InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Mason Stephen M, Chairman & CEO. Insider active across 2 companies, notably CARDINAL HEALTH INC. In total, 20 disclosures have been published. Split: 0 buy · 4 sells. Total volume traded: €7.1m. History available since 3 August 2021. The latest transaction was filed on 18 August 2026 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Mason Stephen M
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations20 total
3,100 shares@ US$234.59Common SharesSEC:0001786065-26-000003:0
8,195 shares@ US$235.62Common SharesSEC:0001786065-26-000003:1
10,876 shares@ US$236.50Common SharesSEC:0001786065-26-000003:2
12,829 shares@ US$237.26Common SharesSEC:0001786065-26-000003:3
5,868 shares0Common SharesSEC:0001786065-26-000002:0
25,289 shares@ US$235.170.011% mcap97.9% of flowCommon SharesSEC:0001786065-26-000002:1
46,992 shares0Common SharesSEC:0000721371-26-000031:0
595 shares@ US$212.26100.0% of flowCommon SharesSEC:0001786065-25-000005:0
8,957 shares0Common SharesSEC:0000721371-25-000097:0
54,537 shares0Common SharesSEC:0000721371-25-000084:0
5,694 shares@ US$167.1815.1% of flowCommon SharesSEC:0000721371-25-000064:0
20,667 shares@ US$106.3644.2% of flowCommon SharesSEC:0000721371-24-000077:0
45,958 shares0Common SharesSEC:0000721371-24-000066:0
25,701 shares@ US$92.9948.4% of flowCommon SharesSEC:0000721371-23-000072:0
38,282 shares0Common SharesSEC:0000721371-23-000046:0
4,688 shares@ US$71.437.4% of flowCommon SharesSEC:0000721371-22-000140:0
17,150 shares0Common SharesSEC:0000721371-22-000093:0
29,893 shares0Common SharesSEC:0000721371-22-000075:0
21,277 shares0Common SharesSEC:0000721371-21-000096:0
7,209 shares0Common SharesSEC:0000721371-21-000071:0
20 of 20 declarations
About Mason Stephen M
Mason Stephen M is President and Chief Executive Officer and appears in 13 filings. Across the 13 tracked filings, the modal transaction nature is Grant, with buy and sell amounts at EUR 0, and the covered period runs from 2021-08-05 to 2025-12-02. His main filings concern CARDINAL HEALTH INC and Cardinal Health INC.
