SEC Insider Transactions from Mason Stephen M.

Last updated: 2026-03-14 11:38 UTC | Total transactions: 24

Mason Stephen M, CEO of Cardinal Health's GMPD Segment, sold $6.2 million in CAH shares across three open market transactions in the past year, with his latest on August 19, 2025. These sales rank him 1,657th out of 11,678 insiders by total value, trailing the average of $8.6 million over 6.4 trades. He reported no open market purchases.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Dec. 1, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment F Common Shares 595 $212.26 25,490.0000 239,000,000 2.28% 0.00%
Aug. 15, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment F Common Shares 30811 $150.22 67,660.0000 242,000,000 31.29% 0.01%
Aug. 19, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment S Common Shares 2997 $147.87 64,663.0000 242,000,000 4.43% 0.00%
Aug. 19, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment S Common Shares 34411 $148.83 30,252.0000 242,000,000 53.22% 0.01%
Aug. 19, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment S Common Shares 4167 $149.39 26,085.0000 242,000,000 13.77% 0.00%
Aug. 15, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment A Common Shares 8957 $0.00 98,471.0000 242,000,000 10.01% 0.00%
Aug. 12, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment A Common Shares 54537 $0.00 89,514.0000 242,000,000 155.92% 0.02%
June 30, 2025 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment F Common Shares 5694 $167.18 34,977.0000 243,000,000 14.00% 0.00%
Aug. 15, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment A Common Shares 12047 $0.00 74,693.0000 247,000,000 19.23% 0.00%
Aug. 16, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment F Common Shares 1985 $107.91 72,708.0000 247,000,000 2.66% 0.00%
Aug. 19, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment M Common Shares 5990 $84.27 78,698.0000 247,000,000 8.24% 0.00%
Aug. 19, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment M Common Shares 8971 $83.19 87,669.0000 247,000,000 11.40% 0.00%
Aug. 19, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment S Common Shares 46598 $109.21 41,071.0000 247,000,000 53.15% 0.02%
Aug. 19, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment S Common Shares 400 $109.70 40,671.0000 247,000,000 0.97% 0.00%
Aug. 19, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment M Employee Stock Option (right to buy) 5990 $0.00 0.0000 247,000,000 100.00% 0.00%
Aug. 19, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment M Employee Stock Option (right to buy) 8971 $0.00 0.0000 247,000,000 100.00% 0.00%
Aug. 15, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment F Common Shares 20667 $106.36 62,646.0000 247,000,000 24.81% 0.01%
Aug. 13, 2024 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, GMPD Segment A Common Shares 45958 $0.00 83,313.0000 247,000,000 123.03% 0.02%
Aug. 16, 2023 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, Medical Segment A Common Shares 13274 $0.00 74,855.0000 262,000,000 21.56% 0.01%
Aug. 17, 2023 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, Medical Segment S Common Shares 10995 $86.40 63,860.0000 262,000,000 14.69% 0.00%
Aug. 15, 2023 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, Medical Segment F Common Shares 25701 $92.99 61,581.0000 262,000,000 29.45% 0.01%
Aug. 17, 2023 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, Medical Segment S Common Shares 7977 $88.42 37,355.0000 262,000,000 17.60% 0.00%
Aug. 17, 2023 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, Medical Segment S Common Shares 18528 $87.40 45,332.0000 262,000,000 29.01% 0.01%
Aug. 7, 2023 CARDINAL HEALTH INC $CAH Mason Stephen M CEO, Medical Segment A Common Shares 38282 $0.00 87,282.0000 262,000,000 78.13% 0.01%