Greedy Insider
CMPX Insider Trades and Greediness Scores
Compass Therapeutics, Inc. (CMPX) insider trades: since Jan 2, 2026, Greedy Insider recorded 8 open-market buys and 2 sales on Form 4 from 4 insiders. The strongest recent filing scored 88 (Strong).
Who bought and who sold
Across the last 10 scoreable Form 4 transactions in CMPX, 8 were open-market purchases and 2 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Lerner Neil | Chief Accounting Officer | Buy | 20000.0 | 18400.0 | 2026-10-01 | 61 | View |
| Lerner Neil | Chief Accounting Officer | Buy | 2500.0 | 2850.0 | 2026-09-24 | 54 | View |
| Lerner Neil | Chief Accounting Officer | Buy | 15000.0 | 28350.0 | 2026-04-29 | 62 | View |
| Anderman Jonathan | General Counsel | Buy | 25000.0 | 47250.0 | 2026-04-29 | 47 | View |
| Schuetz Thomas J. | CEO | Sell | 36687.0 | 239199.23 | 2026-02-08 | 62 | View |
| Schuetz Thomas J. | CEO | Sell | 46777.0 | 250256.95 | 2026-01-09 | 62 | View |
| Anderman Jonathan | General Counsel | Buy | 150000.0 | 775500.0 | 2026-01-02 | 71 | View |
| Lerner Neil | Chief Accounting Officer | Buy | 62500.0 | 323125.0 | 2026-01-02 | 88 | View |
| Schuetz Thomas J. | CEO | Buy | 250000.0 | 1292500.0 | 2026-01-02 | 84 | View |
| Shin Barry | CFO | Buy | 125000.0 | 646250.0 | 2026-01-02 | 79 | View |
The strongest recent filing
Lerner Neil (Chief Accounting Officer) bought 62,500 shares of Compass Therapeutics, Inc. on Jan 2, 2026, a filing that scored 88 (Strong). It scored Strong because a senior insider was trading and it was direct personal ownership. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 4 insiders (Anderman Jonathan, Lerner Neil, Schuetz Thomas J., Shin Barry) traded CMPX the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Compass Therapeutics, Inc.'s own history
Open-market buys make up 80% of the 10 scoreable CMPX transactions on record between Jan 2, 2026 and Oct 1, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 10
- Open-market buys: 8
- Sales: 2
- Distinct insiders: 4
- Strongest recent Greediness Score: 88 (Strong)
Primary sources
Related
- Strongest filing
- CMPX in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.