Insider · CIK 0001348439
John E Imhoff
Files at GTHP (GUIDED THERAPEUTICS INC). First filing Apr 17, 2025, latest Sep 5, 2025.
John E Imhoff files SEC Form 4 as director and 10% owner at GTHP (GUIDED THERAPEUTICS INC). Since Apr 17, 2025, John E Imhoff has reported 3 open-market buys worth $283k and 0 open-market sells worth $0, the latest filed on Sep 5, 2025.
A track record needs three past buys with six months of prices behind them; John E Imhoff has 0, so none is measured yet.
The newest scored trade: bought $30k of GTHP on Aug 29, 2025, filed Sep 5, 2025, scored 23 (weak).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
GTHP: GUIDED THERAPEUTICS INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | GUIDED THERAPEUTICS INC | $30k 166,667 shares | +1% | - | |
| 37Weak | GUIDED THERAPEUTICS INC | $126k 1,263,069 shares | +8% | - | |
| 37Weak | GUIDED THERAPEUTICS INC | $126k 1,263,069 shares | +8% | - |
Transactions
The newest 50 of 56 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 26, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +2,157 | - | - | 21,055,256 | Apr 7, 2026 |
| Mar 26, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series F Stock | -10 | - | - | 0 | Apr 7, 2026 |
| Mar 26, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +40,000 | - | - | 21,095,256 | Apr 7, 2026 |
| Mar 31, 2026 | GTHP GUIDED THERAPEUTICS INC | CConversion Common Stock | +157,417 | $0.07 | $11k | 21,252,673 | Apr 7, 2026 |
| Mar 10, 2026 | GTHP GUIDED THERAPEUTICS INC | AGrant or award Stock Optionsderivative | +110,000 | $0.00 | $0 | 110,000 | Apr 7, 2026 |
| Mar 31, 2026 | GTHP GUIDED THERAPEUTICS INC | CConversion Convertible Promissory Notederivative | -157,417 | $0.07 | $11k | 110,000 | Apr 7, 2026 |
| Dec 18, 2025 | GTHP GUIDED THERAPEUTICS INC | CConversion Common Stock | +195,460 | $0.07 | $14k | 19,658,955 | Mar 12, 2026 |
| Jan 5, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +25,338 | - | - | 19,684,293 | Mar 12, 2026 |
| Feb 2, 2026 | GTHP GUIDED THERAPEUTICS INC | CConversion Common Stock | +312,720 | $0.07 | $22k | 19,997,013 | Mar 12, 2026 |
| Feb 25, 2026 | GTHP GUIDED THERAPEUTICS INC | XIn-the-money exercise Common Stock | +500,000 | - | - | 20,497,013 | Mar 12, 2026 |
| Feb 27, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series E Stock | -100 | - | - | 0 | Mar 12, 2026 |
| Feb 27, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +400,000 | - | - | 20,897,013 | Mar 12, 2026 |
| Feb 27, 2026 | GTHP GUIDED THERAPEUTICS INC | CConversion Common Stock | +156,086 | $0.07 | $11k | 21,053,099 | Mar 12, 2026 |
| Dec 18, 2025 | GTHP GUIDED THERAPEUTICS INC | CConversion Convertible Promissory Notederivative | -195,460 | - | - | 150,000 | Mar 12, 2026 |
| Feb 2, 2026 | GTHP GUIDED THERAPEUTICS INC | CConversion Convertible Promissory Notederivative | -312,720 | - | - | 130,000 | Mar 12, 2026 |
| Feb 25, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Warrantsderivative | -500,000 | - | - | 0 | Mar 12, 2026 |
| Feb 25, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Warrantsderivative | +500,000 | - | - | 500,000 | Mar 12, 2026 |
| Feb 25, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Warrantsderivative | -500,000 | - | - | 0 | Mar 12, 2026 |
| Feb 25, 2026 | GTHP GUIDED THERAPEUTICS INC | JOther Warrantsderivative | +500,000 | - | - | 500,000 | Mar 12, 2026 |
| Feb 25, 2026 | GTHP GUIDED THERAPEUTICS INC | XIn-the-money exercise Warrantsderivative | -500,000 | - | - | 0 | Mar 12, 2026 |
| Feb 27, 2026 | GTHP GUIDED THERAPEUTICS INC | CConversion Convertible Promissory Notederivative | -156,086 | $0.07 | $11k | 120,000 | Mar 12, 2026 |
| Aug 21, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +104,448 | - | - | 18,096,828 | Sep 5, 2025 |
