Company profile
Otter Tail Corp Insider Trading
OTTREvery SEC Form 4 insider trading filing for Otter Tail Corp (OTTR) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Electric Services
- CIK
- 0001466593
- Filings
- 78
- Insiders
- 19
- Last filing
- 2026-08-11
Activity summary
No insider transactions in the last 30 days. The most recent was on August 11, 2026, when Paul L Knutson sold 475 shares. 78 filings from 19 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Otter Tail Corp insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $10.5M.
90 day insight
Over the last 90 days, Otter Tail Corp insiders sold $394K across 3 transactions with no open-market purchases.
- Most active insider: Paul L Knutson with 6 transactions totaling $394K.
- Largest single sale: $326K by Paul L Knutson on Aug 7, 2026.
Activity skews bearish: sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | Paul L Knutson | OTTR | Sale | 475 | $94.63 | $45K |
| Aug 10, 2026 | Paul L Knutson | OTTR | Sale | 250 | $92.84 | $23K |
| Aug 7, 2026 | Paul L Knutson | OTTR | Sale | 3,500 | $93.11 | $326K |
| Aug 7, 2026 | Paul L Knutson | OTTR | Gift | 725 | — | — |
| Aug 7, 2026 | Paul L Knutson | OTTR | Gift | 475 | — | — |
45 more transactions hidden
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By total value filed.
Institutional Ownership
Top 13F-HR holders of Otter Tail Corp as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →