February 27, 2026 · Form 4 insider transaction
Imhoff John E bought 400,000 shares of GTHP, a transaction worth N/A. The trade was recorded as j and disclosed on an SEC Form 4.
On February 27, 2026, Mr. Imhoff converted 100 shares of Series E preferred stock into 400,000 shares of common stock. The Series E preferred stock had a stated value of $1,000 and $0.25 conversion price.