Skip to contentWinther Karsten — Vertiv Holdings Co insider: 41 transactions · InsiderLensInsider trading activity of Winther Karsten
- Transactions on record
- 41
- since Mar 18, 2022
- Open-market buys
- 0
- Open-market sells
- 9
- $14.9M
- Companies traded
- 1
- last filing Dec 19, 2025
Figures computed from official regulatory filings — methodology.
Companies where Winther Karsten has traded
Track record of Winther Karsten
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Winther Karsten
Co-insiders of Winther Karsten
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Cote SPAC 1 LLCVertiv Holdings Co
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Dec 19, 2025 | Award | 1.78 | 0.00 USD | $0 | SEC |
| Sep 26, 2025 | Award | 1.32 | 0.00 USD | $0 | SEC |
| Aug 14, 2025 | ExerciseD | -103 | 0.00 USD | $0 | SEC |
| Aug 14, 2025 | ExerciseD | -7,000 | 0.00 USD | $0 | SEC |
| Aug 14, 2025 | Exercise | 29,756 | 15.84 USD | $471.3K | SEC |
| Aug 14, 2025 | Exercise | 7,000 | 12.32 USD | $86.2K | SEC |
| Aug 14, 2025 | Sell | -41,654 | 134.21 USD | $5.6M | SEC |
| Aug 14, 2025 | Exercise | 4,795 | 72.09 USD | $345.7K | SEC |
| Aug 14, 2025 | Exercise | 103 | 12.05 USD | $1.2K | SEC |
| Aug 14, 2025 | ExerciseD | -4,795 | 0.00 USD | $0 | SEC |
| Aug 14, 2025 | ExerciseD | -29,756 | 0.00 USD | $0 | SEC |
| Jun 27, 2025 | Award | 1.56 | 0.00 USD | $0 | SEC |
| May 9, 2025 | ExerciseD | -9,500 | 0.00 USD | $0 | SEC |
| May 9, 2025 | ExerciseD | -5,500 | 0.00 USD | $0 | SEC |
| May 9, 2025 | Sell | -5,500 | 94.33 USD | $518.8K | SEC |
| May 9, 2025 | Sell | -1,200 | 96.60 USD | $115.9K | SEC |
| May 9, 2025 | Exercise | 9,500 | 12.05 USD | $114.5K | SEC |
| May 9, 2025 | Exercise | 53,000 | 12.32 USD | $653K | SEC |
| May 9, 2025 | Sell | -53,000 | 96.50 USD | $5.1M | SEC |
| May 9, 2025 | Exercise | 5,500 | 12.05 USD | $66.3K | SEC |
| May 9, 2025 | ExerciseD | -53,000 | 0.00 USD | $0 | SEC |
| Mar 28, 2025 | Award | 2.14 | 0.00 USD | $0 | SEC |
| Mar 11, 2025 | AwardD | 18,404 | 0.00 USD | $0 | SEC |
| Dec 19, 2024 | Award | 1.41 | 0.00 USD | $0 | SEC |
| Sep 26, 2024 | Award | 1.38 | 0.00 USD | $0 | SEC |