Insiders / Rosenthal Brent D
Rosenthal Brent D
CIK 1443849personinsider
Companies
3
First seen
Feb 23, 2026
Last activity
Mar 19, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Pitney Bowes Inc /De/ · PBI | 9,000 | — |
| Horizon Kinetics Holding Corp · HKHC | 1,750 | — |
| Syntec Optics Holdings, Inc. · OPTX | — | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Horizon Kinetics Holding Corp | Common Stock | 1,750 |
| Pitney Bowes Inc /De/ | Common Stock | 9,000 |
| Syntec Optics Holdings, Inc. | Restricted Stock UnitsDerivative | 101,966 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 13, 2026 | Buy | PBI Pitney Bowes Inc /De/ Common Stock | $40.9K | +4K +80.00% | 9,000 <0.01% of shares | low |
| Mar 18, 2026 | Buy | HKHC Horizon Kinetics Holding Corp Common Stock | $24.8K | +750 +75.00% | 1,750 <0.01% of shares | low |
| Feb 20, 2026 | Grant | OPTX Syntec Optics Holdings, Inc. Restricted Stock Units | — | +25K +31.88% | 101,966 0.25% of shares | low |