Insider · CIK 0002032625
Jonathan Anderman
Files at CMPX (Compass Therapeutics, Inc.). First filing Apr 8, 2025, latest Apr 30, 2026.
Jonathan Anderman files SEC Form 4 as officer at CMPX (Compass Therapeutics, Inc.). Since Apr 8, 2025, Jonathan Anderman has reported 2 open-market buys worth $78k and 0 open-market sells worth $0, the latest filed on Apr 30, 2026.
A track record needs three past buys with six months of prices behind them; Jonathan Anderman has 1, so none is measured yet.
The newest scored trade: bought $47k of CMPX on Apr 29, 2026, filed Apr 30, 2026, scored 50 (moderate). In the last 12 months: 1 buy worth $47k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CMPX: Compass 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 |
|---|---|---|---|---|---|
| 50Moderate | Compass Therapeutics, Inc. | $47k 25,000 shares | +15% | 0% from low-75% from high | |
| 46Moderate | Compass Therapeutics, Inc. | $31k 20,000 shares | +2000% | +16% from low-60% from high |
Transactions
Every row this insider has filed, 6 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Apr 29, 2026 | CMPX Compass Therapeutics, Inc. | POpen-market purchase Common Stock | +25,000 | $1.89 | $47k | 196,000 | Apr 30, 2026 |
| Apr 29, 2026 | CMPX Compass Therapeutics, Inc. | AGrant or award Common Stock | +25,000 | $1.89 | $47k | 196,000 | Apr 29, 2026 |
| Jan 2, 2026 | CMPX Compass Therapeutics, Inc. | AGrant or award Common Stock | +150,000 | $5.17 | $776k | 171,000 | Jan 5, 2026 |
| Jan 2, 2026 | CMPX Compass Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +720,000 | $0.00 | $0 | 720,000 | Jan 5, 2026 |
| Apr 7, 2025 | CMPX Compass Therapeutics, Inc. | POpen-market purchase Common Stock | +20,000 | $1.54 | $31k | 21,000 | Apr 8, 2025 |
| Feb 11, 2025 | CMPX Compass Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +280,000 | $0.00 | $0 | 280,000 | Feb 13, 2025 |
Questions about Jonathan Anderman
Answered from the filings on this page, as of the latest one.
Is Jonathan Anderman buying or selling?
In the last 12 months Jonathan Anderman reported 1 open-market buy worth $47k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $47k of CMPX on Apr 29, 2026. Grants, option exercises and tax withholding are not counted.
How did Jonathan Anderman's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Jonathan Anderman has 1.
Where does Jonathan Anderman file Form 4?
Jonathan Anderman has filed Form 4 at CMPX (Compass Therapeutics, Inc.) as General Counsel. 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.