August 21, 2025 · Form 4 insider transaction
Blumberg Richard P. bought 932,000 shares of GTHP, a transaction worth N/A. The trade was recorded as j and disclosed on an SEC Form 4.
On August 21, 2025, Mr. Blumberg (WMB Pension Plan fbo Richard Blumberg) converted 233 shares of Series E preferred stock into 932,000 shares of common stock. The Series E preferred stock had a stated value of $1,000 and $0.25 exercise price.