Rosenthal Brent D — SEC Form 4 filings
SEC reporting owner CIK 1443849. 16 Form 4 filings on record with FilingPulse; latest filed 2026-08-25.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-06-14 to 2026-08-25. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 11 legs across 10 filings — 13,450 shares, $229,803 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: purchase of 2,000 shares @ $27.00 ($54,000) in Horizon Kinetics Holding Corp, filed 2026-08-25.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Horizon Kinetics Holding Corp (HKHC) | Director | 7 | 7 legs · 4,450 sh · $132,990 | — | — |
| PITNEY BOWES INC /DE/ (PBI) | Director | 6 | 4 legs · 9,000 sh · $96,812 | — | 5 |
| COMSCORE, INC. (SCOR) | Director | 1 | — | — | 2 |
| SYNTEC OPTICS HOLDINGS, INC. (OPTX) | Director | 2 | — | — | 2 |
Form 4 filings — Rosenthal Brent D
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-25 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 2,000 @ $27 | EDGAR |
| 2026-06-22 | 4 | PITNEY BOWES INC /DE/ (PBI) | Option exercise (M): 8,755 @ $0 · Option exercise (M): 8,755 (derivative) @ $0 | EDGAR |
| 2026-05-21 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 700 @ $27.85 | EDGAR |
| 2026-05-14 | 4 | PITNEY BOWES INC /DE/ (PBI) | Grant/award (A): 6,532 (derivative) @ $0 · Grant/award (A): 18,159 (derivative) @ $0 | EDGAR |
| 2026-03-19 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 750 @ $33.05 | EDGAR |
| 2026-03-17 | 4 | PITNEY BOWES INC /DE/ (PBI) | Purchase (P): 4,000 @ $10.22 | EDGAR |
| 2026-02-23 | 4 | SYNTEC OPTICS HOLDINGS, INC. (OPTX) | Grant/award (A): 24,646 (derivative) | EDGAR |
| 2025-11-26 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 300 @ $27.28 | EDGAR |
| 2025-11-25 | 4 | PITNEY BOWES INC /DE/ (PBI) | Purchase (P): 500 @ $10.01 · Purchase (P): 1,500 @ $10 | EDGAR |
| 2025-10-08 | 4 | SYNTEC OPTICS HOLDINGS, INC. (OPTX) | Grant/award (A): 77,320 (derivative) | EDGAR |
| 2025-09-05 | 4 | PITNEY BOWES INC /DE/ (PBI) | Purchase (P): 3,000 @ $11.97 | EDGAR |
| 2025-09-03 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 300 @ $38 | EDGAR |
| 2025-06-20 | 4 | PITNEY BOWES INC /DE/ (PBI) | Grant/award (A): 8,755 (derivative) @ $0 | EDGAR |
| 2024-11-20 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 100 @ $37.06 | EDGAR |
| 2024-11-15 | 4 | Horizon Kinetics Holding Corp (HKHC) | Purchase (P): 300 @ $38.06 | EDGAR |
| 2024-06-14 | 4 | COMSCORE, INC. (SCOR) | Option exercise (M): 8,415 @ $0 · Option exercise (M): 8,415 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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