Karsten Winther serves as Executive at Vertiv Holdings Co, where they oversee executive responsibilities. Since joining the company, Karsten Winther has executed 20 insider transactions totaling $9.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 18, 2025 involved receiving (via award) 1.78 shares valued at $0.
Karsten Winther currently holds 18,851.5 shares of Vertiv Holdings Co (VRT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Karsten Winther has been a net seller of VRT stock. They have purchased $0 and sold $9.2M worth of shares.
Karsten Winther's most recent insider trade was on Dec 18, 2025, when they sold 1.78 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Aug 14, 2025 | VRT | $5.6M | Sale | 41,654 | $134.21 | Discretionary |
| Aug 14, 2025 | VRT | $345.7K | Option Exercise | 4,795 | $72.09 | Discretionary |
| Aug 14, 2025 | VRT | $471.3K | Option Exercise | 29,756 | $15.84 | Discretionary |
| Aug 14, 2025 | VRT | $86.2K | Option Exercise | 7,000 | $12.32 | Discretionary |
| Aug 14, 2025 | VRT | $1.2K | Option Exercise | 103 | $12.05 | Discretionary |
| Sep 26, 2024 | VRT | $0 | Award | 1.38 | $N/A | Discretionary |
| Sep 3, 2024 | VRT | $1.0M | Sale | 12,886 | $78.08 | Planned |
| Sep 3, 2024 | VRT | $364.0K | Option Exercise | 30,204 | $12.05 | Planned |
| Sep 3, 2024 | VRT | $530.8K | Sale | 6,700 | $79.22 | Planned |
| Sep 3, 2024 | VRT | $520.8K | Sale | 6,500 | $80.12 | Planned |
| Sep 3, 2024 | VRT | $800.2K | Sale | 9,893 | $80.89 | Planned |
| Sep 3, 2024 | VRT | $735.7K | Sale | 8,945 | $82.25 | Planned |
| Jun 26, 2024 | VRT | $0 | Award | 1.35 | $N/A | Discretionary |
| May 4, 2024 | VRT | $88.4K | Payment | 950 | $93.01 | Discretionary |
| Apr 8, 2024 | VRT | $261.7K | Payment | 3,110 | $84.15 | Discretionary |
| Mar 28, 2024 | VRT | $0 | Award | 4.73 | $N/A | Discretionary |
| Dec 27, 2023 | VRT | $0 | Award | 7.65 | $N/A | Discretionary |
| Dec 15, 2022 | VRT | $0 | Award | 15.83 | $N/A | Discretionary |