InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (15 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
15
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Sibold William John, Chief Executive Officer. Officer active across 1 company, notably Madrigal Pharmaceuticals, INC.. Aggregated, 22 reports have been recorded. Breakdown: 0 buy · 15 sells. Total volume traded: €8.8m. History available since 11 September 2023. The latest transaction was disclosed on 20 July 2026 (Cession). Regulator: SEC (Form 4). All data is free.
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Declarations22 total
50,000 sharesCommon StockSEC:0001628280-26-048919:0
680 shares@ US$547.6980.0029% mcap3.7% of flowCommon StockSEC:0001628280-26-048919:6
545 shares@ US$544.7140.0023% mcap3.0% of flowCommon StockSEC:0001628280-26-048919:3
269 shares@ US$547.07880.0012% mcap1.5% of flowCommon StockSEC:0001628280-26-048919:5
1 shares@ US$550.720.0000% mcap0.0% of flowCommon StockSEC:0001628280-26-048919:9
140 shares@ US$542.74590.0006% mcap0.8% of flowCommon StockSEC:0001628280-26-048919:1
110 shares@ US$543.79290.0005% mcap0.6% of flowCommon StockSEC:0001628280-26-048919:2
275 shares@ US$545.70920.0012% mcap1.5% of flowCommon StockSEC:0001628280-26-048919:4
47 shares@ US$548.87190.0002% mcap0.3% of flowCommon StockSEC:0001628280-26-048919:7
153 shares@ US$550.01380.0007% mcap0.8% of flowCommon StockSEC:0001628280-26-048919:8
280 shares@ US$555.050.0012% mcap1.5% of flowCommon StockSEC:0001628280-26-048919:10
14,995 shares0Common StockSEC:0001628280-26-015769:0
1,577 shares@ US$492.428.6% of flowCommon StockSEC:0001628280-26-003468:0
50,000 sharesCommon StockSEC:0001628280-25-055430:0
7,279 shares@ US$445.630.023% mcap50.0% of flowCommon StockSEC:0001518611-25-000009:0
6,485 shares@ US$400.034732.3% of flowCommon StockSEC:0001518611-25-000007:0
13,066 shares0Common StockSEC:0001628280-25-011410:0
50,000 sharesCommon StockSEC:0001628280-25-009091:0
1,584 shares@ US$335.246.8% of flowCommon StockSEC:0001628280-25-002666:0
6,363 shares@ US$243.8318.8% of flowCommon StockSEC:0000950170-24-105650:0
12,250 shares0Common StockSEC:0000950170-24-007347:0
50,000 shares0Common StockSEC:0000950170-23-047950:0
22 of 22 declarations
About Sibold William John
Sibold William John is Directeur Général and President and CEO at Madrigal Pharmaceuticals, INC. He has 22 filings in total, and in the recent sampled filings covered from 2023-09-13 to 2026-07-20, the transactions are all sales for a total of EUR 8772235.
