Compass Therapeutics, Inc.
CMPXHealthcare|Biotechnology|US
$0.76
+0.07 (+10.84%)
DCF Value
$0.12
Tangible Book / Share
$0.89
Cash / Share
$0.96
Ownership Breakdown
71.5%
Float
180.1M
Shares Outstanding
128.7M
Float Shares
Major Holders (40)
Combined: 185.0%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Tang Capital Management, LLC | Other | 9.99% | 17,176,510 | Nov 14, 2025 | 13D/G |
| Kevin Tang | Individual | 9.99% | 17,176,510 | Nov 14, 2025 | 13D/G |
| Roderick Wong | HC, IN | 9.90% | 9,474,397 | Aug 14, 2025 | 13D/G |
| Orbimed Advisors LLC | Investment adviser | 8.90% | 15,219,994 | Aug 15, 2025 | 13D/G |
| Orbimed Capital GP V LLC | Other | 8.90% | 15,219,994 | Aug 15, 2025 | 13D/G |
| Suvretta Capital Management, LLC | IA, OO | 8.20% | 14,101,159 | Aug 21, 2025 | 13D/G |
| Aaron Cowen | HC, IN | 8.20% | 14,101,159 | Aug 21, 2025 | 13D/G |
| Averill Master Fund, Ltd. | Corporation | 7.10% | 12,229,050 | Aug 21, 2025 | 13D/G |
| Tang Capital Partners, LP | Partnership | 5.98% | 10,274,944 | Nov 14, 2025 | 13D/G |
| State Street Corporation | Holding company | 5.50% | 9,953,653 | Aug 7, 2026 | 13D/G |
| BlackRock, Inc. | Holding company | 5.20% | 9,271,644 | Jan 21, 2026 | 13D/G |
| Commander Aggregator, LP | Partnership | 4.50% | 7,788,150 | Aug 18, 2025 | 13D/G |
| Enavate Sciences, LP | Partnership | 4.50% | 7,788,150 | Aug 18, 2025 | 13D/G |
| Enavate Sciences GP, LLC | Other | 4.50% | 7,788,150 | Aug 18, 2025 | 13D/G |
| Enavate Sciences Holdings, LLC | Other | 4.50% | 7,788,150 | Aug 18, 2025 | 13D/G |
| Adage Capital Management, L.P. | IA, PN | 4.36% | 5,994,810 | Feb 12, 2025 | 13D/G |
| Robert Atchinson | HC, IN | 4.36% | 5,994,810 | Feb 12, 2025 | 13D/G |
| Phillip Gross | HC, IN | 4.36% | 5,994,810 | Feb 12, 2025 | 13D/G |
| Lampert Mark N | Individual | 4.30% | 7,764,842 | May 15, 2026 | 13D/G |
| BVF Inc/Il | Corporation | 4.30% | 7,764,842 | May 15, 2026 | 13D/G |
| BVF Partners L P/Il | IA, PN | 4.30% | 7,764,842 | May 15, 2026 | 13D/G |
| MPM BioImpact LLC | Investment adviser | 4.10% | 5,622,505 | Aug 12, 2025 | 13D/G |
| Vivo Opportunity Fund Holdings, L.P. | Partnership | 4.00% | 7,207,573 | Aug 14, 2026 | 13D/G |
| Vivo Opportunity, LLC | Other | 4.00% | 7,207,573 | Aug 14, 2026 | 13D/G |
| BVF GP Holdings LLC | Other | 4.00% | 7,170,971 | May 15, 2026 | 13D/G |
| Blackstone Inc. | Corporation | 3.40% | 6,126,182 | Feb 13, 2026 | 13D/G |
| Blackstone Group Management L.L.C. | Other | 3.40% | 6,126,182 | Feb 13, 2026 | 13D/G |
| Stephen A. Schwarzman | Individual | 3.40% | 6,126,182 | Feb 13, 2026 | 13D/G |
| Blackstone Alternative Asset Management Associates LLC | Other | 3.40% | 6,126,182 | Feb 13, 2026 | 13D/G |
| Blackstone Holdings II L.P. | Partnership | 3.40% | 6,126,182 | Feb 13, 2026 | 13D/G |
| Blackstone Holdings I/II GP L.L.C. | Other | 3.40% | 6,126,182 | Feb 13, 2026 | 13D/G |
| Tang Capital Partners International, LP | Partnership | 3.24% | 5,568,566 | Nov 14, 2025 | 13D/G |
| Biotechnology Value Fund L P | Partnership | 2.30% | 4,142,020 | May 15, 2026 | 13D/G |
| BVF I GP LLC | Other | 2.30% | 4,142,020 | May 15, 2026 | 13D/G |
| Spruce Street Aggregator L.P. | Partnership | 2.10% | 3,678,362 | Feb 13, 2026 | 13D/G |
| BVF II GP LLC | Other | 1.70% | 3,028,951 | May 15, 2026 | 13D/G |
