Mason Stephen M
CEO, GMPD Segment
Mason Stephen M has filed 5 SEC Form 4 filings (13 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Aug 20, 2026.
On the most recent filing, Mason Stephen M is listed as CEO, GMPD Segment at CARDINAL HEALTH INC. Inside the rolling window, Mason Stephen M reported no open-market purchases and 1 open-market sale totaling $8.3M in CAH.
Companies traded
Other insiders at CAH
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$8.3M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Mason Stephen M made?
Mason Stephen M has filed 5 SEC Form 4 filings (13 transaction rows) across 1 company since 2025.
Which companies does Mason Stephen M trade?
Mason Stephen M has filed SEC Form 4 disclosures for 1 company, including CAH.
When was Mason Stephen M's most recent SEC Form 4 filing?
Mason Stephen M's most recent SEC Form 4 filing on Tracefour is dated Aug 20, 2026.
What is Mason Stephen M's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Mason Stephen M is listed as CEO, GMPD Segment.
What is Mason Stephen M's total buy and sell value in the current window?
Inside the rolling retention window, Mason Stephen M bought $0 and sold $8.3M based on SEC Form 4 filings.
What was Mason Stephen M's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 35,000 CAH shares on 2026-08-18, worth $8.3M, per SEC Form 4 filings.