SEC Insider Transactions from Winther Karsten.

Last updated: 2026-03-14 11:41 UTC | Total transactions: 39

Winther Karsten, President of EMEA at Vertiv Holdings Co ($VRT), sold shares on the open market four times in the last year, totaling $11.3 million. His most recent sale occurred on August 14, 2025. These transactions rank him 1026th among over 11,700 insiders by sale value, surpassing the average of $8.6 million per seller across about 6.4 trades. He made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Dec. 18, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 2 $0.00 18,851.5000 390,928,669 0.01% 0.00%
Sept. 25, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 1 $0.00 18,849.7200 386,325,058 0.01% 0.00%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 29756 $15.84 55,707.4000 386,325,058 114.66% 0.01%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 4795 $72.09 60,502.4000 386,325,058 8.61% 0.00%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 41654 $134.21 18,848.4000 386,325,058 68.85% 0.01%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 103 $0.00 0.0000 386,325,058 100.00% 0.00%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 7000 $0.00 0.0000 386,325,058 100.00% 0.00%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 29756 $0.00 29,757.0000 386,325,058 50.00% 0.01%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 4795 $0.00 14,386.0000 386,325,058 25.00% 0.00%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 103 $12.05 18,951.4000 386,325,058 0.55% 0.00%
Aug. 14, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 7000 $12.32 25,951.4000 386,325,058 36.94% 0.00%
June 26, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 2 $0.00 18,848.4000 386,325,058 0.01% 0.00%
May 8, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 53000 $12.32 71,846.8400 386,325,058 281.21% 0.01%
May 8, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 53000 $96.50 18,846.8400 386,325,058 73.77% 0.01%
May 9, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 5500 $12.05 24,346.8400 386,325,058 29.18% 0.00%
May 9, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 5500 $94.33 18,846.8400 386,325,058 22.59% 0.00%
May 8, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 9500 $0.00 5,603.0000 386,325,058 62.90% 0.00%
May 8, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 53000 $0.00 7,000.0000 386,325,058 88.33% 0.01%
May 9, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 5500 $0.00 103.0000 386,325,058 98.16% 0.00%
May 8, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 1200 $96.60 18,846.8400 386,325,058 5.99% 0.00%
May 8, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 9500 $12.05 20,046.8400 386,325,058 90.07% 0.00%
March 27, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 2 $0.00 10,546.8400 386,325,058 0.02% 0.00%
March 7, 2025 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Stock Options 18404 $0.00 18,404.0000 386,325,058 9999.99% 0.00%
Dec. 19, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 1 $0.00 10,544.7000 386,106,229 0.01% 0.00%
Sept. 26, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 1 $0.00 10,543.2900 386,226,267 0.01% 0.00%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 6700 $79.22 35,879.9100 386,226,267 15.74% 0.00%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 6500 $80.12 29,379.9100 386,226,267 18.12% 0.00%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 9893 $80.89 19,486.9100 386,226,267 33.67% 0.00%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 8945 $82.25 10,541.9100 386,226,267 45.90% 0.00%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Stock Options 30204 $0.00 0.0000 386,226,267 100.00% 0.01%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA S Class A Common Stock 12886 $78.08 42,579.9100 386,226,267 23.23% 0.00%
Sept. 3, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA M Class A Common Stock 30204 $12.05 55,465.9100 386,226,267 119.56% 0.01%
June 26, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 1 $0.00 25,261.9100 386,226,267 0.01% 0.00%
May 4, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA F Class A Common Stock 950 $93.01 25,260.5600 386,226,267 3.62% 0.00%
April 8, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA F Class A Common Stock 3110 $84.15 26,211.2600 386,226,267 10.61% 0.00%
March 28, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 5 $0.00 29,321.8000 386,226,267 0.02% 0.00%
March 7, 2024 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Stock Options 19181 $0.00 19,181.0000 386,226,267 9999.99% 0.00%
Dec. 27, 2023 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Class A Common Stock 8 $0.00 29,317.0700 378,224,051 0.03% 0.00%
March 7, 2023 Vertiv Holdings Co $VRT Winther Karsten President, EMEA A Stock Options 59513 $0.00 59,513.0000 378,224,051 9999.99% 0.02%