Charles Masters
CIK 1977908 · Senior Vice President · last filed 2026-06-02
Charles Masters is a Senior Vice President who has filed 16 SEC Form 4 insider transactions across 2 companies since 2023. The most recent filing shows the insider sold $130.8K of ATMUw on Jun 2, 2026. Across all open-market trades the lifetime net is −$130.8K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.2M 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.
$1.16M
2
16
-$130.8K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| Atmus Filtration Technologies Inc. (ATMUw) Delisted | Senior Vice President | 43,579 | — | — | -$130.8K | 12 | 2026-06-02 |
| ATMU | VP, Engine Products | 23,388 | $49.80 | $1.16M | $0 | 4 | 2024-03-05 |
Recent Filings
16 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-02 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Sell (S) | −2,890 | -$130.8K | EDGAR |
| 2026-04-02 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Grant (A) | +4,130 | $0 | EDGAR |
| 2026-03-03 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Tax (F) | −11,177 | -$721.3K | EDGAR |
| 2026-02-17 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Grant (A) | +21,152 | $0 | EDGAR |
| 2025-10-07 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Tax (F) | −28 | -$1.2K | EDGAR |
| 2025-04-03 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Grant (A) | +4,402 | $0 | EDGAR |
| 2025-03-05 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Tax (F) | −1,306 | -$52.0K | EDGAR |
| 2025-02-19 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Grant (A) | +2,252 | $0 | EDGAR |
| 2025-01-23 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Tax (F) | −20 | -$759 | EDGAR |
| 2024-10-07 | Atmus Filtration Technologies Inc. (ATMUw) Delisted | Mixed | +61 | -$987 | EDGAR |