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Otter Tail stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−4.4% to $78.44
Otter Tail (OTTR) stock fell 4% over the last 252 sessions, to $78.44. On the way it reported 4 quarters, its insiders filed 3 open-market trades and 1 Form 144 notice of planned sales, and the company filed 7 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 2, 2026 | Earnings | Earnings: missed the EPS estimate by -8.7% | +1.3% (+1.8% vs SPY) | −14.1% (−11.4% vs SPY) | — |
| Sep 1, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.0% (−0.3% vs SPY) | −0.4% (−0.2% vs SPY) | −2.7% (−2.4% vs SPY) |
| Aug 11, 2026 | Insider sale | Knutson Paul L sold $45K | +2.1% (+2.4% vs SPY) | +0.9% (+0.9% vs SPY) | −2.5% (−1.1% vs SPY) |
| Aug 10, 2026 | Insider sale | Knutson Paul L sold $23K | −1.5% (−1.5% vs SPY) | −0.4% (−0.8% vs SPY) | −3.4% (−2.4% vs SPY) |
| Aug 7, 2026 | Form 144 | Form 144: Paul Knutson plans to sell $328K | +0.8% (+0.2% vs SPY) | −0.2% (−1.4% vs SPY) | −3.0% (−3.2% vs SPY) |
| Aug 7, 2026 | Insider sale | Knutson Paul L sold $326K | +0.8% (+0.2% vs SPY) | −0.2% (−1.4% vs SPY) | −3.0% (−3.2% vs SPY) |
| Aug 3, 2026 | Earnings | Earnings: beat the EPS estimate by 10.9% | +1.9% (+0.5% vs SPY) | +5.9% (+2.4% vs SPY) | +2.9% (+0.2% vs SPY) |
| Jun 18, 2026 | 8-K | Material definitive agreement | +0.9% (−0.2% vs SPY) | +3.8% (+4.4% vs SPY) | +5.2% (+4.8% vs SPY) |
| Jun 5, 2026 | 8-K | New debt or off-balance-sheet obligation | +0.3% (+3.0% vs SPY) | +2.3% (+4.9% vs SPY) | +4.9% (+5.9% vs SPY) |
| May 29, 2026 | 8-K | Material definitive agreement | −0.7% (−1.0% vs SPY) | −0.9% (−1.3% vs SPY) | +1.8% (+3.4% vs SPY) |
| May 4, 2026 | Earnings | Earnings: beat the EPS estimate by 21.8% | −0.2% (+0.2% vs SPY) | −3.1% (−5.4% vs SPY) | −5.0% (−10.3% vs SPY) |
| Apr 14, 2026 | 8-K | Directors and officers: departures, appointments, pay | −3.9% (−5.1% vs SPY) | −5.1% (−8.4% vs SPY) | −2.4% (−9.7% vs SPY) |
| Mar 23, 2026 | 8-K | Material definitive agreement | +2.1% (+1.1% vs SPY) | +1.9% (+4.2% vs SPY) | +3.5% (−4.7% vs SPY) |
| Feb 16, 2026 | Earnings | Earnings: missed the EPS estimate by -3.7% | −1.7% (−1.8% vs SPY) | −3.1% (−3.2% vs SPY) | −0.8% (+0.8% vs SPY) |
| Dec 18, 2025 | 8-K | Directors and officers: departures, appointments, pay | −1.9% (−2.6% vs SPY) | −4.0% (−7.1% vs SPY) | +1.6% (+0.3% vs SPY) |
Insiders’ record here
In the year on the chart, Otter Tail's insiders reported 0 open-market buys ($0) and 3 sales ($394K).
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Otter Tail: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.