| Biotechnology Value Fund II LP | Partnership | 1.70% | 3,028,951 | May 15, 2026 | 13D/G |
| Blackstone Annex Master Fund L.P. | Partnership | 1.40% | 2,447,820 | Feb 13, 2026 | 13D/G |
| Janus Henderson Group plc | IA, HC | 1.30% | 1,843,286 | Nov 14, 2024 | 13D/G |
| Tang Capital Partners III, Inc | Corporation | 0.58% | 999,750 | Nov 14, 2025 | 13D/G |
Insider Trades (100)
Last 4 quarters: 7,055,000 acquired · 83,464 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Lerner Neil | Chief Accounting Officer | Oct 1, 2026 | BUY | 20,000 | $0.92 | $18.4K | Form 4 |
| Lerner Neil | Chief Accounting Officer | Sep 24, 2026 | BUY | 2,500 | $1.14 | $2.8K | Form 4 |
| Lerner Neil | Chief Accounting Officer | Apr 29, 2026 | BUY | 15,000 | $1.89 | $28.4K | Form 4 |
| Anderman Jonathan | General Counsel | Apr 29, 2026 | BUY | 25,000 | $1.89 | $47.3K | Form 4 |
| Anderman Jonathan | General Counsel | Apr 29, 2026 | AWARD | 25,000 | $1.89 | $47.3K | Form 4 |
| Lerner Neil | Chief Accounting Officer | Apr 29, 2026 | AWARD | 15,000 | $1.89 | $28.4K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Feb 8, 2026 | TAX W/H | 36,687 | $6.52 | $239.2K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Jan 9, 2026 | TAX W/H | 46,777 | $5.35 | $250.3K | Form 4 |
| Shin Barry | CFO | Jan 2, 2026 | AWARD | 670,000 | $5.17 | $3.5M | Form 4 |
| Shin Barry | CFO | Jan 2, 2026 | AWARD | 125,000 | $5.17 | $646.3K | Form 4 |
| Sirard Cynthia | Chief Medical Officer | Jan 2, 2026 | AWARD | 1,000,000 | $5.17 | $5.2M | Form 4 |
| Schuetz Thomas J. | director, officer: CEO | Jan 2, 2026 | AWARD | 250,000 | $5.17 | $1.3M | Form 4 |
| Schuetz Thomas J. | director, officer: CEO | Jan 2, 2026 | AWARD | 2,000,000 | $5.17 | $10.3M | Form 4 |
| Prasad Arjun | Chief Commercial Officer | Jan 2, 2026 | AWARD | 1,000,000 | $5.17 | $5.2M | Form 4 |
| LINDAHL RICHARD S | director | Jan 2, 2026 | AWARD | 90,000 | $5.17 | $465.3K | Form 4 |
| Chiniara Ellen | director | Jan 2, 2026 | AWARD | 90,000 | $5.17 | $465.3K | Form 4 |
| Lerner Neil | Chief Accounting Officer | Jan 2, 2026 | AWARD | 435,000 | $5.17 | $2.2M | Form 4 |
| Lerner Neil | Chief Accounting Officer | Jan 2, 2026 | AWARD | 62,500 | $5.17 | $323.1K | Form 4 |
| GRAY MARY ANN | director | Jan 2, 2026 | AWARD | 90,000 | $5.17 | $465.3K | Form 4 |
| Boylan James P | director | Jan 2, 2026 | AWARD | 90,000 | $5.17 | $465.3K | Form 4 |
| GORDON CARL L | director | Jan 2, 2026 | AWARD | 90,000 | $5.17 | $465.3K | Form 4 |
| Ferneau Philip | director | Jan 2, 2026 | AWARD | 90,000 | $5.17 | $465.3K | Form 4 |
| Anderman Jonathan | General Counsel | Jan 2, 2026 | AWARD | 720,000 | $5.17 | $3.7M | Form 4 |
| Anderman Jonathan | General Counsel | Jan 2, 2026 | AWARD | 150,000 | $5.17 | $775.5K | Form 4 |
| Sirard Cynthia | officer | Jan 2, 2026 | OTHER | 0 | — | — | Form 4 |
| Prasad Arjun | officer | Jan 2, 2026 | OTHER | 0 | — | — | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Nov 16, 2025 | TAX W/H | 44,025 | $4.83 | $212.6K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | May 27, 2025 | BUY | 10,000 | $2.11 | $21.1K | Form 4 |
| GORDON CARL L | director, 10 percent owner: | Apr 9, 2025 | SELL | 3,571,428 | $1.59 | $5.7M | Form 4 |
| ORBIMED ADVISORS LLC | director, 10 percent owner: | Apr 9, 2025 | SELL | 3,571,428 | $1.59 | $5.7M | Form 4 |
