Insiders / White Mark
White Mark
CIK 1916493personinsider
Companies
1
First seen
Sep 19, 2022
Last activity
Dec 23, 2025
Holdings
1 company · 3 positionsView all →
| Company / security | Shares held | Latest |
|---|---|---|
| Nexalin Technology, Inc. · NXL | 289,627 | — |
| Common stock | 289,627 | Sep 16, 2022 |
| Options | 2,387,024 | Dec 19, 2025 |
| Warrants | 25,000 | Sep 16, 2022 |
Ownership percentages elsewhere on the site count common and ordinary shares only, because that is what shares outstanding are measured in. Everything above is a real holding; not all of it is a share of the company.
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Sep 15, 2022 | Buy Open-market buy | NXL Nexalin Technology, Inc. Common Stock | $103.8K | +25K +8.80% | 309,127 | medium |
| Sep 15, 2022 | Buy Open-market buy | NXL Nexalin Technology, Inc. Common Stock | $103.8K | +25K +9.45% | 289,627 | medium |
| Sep 16, 2022 | Buy Open-market buy | NXL Nexalin Technology, Inc. Common Stock | $10.4K | +3K +0.87% | 289,627 | low |
| Feb 26, 2025 | Grant Grant or award | NXL Nexalin Technology, Inc. Stock Option (right to buy) | — | +940K +210.00% | 1,387,024 | low |