Stephen M Mason
CIK 1786065 · CEO, GMPD Segment · last filed 2025-12-02
Stephen M Mason is a CEO, GMPD Segment who has filed 15 SEC Form 4 insider transactions across 1 company since 2020. The most recent filing shows the insider had shares withheld for taxes covering $126.3K of CAH on Dec 2, 2025. Across all open-market trades the lifetime net is −$19.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.7M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$5.71M
1
15
-$19.55M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CAH | CEO, GMPD Segment | 25,490 | $223.85 | $5.71M | -$19.55M | 15 | 2025-12-02 |
Recent Filings
15 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-02 | CAH | Tax (F) | −595 | -$126.3K | EDGAR |
| 2025-08-19 | CAH | Mixed | −63,429 | -$10.82M | EDGAR |
| 2025-08-12 | CAH | Grant (A) | +54,537 | $0 | EDGAR |
| 2025-06-30 | CAH | Tax (F) | −5,694 | -$951.9K | EDGAR |
| 2024-08-19 | CAH | Mixed | −42,642 | -$6.29M | EDGAR |
| 2024-08-14 | CAH | Grant (A) | +45,958 | $0 | EDGAR |
| 2023-08-17 | CAH | Mixed | −49,927 | -$5.66M | EDGAR |
| 2023-08-08 | CAH | Grant (A) | +38,282 | $0 | EDGAR |
| 2022-11-09 | CAH | Mixed | −44,352 | -$3.81M | EDGAR |
| 2022-08-17 | CAH | Mixed | −5,429 | -$1.57M | EDGAR |