| Anderman Jonathan | Gen Counsel & Corporate Sec | Apr 7, 2025 | BUY | 20,000 | $1.54 | $30.8K | Form 4 |
| Lerner Neil | CHIEF ACCOUNTING OFFICER | Apr 7, 2025 | BUY | 20,000 | $1.42 | $28.4K | Form 4 |
| Shin Barry | CFO | Feb 11, 2025 | AWARD | 250,000 | $3.65 | $912.5K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Feb 11, 2025 | AWARD | 1,500,000 | $3.65 | $5.5M | Form 4 |
| LINDAHL RICHARD S | director | Feb 11, 2025 | AWARD | 40,000 | $3.65 | $146.0K | Form 4 |
| Lerner Neil | SVP, CAO | Feb 11, 2025 | AWARD | 200,000 | $3.65 | $730.0K | Form 4 |
| GRAY MARY ANN | director | Feb 11, 2025 | AWARD | 40,000 | $3.65 | $146.0K | Form 4 |
| Ferneau Philip | director | Feb 11, 2025 | AWARD | 40,000 | $3.65 | $146.0K | Form 4 |
| Chiniara Ellen | director | Feb 11, 2025 | AWARD | 40,000 | $3.65 | $146.0K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Feb 11, 2025 | AWARD | 280,000 | $3.65 | $1.0M | Form 4 |
| GORDON CARL L | director, 10 percent owner: | Feb 11, 2025 | AWARD | 40,000 | $3.65 | $146.0K | Form 4 |
| Boylan James P | director | Feb 11, 2025 | AWARD | 40,000 | $3.65 | $146.0K | Form 4 |
| Schuetz Thomas J. | director, officer: CEO | Feb 8, 2025 | TAX W/H | 41,687 | $3.50 | $145.9K | Form 4 |
| Schuetz Thomas J. | director, officer: CEO | Jan 9, 2025 | TAX W/H | 58,054 | $1.86 | $108.0K | Form 4 |
| Shin Barry | CFO | Dec 9, 2024 | AWARD | 400,000 | $1.65 | $660.0K | Form 4 |
| Shin Barry | CFO | Dec 9, 2024 | AWARD | 400,000 | $1.65 | $660.0K | Form 4 |
| Shin Barry | officer | Dec 9, 2024 | OTHER | 0 | — | — | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 0 | — | — | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 175,000 | $1.20 | $210.0K | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 90,000 | $5.00 | $450.0K | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 85,000 | $3.83 | $325.6K | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 50,000 | $2.40 | $120.0K | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 80,000 | $3.93 | $314.4K | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 40,000 | $3.50 | $140.0K | Form 4 |
| Lerner Neil | VP Finance | Dec 9, 2024 | OTHER | 60,000 | $1.57 | $94.2K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 13, 2024 | AWARD | 300,000 | $1.20 | $360.0K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 1, 2024 | DISPOSED | 0 | — | — | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 1, 2024 | DISPOSED | 80,000 | $1.57 | $125.6K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 1, 2024 | DISPOSED | 85,000 | $3.83 | $325.6K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 1, 2024 | DISPOSED | 80,000 | $3.93 | $314.4K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 1, 2024 | DISPOSED | 130,000 | $4.05 | $526.5K | Form 4 |
| Anderman Jonathan | Sr VP, Gen Counsel & Corp Sec | Aug 1, 2024 | DISPOSED | 50,000 | $2.40 | $120.0K | Form 4 |
| Boylan James P | director | Mar 8, 2024 | AWARD | 40,000 | $1.96 | $78.4K | Form 4 |
| GRAY MARY ANN | director | Feb 9, 2024 | AWARD | 40,000 | $1.57 | $62.8K | Form 4 |
| LINDAHL RICHARD S | director | Feb 9, 2024 | AWARD | 40,000 | $1.57 | $62.8K | Form 4 |
| GORDON CARL L | director, 10 percent owner: | Feb 9, 2024 | AWARD | 40,000 | $1.57 | $62.8K | Form 4 |
| Chiniara Ellen | director | Feb 9, 2024 | AWARD | 40,000 | $1.57 | $62.8K | Form 4 |
