Catherine M. Szyman
CIK 1438538 · CEO · last filed 2026-03-16
Catherine M. Szyman is a CEO who has filed 115 SEC Form 4 insider transactions across 5 companies since 2008. The most recent filing, for MASI, was dated Mar 16, 2026. Across all open-market trades the lifetime net is −$46.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $11.5M 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.
$11.52M
5
115
-$46.57M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MASI | CEO | 8,674 | $179.95 | $1.56M | $0 | 5 | 2026-03-16 |
| Inari Medical, Inc. (NARI) Delisted | Director | 0 | $79.97 | $0 | $533.7K | 8 | 2025-02-19 |
| EW | CVP, Critical Care | 81,287 | $85.11 | $6.92M | -$42.15M | 88 | 2024-09-03 |
| OM | Director | 24,596 | $4.49 | $110.4K | $0 | 4 | 2023-05-31 |
| MDT | SrVP & Pres Diabetes | 36,521 | $80.20 | $2.93M | -$4.95M | 10 | 2014-03-21 |
Recent Filings
115 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-16 | MASI | Mixed | +1,032 | -$187.6K | EDGAR |
| 2026-03-10 | MASI | Grant (A) | — | $0 | EDGAR |
| 2026-02-13 | MASI | Mixed | +6,573 | $1.48M | EDGAR |
| 2025-03-13 | MASI | Grant (A) | — | $0 | EDGAR |
| 2025-02-19 | Inari Medical, Inc. (NARI) Delisted | Mixed | −22,429 | $0 | EDGAR |
| 2025-02-14 | MASI | Grant (A) | — | $0 | EDGAR |
| 2024-09-03 | EW | Mixed | +5,380 | -$386.9K | EDGAR |
| 2024-07-08 | EW | Tax (F) | −258 | -$23.8K | EDGAR |
| 2024-05-31 | Inari Medical, Inc. (NARI) Delisted | Grant (A) | +4,126 | $175.0K | EDGAR |
| 2024-05-13 | EW | Tax (F) | −827 | -$71.7K | EDGAR |