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Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/Blumberg Richard P.

Blumberg Richard P.

Director

Director

Total trades

15

Bought (open market)

$0

Sold (open market)

$0

Tickers traded

1

Recent trades

Most recent Form 4 filings by Blumberg Richard P..

Blumberg Richard P.traded352,000 shares ofGTHPMar 26 · filed May 5Details
Blumberg Richard P.traded88 shares ofGTHPMar 26 · filed May 5Details
Blumberg Richard P.traded19,038 shares ofGTHPMar 26 · filed May 5Details
Blumberg Richard P.

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Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

traded

1,040,000 shares of

GTHP

Mar 26 · filed May 5Details

Blumberg Richard P.traded260 shares ofGTHPMar 26 · filed May 5Details

Blumberg Richard P.traded56,093 shares ofGTHPMar 26 · filed May 5Details

Blumberg Richard P.granted110,000 shares ofGTHPat $0Mar 10 · filed May 5Details

Blumberg Richard P.traded900,000 shares ofGTHPat $0.3$270KMar 1 · filed May 5Details

Blumberg Richard P.exercised1,000,000 shares ofGTHPFeb 25 · filed May 5Details

Blumberg Richard P.granted1,000,000 shares ofGTHPFeb 25 · filed May 5Details

Blumberg Richard P.traded1,000,000 shares ofGTHPFeb 25 · filed May 5Details

Blumberg Richard P.traded932,000 shares ofGTHPAug 21, 2025 · filed Sep 5, 2025Details

Blumberg Richard P.traded233 shares ofGTHPAug 21, 2025 · filed Sep 5, 2025Details

Blumberg Richard P.traded81,121 shares ofGTHPAug 21, 2025 · filed Sep 5, 2025Details

Blumberg Richard P.granted110,000 shares ofGTHPat $0Jun 3, 2025 · filed Sep 5, 2025Details

Blumberg Richard P.traded55,853 shares ofGTHPApr 10, 2025 · filed Sep 5, 2025Details

Blumberg Richard P.traded165,481 shares ofGTHPApr 10, 2025 · filed Sep 5, 2025Details

Blumberg Richard P.traded38,893 shares ofGTHPMar 26, 2024 · filed Apr 5, 2024Details

Blumberg Richard P.traded114,912 shares ofGTHPMar 26, 2024 · filed Apr 5, 2024Details

Blumberg Richard P.traded400,000 shares ofGTHPMar 1, 2024 · filed Mar 22, 2024Details