Insiders / Stolper Mark
Stolper Mark
CIK 1281961personinsider
Companies
2
First seen
Jan 12, 2026
Last activity
Mar 5, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| RadNet, Inc. · RDNT | 121,943 | — |
| Oncology Institute, Inc. · TOI | — | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| RadNet, Inc. | Common Stock | 121,943 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 3, 2026 | Grant | RDNT RadNet, Inc. Common Stock | $0 | +18K +17.58% | 121,943 0.15% of shares | low |