Stephen M. Mason

Stephen M. Mason, listed as chief executive, appears in our data through filings on Cardinal Health Inc shares, published by SEC (Form 4). The record holds 20 filings, for trades running from 3 August 2021 to 18 August 2026.

Sales make up the whole of the open-market record (4 sales, €7.1M). Outside the open market, there are 15 share grants and 1 option exercise. In 2026 alone, the filings show no purchases and 4 sales.

Most recently, on 20 August 2026, the filings show an open-market sale worth €628k in Cardinal Health Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.