities
- Where OTTR's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track OTTR insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