| Ferneau Philip | director | Feb 9, 2024 | AWARD | 40,000 | $1.57 | $62.8K | Form 4 |
| Bisker-Leib Vered | director, officer: CHIEF EXECUTIVE OFFICER | Feb 8, 2024 | TAX W/H | 49,198 | $1.45 | $71.3K | Form 4 |
| Schuetz Thomas J. | director, officer: PRESIDENT | Feb 8, 2024 | TAX W/H | 44,782 | $1.45 | $64.9K | Form 4 |
| Bisker-Leib Vered | director, officer: Chief Executive Officer | Jan 9, 2024 | AWARD | 1,753,125 | $1.93 | $3.4M | Form 4 |
| Bisker-Leib Vered | director, officer: Chief Executive Officer | Jan 9, 2024 | AWARD | 1,753,125 | $1.93 | $3.4M | Form 4 |
| Schuetz Thomas J. | director, officer: President of R&D | Jan 9, 2024 | AWARD | 637,500 | $1.93 | $1.2M | Form 4 |
| Schuetz Thomas J. | director, officer: President of R&D | Jan 9, 2024 | AWARD | 637,500 | $1.93 | $1.2M | Form 4 |
| Bisker-Leib Vered | Chief Operating Officer | Nov 17, 2023 | TAX W/H | 64,415 | $1.50 | $96.6K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Nov 17, 2023 | TAX W/H | 44,025 | $1.50 | $66.0K | Form 4 |
| LINDAHL RICHARD S | director | Apr 21, 2023 | AWARD | 50,000 | $2.91 | $145.5K | Form 4 |
| LINDAHL RICHARD S | director: | Apr 21, 2023 | OTHER | 0 | — | — | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Mar 10, 2023 | BUY | 10,000 | $3.37 | $33.7K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Feb 27, 2023 | BUY | 20,000 | $3.98 | $79.6K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Feb 15, 2023 | BUY | 20,000 | $3.86 | $77.2K | Form 4 |
| WURZER DAVID M | director | Feb 8, 2023 | AWARD | 50,000 | $3.93 | $196.5K | Form 4 |
| WURZER DAVID M | director: | Feb 8, 2023 | OTHER | 0 | — | — | Form 4 |
| Chiniara Ellen | director | Feb 8, 2023 | AWARD | 40,000 | $3.93 | $157.2K | Form 4 |
| GRAY MARY ANN | director | Feb 8, 2023 | AWARD | 40,000 | $3.93 | $157.2K | Form 4 |
| GORDON CARL L | director, 10 percent owner: | Feb 8, 2023 | AWARD | 60,000 | $3.93 | $235.8K | Form 4 |
| Ferneau Philip | director | Feb 8, 2023 | AWARD | 50,000 | $3.93 | $196.5K | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Feb 8, 2023 | AWARD | 500,000 | — | — | Form 4 |
| Schuetz Thomas J. | director, officer: CHIEF EXECUTIVE OFFICER | Feb 8, 2023 | AWARD | 700,000 | $3.93 | $2.8M | Form 4 |
| Bisker-Leib Vered | Chief Operating Officer | Feb 8, 2023 | AWARD | 400,000 | — | — | Form 4 |
| Bisker-Leib Vered | Chief Operating Officer | Feb 8, 2023 | AWARD | 600,000 | $3.93 | $2.4M | Form 4 |
| Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Jan 31, 2023 | BUY | 20,000 | $4.05 | $81.0K | Form 4 |
| Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Jan 24, 2023 | BUY | 20,000 | $4.19 | $83.8K | Form 4 |
| Bisker-Leib Vered | Chief Operating Officer | Nov 22, 2022 | SELL | 14,929 | $4.19 | $62.6K | Form 4 |
| Bisker-Leib Vered | Chief Operating Officer | Nov 23, 2022 | SELL | 9,569 | $4.30 | $41.1K | Form 4 |
| Bisker-Leib Vered | Chief Operating Officer | Nov 25, 2022 | SELL | 2 | $4.36 | $8.72 | Form 4 |
| Boylan James P | Nov 4, 2022 | OTHER | — | — | — | Form 4 | |
| Boylan James P | director: | Nov 4, 2022 | OTHER | 0 | — | — | Form 4 |
| ORBIMED ADVISORS LLC | director | Nov 8, 2022 | BUY | 402,000 | $3.21 | $1.3M | Form 4 |
| GORDON CARL L | director | Nov 8, 2022 | BUY | 402,000 | $3.21 | $1.3M | Form 4 |