Leonard L Mazur
CIK 1463414 · Chief Executive Officer · last filed 2025-12-22
Leonard L Mazur is a Chief Executive Officer who has filed 37 SEC Form 4 insider transactions across 7 companies since 2009. The most recent filing, for CTOR, was dated Dec 22, 2025. Across all open-market trades the lifetime net is +$11.2M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $1.4M 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.
$1.35M
7
37
$11.17M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CTOR | Chief Executive Officer | 1,700,000 | $0.66 | $1.13M | $0 | 5 | 2025-12-22 |
| CTXR | Chief Executive Officer | 410,214 | $0.54 | $221.5K | $0 | 7 | 2025-09-23 |
| Canton Strategic Holdings, Inc. (THAR) Delisted | Director | — | $4.74 | — | $0 | 2 | 2024-08-12 |
| Canton Strategic Holdings, Inc. (HILS) Delisted | Director | 123,733 | $0.23 | $28.5K | $100.0K | 2 | 2022-03-23 |
| Citius Pharmaceuticals, Inc. (CTXRW) Delisted | Executive Chairman | 10,255,343 | $0.14 | $1.48M | $11.07M | 13 | 2021-10-13 |
| FC Global Realty Inc (PHMD) Delisted | Director | 7,534 | — | — | $0 | 4 | 2011-07-05 |
| FC Global Realty Inc (PHMDD) Delisted | Director | — | — | — | $0 | 2 | 2010-01-05 |
Recent Filings
37 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-22 | CTOR | Grant (A) | +1,700,000 | $0 | EDGAR |
| 2025-12-01 | CTOR | Grant (A) | +1,700,000 | $0 | EDGAR |
| 2025-09-23 | CTXR | Mixed | — | $0 | EDGAR |
| 2025-09-23 | CTOR | Grant (A) | +1,700,000 | $0 | EDGAR |
| 2024-12-16 | CTOR | Grant (A) | — | $0 | EDGAR |
| 2024-11-12 | CTXR | Grant (A) | — | $0 | EDGAR |
| 2024-09-27 | CTXR | Mixed | — | $0 | EDGAR |
| 2024-08-30 | CTOR | Grant (A) | — | $0 | EDGAR |
| 2024-08-14 | — | Grant (A) | — | $0 | |
| 2024-08-12 | Canton Strategic Holdings, Inc. (THAR) Delisted | Grant (A) | — | $0 | EDGAR |