Insiders / Thompson H Brian
Thompson H Brian
CIK 1086564personinsider
Companies
4
First seen
Jan 5, 2015
Last activity
Dec 18, 2025
Holdings
4 companies · 4 positionsView all →
| Company / security | Shares held | Latest |
|---|---|---|
| GTT Communications, Inc. · GTT | 6,901,832 | — |
| Common stock | 6,901,832 | Jun 30, 2021 |
| Penske Automotive Group, Inc. · PAG | 118,008 | — |
| Common stock | 118,008 | Dec 16, 2025 |
| Pendrell Corp · PCO | 81,734 | — |
| Class A common stock | 89,234 | Apr 1, 2015 |
| Sonus Networks Inc · SONS | 138,928 | — |
| Common stock | 47,314 | Jun 15, 2015 |
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 |
|---|---|---|---|---|---|---|
| Jun 30, 2021 | Other Withheld for taxes | GTT GTT Communications, Inc. Common Stock, par value $.0001 per share | $13.2K | -5K -0.86% | 624,311 | low |
| Apr 1, 2015 | Grant Grant or award | PCO Pendrell Corp Class A Common Stock | $9.8K | +8K +9.18% | 89,234 | low |
| Jan 1, 2015 | Grant Grant or award | PCO Pendrell Corp Class A Common Stock | $9.7K | +7K |