 Otter Tail CorporationOTTR | --800 shares | Grant / ExerciseFeb 10, 2026 | Disclosure amount unavailable800 shares | -- | -- |
| Otter Tail CorporationOTTR | --175 shares | Grant / ExerciseFeb 6, 2026 | Disclosure amount unavailable175 shares | -- | -- |
| Otter Tail CorporationOTTR | --200 shares | Grant / ExerciseFeb 6, 2026 | Disclosure amount unavailable200 shares | -- | -- |
| Otter Tail CorporationOTTR | --300 shares | Grant / ExerciseFeb 6, 2026 | Disclosure amount unavailable150 shares | -- | -- |
| Otter Tail CorporationOTTR | --23.3k shares | Grant / ExerciseFeb 6, 2026 | Disclosure amount unavailable700 shares | -- | -- |
| Otter Tail CorporationOTTR | $2.0M23k shares | Grant / ExerciseFeb 6, 2026 | $24.5K279 shares | $87.83 | -- |
| Otter Tail CorporationOTTR | $1.9M23.9k shares | Grant / ExerciseFeb 12, 2025 | $245.2K3.1k shares | $79.62 | -- |
| Otter Tail CorporationOTTR | $1.8M22.5k shares | Grant / ExerciseFeb 12, 2025 | $110.7K1.4k shares | $79.62 | -- |
| Otter Tail CorporationOTTR | --700 shares | Grant / ExerciseFeb 11, 2025 | Disclosure amount unavailable700 shares | -- | -- |
| Otter Tail CorporationOTTR | --250 shares | Grant / ExerciseFeb 6, 2025 | Disclosure amount unavailable250 shares | -- | -- |
| Otter Tail CorporationOTTR | --175 shares | Grant / ExerciseFeb 6, 2025 | Disclosure amount unavailable175 shares | -- | -- |
| Otter Tail CorporationOTTR | --400 shares | Grant / ExerciseFeb 6, 2025 | Disclosure amount unavailable200 shares | -- | -- |
| Otter Tail CorporationOTTR | --450 shares | Grant / ExerciseFeb 6, 2025 | Disclosure amount unavailable150 shares | -- | -- |
| Otter Tail CorporationOTTR | --21.2k shares | Grant / ExerciseFeb 6, 2025 | Disclosure amount unavailable775 shares | -- | -- |
| Otter Tail CorporationOTTR | $1.6M20.8k shares | Grant / ExerciseFeb 6, 2025 | $24.5K310 shares | $78.99 | -- |