The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Fortune's[2][3] article is dated "June 3, 2026, 6:30 AM ET" and reports "a record 55 women lead Fortune 500 companies in 2026".
One of the transitions still to come in 2026: Dow's COO Karen Carter becomes CEO on 1 July.[1]
The 2023 baseline: 52 women CEOs, 10.4%, the first list above 10%.[1]
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