| Aug 21, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series E Stock | -300 | - | - | 100 | Sep 5, 2025 |
| Aug 21, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +1,200,000 | - | - | 19,296,828 | Sep 5, 2025 |
| Aug 29, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Common Stock | +166,667 | $0.18 | $30k | 19,463,495 | Sep 5, 2025 |
| Aug 29, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Warrantsderivative | +166,667 | - | - | 191,667 | Sep 5, 2025 |
| Jun 3, 2025 | GTHP GUIDED THERAPEUTICS INC | AGrant or award Stock Optionsderivative | +110,000 | $0.00 | $0 | 110,000 | Jun 12, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series D Stock | -300 | - | - | 0 | May 23, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +900,000 | - | - | 9,662,756 | May 23, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series C2 Stock | -2,401 | - | - | 0 | May 23, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +4,801,500 | $0.50 | $2.4M | 14,464,256 | May 23, 2025 |
| Mar 7, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Preferred Series C Stock | +286 | - | - | 286 | May 23, 2025 |
| Mar 11, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series C Stock | -286 | - | - | 0 | May 23, 2025 |
| Mar 11, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +2,258,690 | $0.13 | $286k | 16,722,946 | May 23, 2025 |
| Mar 13, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Preferred Series E Stock | +150 | - | - | 400 | May 23, 2025 |
| Mar 18, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Common Stock | +1,000,000 | $0.10 | $100k | 17,722,946 | May 23, 2025 |
| Mar 18, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Common Stock | +263,069 | $0.10 | $26k | 17,986,015 | May 23, 2025 |
| Apr 10, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +6,365 | - | - | 17,992,380 | May 23, 2025 |
| Mar 18, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Warrantsderivative | +1,000,000 | - | - | 1,000,000 | May 23, 2025 |
| Mar 18, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Warrantsderivative | +263,069 | - | - | 1,263,069 | May 23, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series D Stock | -300 | - | - | 0 | Apr 17, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +900,000 | - | - | 9,662,756 | Apr 17, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series C2 Stock | -2,401 | - | - | 0 | Apr 17, 2025 |
| Mar 6, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +4,801,500 | $0.50 | $2.4M | 14,464,256 | Apr 17, 2025 |
| Mar 7, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Preferred Series C Stock | +286 | - | - | 286 | Apr 17, 2025 |
| Mar 11, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Preferred Series C Stock | -286 | - | - | 0 | Apr 17, 2025 |
| Mar 11, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +2,258,690 | $0.13 | $286k | 16,722,946 | Apr 17, 2025 |
| Mar 18, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Common Stock | +1,000,000 | $0.10 | $100k | 17,722,946 | Apr 17, 2025 |
| Mar 18, 2025 | GTHP GUIDED THERAPEUTICS INC | POpen-market purchase Common Stock | +263,069 | $0.10 | $26k | 17,986,015 | Apr 17, 2025 |
| Apr 10, 2025 | GTHP GUIDED THERAPEUTICS INC | JOther Common Stock | +6,365 | - | - | 17,992,380 | Apr 17, 2025 |
Questions about John E Imhoff
Answered from the filings on this page, as of the latest one.
Is John E Imhoff buying or selling?
Not in the last 12 months. John E Imhoff's latest open-market trade on SEC Form 4 was bought $30k of GTHP on Aug 29, 2025.
How did John E Imhoff's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John E Imhoff has 0.
Where does John E Imhoff file Form 4?
John E Imhoff has filed Form 4 at GTHP (GUIDED THERAPEUTICS INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.