Mason Stephen M: insider trades.
Mason Stephen M reported 7 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 0 open-market purchases and 4 sales ($8.3M), across 1 company.
- Transactions
- 7
- Purchases (P)
- 0
- Sales (S)
- 4
- Companies
- 1
- Name as filed
- Mason Stephen M
Companies
| Company | Relationship | Transactions |
|---|---|---|
| Cardinal Health Inc (CAH) | Officer · CEO, GMPD Segment | 7 |
Transactions
| Date | Company | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-18 | Cardinal Health Inc | S | 10,876 | $236.5 | 30,890 | Form 4 |
| 2026-08-18 | Cardinal Health Inc | S | 12,829 | $237.26 | 18,061 | Form 4 |
| 2026-08-18 | Cardinal Health Inc | S | 3,100 | $234.59 | 49,961 | Form 4 |
| 2026-08-18 | Cardinal Health Inc | S | 8,195 | $235.62 | 41,766 | Form 4 |
| 2026-08-15 | Cardinal Health Inc | F | 25,289 | $235.17 | 53,061 | Form 4 |
| 2026-08-15 | Cardinal Health Inc | A | 5,868 | $0 | 78,350 | Form 4 |
| 2026-08-04 | Cardinal Health Inc | A | 46,992 | $0 | 72,482 | Form 4 |
Questions
What stock did Mason Stephen M buy or sell?
Mason Stephen M reported 7 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 0 open-market purchases and 4 sales ($8.3M), across 1 company.
Is Mason Stephen M the same person as other filers with this name?
This page covers SEC CIK 1786065 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.
Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.
Plain-text version for agents and LLMs: /insiders/mason-stephen-m-1786065.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.