CMPX Compass Therapeutics Inc.
Health Care, filed as COMPASS THERAPEUTICS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
In 2026 Q2 Palo Alto Investors added to Compass Therapeutics.
Who owns this now
Largest portfolio weights among holders, up to 1.8% (Palo Alto Investors). Not free-float ownership.
Who owns CMPX
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Palo Alto Investors | Add +285.1% | 5,831,813 | $13M | History |
Insider trades
Open-market buys and sales by CMPX's executives, directors and 10% owners in the last 12 months, from their Form 4s
- $97K bought by 2 insiders
- None no sales outside a trading plan
- None no planned (10b5-1) sales
-
Neil Lerner Chief Accounting OfficerBuy$18K 20,000 shares at $0.9200 +5% to stakeTraded Oct 1 Filed Oct 2
-
Neil Lerner Chief Accounting OfficerBuy$2,850 2,500 shares at $1.14 +0.6% to stakeTraded Sep 24 Filed Sep 25
-
Neil Lerner Chief Accounting OfficerBuy$28K 15,000 shares at $1.89 +3.9% to stakeTraded Apr 29 Filed Apr 30
-
Jonathan Anderman General CounselBuy$47K 25,000 shares at $1.89 +15% to stakeTraded Apr 29 Filed Apr 30
Also filed in the last 12 months, not counted as buying or selling: 6 stock grants and 3 share withholdings for taxes.
SEC filings
Recent issuer filings from EDGAR, 19 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K | 7.01,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | FORM 10-Q | Filing Doc | |
| 8-K | 7.01,9.01 | Filing Doc | |
| 8-K | 5.03,9.01 | Filing Doc | |
| 8-K | 5.07 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | FORM 10-Q | Filing Doc | |
| DEF 14A | Filing Doc | ||
| DEFA14A | Filing Doc | ||
| 8-K | 7.01,8.01,9.01 | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-K | FORM 10-K | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 2.02,8.01,9.01 | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Total current assets | $153.88M | $132.75M | $209.82M |
| Total non-current assets * | $2.99M | $7.65M | $9.77M |
| Total assets | $156.88M | $140.4M | $219.59M |
| Total current liabilities | $7.8M | $8.87M | $13.97M |
| Total non-current liabilities * | $0.536M | $6.3M | $8.83M |
| Total equity | $148.54M | $125.23M | $196.79M |
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.