CMPX
Compass Therapeutics, Inc.$2.04+0.03 (+1.49%)Prev Close$2.01·MCap$282.1M·P/E—·Vol1.50M·Yield—
▲
Buys (12M)
2
$75.6K
▼
Sells (12M)
3
$702.1K
◆
Net Activity
Net Seller
$626.5K
●
Active Insiders
3
last 12 mo
Over the past 12 months, insider activity at Compass Therapeutics, Inc. (CMPX) has been dominated by selling, with 2 insider purchases totaling $75.6K and 3 insider sales totaling $702.1K. The most recent insider transaction was by Lerner Neil (officer: Chief Accounting Officer), who purchased $28.4K worth of shares on Apr 30, 2026. Compass Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $282.1M.
CMPX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Apr 30, 2026 | Lerner Neil | officer: Chief Accounting Officer | Buy | 15,000 | $1.89 | $28.4K | 397,500 |
| Apr 30, 2026 | Anderman Jonathan | officer: General Counsel | Buy | 25,000 | $1.89 | $47.3K | 196,000 |
| Feb 8, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 36,687 | $6.52 | $239.2K | 0 |
| Jan 9, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 46,777 | $5.35 | $250.3K | 0 |
| Nov 16, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 44,025 | $4.83 | $212.6K | 0 |
| May 27, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $2.11 | $21.1K | 0 |
| Apr 9, 2025 | GORDON CARL L | Director | Sell | 3,571,428 | $1.59 | $5.68M2.6% OS | 0 |
| Apr 7, 2025 | Anderman Jonathan | Gen Counsel & Corporate Sec | Buy | 20,000 | $1.54 | $30.8K | 0 |
| Apr 7, 2025 | Lerner Neil | CHIEF ACCOUNTING OFFICER | Buy | 20,000 | $1.42 | $28.4K | 0 |
| Mar 10, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $3.37 | $33.7K | 6,021,873 |
| Feb 27, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.98 | $79.6K | 6,011,873 |
| Feb 15, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.86 | $77.2K | 5,991,873 |
| Jan 31, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $4.05 | $81.0K | 5,471,873 |
| Jan 24, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $4.19 | $83.8K | 5,451,873 |
| Nov 25, 2022 | Bisker-Leib Vered | Chief Operating Officer | Sell | 24,500 | $4.23 | $103.7K | 1,069,985 |
| Nov 22, 2022 | Bisker-Leib Vered | Chief Operating Officer | Sell | 22,261 | $4.36 | $97.0K | 1,107,175 |
| Nov 10, 2022 | ORBIMED ADVISORS LLC | Director | Buy | 402,000 | $3.21 | $1.29M | 15,219,994 |
| Sep 28, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $2.32 | $23.2K | 5,431,873 |
| Sep 27, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.27 | $34.0K | 5,421,873 |
| Sep 8, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $3.03 | $45.5K | 5,406,873 |
| Sep 1, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.83 | $42.5K | 5,391,873 |
| Aug 17, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $3.05 | $45.8K | 5,376,873 |
| Aug 10, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.64 | $39.6K | 5,361,873 |
| Aug 2, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.58 | $38.7K | 5,346,873 |
| Jun 21, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $2.80 | $56.0K | 5,331,873 |
| Jun 17, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $2.34 | $46.8K | 5,311,873 |
| Jun 13, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $2.29 | $68.7K | 5,291,873 |
| Jun 7, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $2.83 | $84.9K | 5,261,873 |
| Jun 1, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.03 | $60.6K | 5,231,873 |
| May 26, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.04 | $60.8K | 5,211,873 |
| May 24, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 18,355 | $2.72 | $49.9K | 5,191,873 |
| May 17, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,215 | $2.47 | $49.9K | 5,173,518 |
| May 13, 2022 | GORDON CARL L | Director | Buy | 192,516 | $2.18 | $420.5K | 14,817,994 |
| May 10, 2022 | ORBIMED ADVISORS LLC | Director | Buy | 125,359 | $1.57 | $197.3K | 14,625,478 |
| May 10, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 27,836 | $1.80 | $50.1K | 5,153,303 |
