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Sibold William John

Insider CIK 1518611 · MDGL President and CEO, Director

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11106$534.06 $56.6K202,801SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11120$546.38 $65.6K197,746SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11761$544.83 $414.6K197,866SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-111,539$544.02 $837.2K198,627SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-111,202$542.60 $652.2K200,166SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11368$541.64 $199.3K201,368SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11687$540.59 $371.4K201,736SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11160$537.62 $86.0K202,423SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11218$535.94 $116.8K202,583SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-1160$533.09 $32.0K202,907SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11120$546.38 $65.6K197,746SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11761$544.83 $414.6K197,866SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-111,539$544.02 $837.3K198,627SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-111,202$542.60 $652.2K200,166SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11368$541.64 $199.3K201,368SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11687$540.59 $371.4K201,736SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11160$537.62 $86.0K202,423SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11218$535.94 $116.8K202,583SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-11106$534.06 $56.6K202,801SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-112026-09-1160$533.09 $32.0K202,907SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11362$541.65 $196.1K203,127SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11505$540.19 $272.8K203,489SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11215$539.03 $115.9K203,994SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11520$538.30 $279.9K204,209SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11640$537.17 $343.8K204,729SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-111,040$536.11 $557.6K205,369SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11644$535.27 $344.7K206,409SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11396$534.20 $211.5K207,053SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11512$533.09 $272.9K207,449SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11368$531.99 $195.8K207,961SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11522$530.23 $276.8K208,329SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11347$529.27 $183.7K208,851SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11131$527.88 $69.2K209,198SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11160$542.55 $86.8K202,967SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11160$542.55 $86.8K202,967SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11362$541.65 $196.1K203,127SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11505$540.19 $272.8K203,489SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11215$539.03 $115.9K203,994SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11520$538.30 $279.9K204,209SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11640$537.17 $343.8K204,729SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-111,040$536.11 $557.6K205,369SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11644$535.27 $344.7K206,409SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11396$534.20 $211.5K207,053SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11512$533.09 $272.9K207,449SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11368$531.99 $195.8K207,961SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11522$530.23 $276.8K208,329SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11347$529.27 $183.7K208,851SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-09-092026-09-11131$527.88 $69.2K209,198SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20140$542.75 $76.0K211,689SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20110$543.79 $59.8K211,579SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20275$545.71 $150.1K210,759SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20269$547.08 $147.2K210,490SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20680$547.70 $372.4K209,810SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-2047$548.87 $25.8K209,763SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20153$550.01 $84.2K209,610SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-201$550.72 $551209,609SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20280$555.05 $155.4K209,329SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-07-202026-07-20545$544.71 $296.9K211,034SEC↗
MDGL MADRIGAL PHARMACEUTICALS, M Exercise deriv2026-07-172026-07-2050,000— $00SEC↗
MDGL MADRIGAL PHARMACEUTICALS, M Exercise2026-07-172026-07-2050,000— $0211,829SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-03-062026-03-061,663$431.94 $718.3K161,829SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award deriv2026-03-042026-03-0618,743— $018,743SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award2026-03-042026-03-0614,995— $0163,492SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2026-01-262026-01-261,577$492.42 $776.5K148,497SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2025-12-042025-12-042,400$575.34 $1.38M150,074SEC↗
MDGL MADRIGAL PHARMACEUTICALS, M Exercise deriv2025-12-032025-12-0450,000— $00SEC↗
MDGL MADRIGAL PHARMACEUTICALS, M Exercise2025-12-032025-12-0450,000— $0152,474SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2025-09-092025-09-097,279$445.63 $3.24M102,474SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2025-08-212025-08-211,131$401.00 $453.5K109,753SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2025-08-212025-08-216,485$400.03 $2.59M110,884SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award deriv2025-03-052025-03-0722,009— $022,009SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award2025-03-052025-03-0713,066— $0117,369SEC↗
MDGL MADRIGAL PHARMACEUTICALS, M Exercise deriv2025-02-272025-02-2850,000— $00SEC↗
MDGL MADRIGAL PHARMACEUTICALS, M Exercise2025-02-272025-02-2850,000— $0104,303SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2025-01-242025-01-271,584$335.24 $531.0K54,303SEC↗
MDGL MADRIGAL PHARMACEUTICALS, S Sale2024-09-092024-09-116,363$243.83 $1.55M55,887SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award deriv2024-01-232024-01-2518,459— $018,459SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award deriv2024-01-232024-01-2512,250— $012,250SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award2024-01-232024-01-2512,250— $062,250SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award deriv2023-09-112023-09-1350,000— $050,000SEC↗
MDGL MADRIGAL PHARMACEUTICALS, A Award2023-09-112023-09-1350,000— $050,000SEC↗