Brent D. Rosenthal

Companies

• Pitney BowesBoard member Jun 20, 2025 to now¹
• Horizon Kinetics Holding CorpBoard member Aug 9, 2024 to now²
• SYNTEC OPTICS HOLDINGS, INC.Board member May 23, 2023 to now³
• ComscoreBoard member Feb 2, 2016 to Jun 14, 2024⁴
• RiceBran TechnologiesBoard member Jul 27, 2016 to Jan 12, 2024⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Pitney Bowes PBI17,755 shares⁶$300.7K at $16.93Jun 18, 2026
• Comscore SCOR54,897 shares⁷$181.8K at $3.31Jun 12, 2024
• HKHorizon Kinetics Holding Corp HKHC4,450 shares⁸$90.8K at $20.40Aug 24, 2026
• RTRiceBran Technologies230,734 shares⁹Jan 12, 2024

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 24, 2026Bought 2,000 shares at $27.00 of Horizon Kinetics Holding Corp⁸
• Jun 18, 2026Exercised options 8,755 shares of Pitney Bowes⁶
• May 20, 2026Bought 700 shares at $27.85 of Horizon Kinetics Holding Corp¹⁰
• Mar 18, 2026Bought 750 shares at $33.05 of Horizon Kinetics Holding Corp¹¹
• Mar 13, 2026Bought 4,000 shares at $10.22 of Pitney Bowes¹²
• Nov 25, 2025Bought 1,500 shares at $10.00 of Pitney Bowes¹³
• Nov 25, 2025Bought 500 shares at $10.01 of Pitney Bowes¹³
• Nov 25, 2025Bought 300 shares at $27.28 of Horizon Kinetics Holding Corp¹⁴
• Sep 3, 2025Bought 3,000 shares at $11.97 of Pitney Bowes¹⁵
• Sep 2, 2025Bought 300 shares at $38.00 of Horizon Kinetics Holding Corp¹⁶
• Nov 19, 2024Bought 100 shares at $37.06 of Horizon Kinetics Holding Corp¹⁷
• Nov 14, 2024Bought 300 shares at $38.06 of Horizon Kinetics Holding Corp¹⁸
• Jun 12, 2024Exercised options 8,415 shares of Comscore⁷
• Jun 15, 2023Exercised options 100,000 shares of Comscore¹⁹
• Jun 15, 2022Exercised options 79,328 shares of Comscore²⁰

Trade performance

Returns are price-only (no dividends), measured from the trade date.