| Nov 8, 2021 | GORDON CARL L | Director | Buy | 5,357,143 | $3.50 | $18.75M3.9% OS | 14,500,119+59% |
CMPX Insider Buying Activity
The following table shows recent insider purchases of Compass Therapeutics, Inc. (CMPX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Apr 30, 2026 | Lerner Neil | officer: Chief Accounting Officer | Buy | 15,000 | $1.89 | $28.4K | 397,500 |
| Apr 30, 2026 | Anderman Jonathan | officer: General Counsel | Buy | 25,000 | $1.89 | $47.3K | 196,000 |
| May 27, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $2.11 | $21.1K | 0 |
| Apr 7, 2025 | Anderman Jonathan | Gen Counsel & Corporate Sec | Buy | 20,000 | $1.54 | $30.8K | 0 |
| Apr 7, 2025 | Lerner Neil | CHIEF ACCOUNTING OFFICER | Buy | 20,000 | $1.42 | $28.4K | 0 |
| Mar 10, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $3.37 | $33.7K | 6,021,873 |
| Feb 27, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.98 | $79.6K | 6,011,873 |
| Feb 15, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.86 | $77.2K | 5,991,873 |
| Jan 31, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $4.05 | $81.0K | 5,471,873 |
| Jan 24, 2023 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $4.19 | $83.8K | 5,451,873 |
| Nov 10, 2022 | ORBIMED ADVISORS LLC | Director | Buy | 402,000 | $3.21 | $1.29M | 15,219,994 |
| Sep 28, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $2.32 | $23.2K | 5,431,873 |
| Sep 27, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.27 | $34.0K | 5,421,873 |
| Sep 8, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $3.03 | $45.5K | 5,406,873 |
| Sep 1, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.83 | $42.5K | 5,391,873 |
| Aug 17, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $3.05 | $45.8K | 5,376,873 |
| Aug 10, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.64 | $39.6K | 5,361,873 |
| Aug 2, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.58 | $38.7K | 5,346,873 |
| Jun 21, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $2.80 | $56.0K | 5,331,873 |
| Jun 17, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $2.34 | $46.8K | 5,311,873 |
| Jun 13, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $2.29 | $68.7K | 5,291,873 |
| Jun 7, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $2.83 | $84.9K | 5,261,873 |
| Jun 1, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.03 | $60.6K | 5,231,873 |
| May 26, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.04 | $60.8K | 5,211,873 |
| May 24, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 18,355 | $2.72 | $49.9K | 5,191,873 |
| May 17, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 20,215 | $2.47 | $49.9K | 5,173,518 |
| May 13, 2022 | GORDON CARL L | Director | Buy | 192,516 | $2.18 | $420.5K | 14,817,994 |
| May 10, 2022 | ORBIMED ADVISORS LLC | Director | Buy | 125,359 | $1.57 | $197.3K | 14,625,478 |
| May 10, 2022 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 27,836 | $1.80 | $50.1K | 5,153,303 |
| Nov 8, 2021 | GORDON CARL L | Director | Buy | 5,357,143 | $3.50 | $18.75M3.9% OS | 14,500,119+59% |
CMPX Insider Selling Activity
The following table shows recent insider sales of Compass Therapeutics, Inc. (CMPX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 8, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 36,687 | $6.52 | $239.2K | 0 |
| Jan 9, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 46,777 | $5.35 | $250.3K | 0 |
| Nov 16, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 44,025 | $4.83 | $212.6K | 0 |
| Apr 9, 2025 | GORDON CARL L | Director | Sell | 3,571,428 | $1.59 | $5.68M2.6% OS | 0 |
| Nov 25, 2022 | Bisker-Leib Vered | Chief Operating Officer | Sell | 24,500 | $4.23 | $103.7K | 1,069,985 |
| Nov 22, 2022 | Bisker-Leib Vered | Chief Operating Officer | Sell | 22,261 | $4.36 | $97.0K | 1,107,175 |
CMPX Insiders
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