CMPX
Compass Therapeutics Inc.
NASDAQ: CMPX · HEALTHCARE · BIOTECHNOLOGY
$1.67
-9.24% today
Updated 2026-04-29
Market cap
$300.75M
P/E ratio
—
P/S ratio
269.28x
EPS (TTM)
$-0.42
Dividend yield
—
52W range
$2 – $7
Volume
6.7M
Compass Therapeutics Inc. (CMPX) Insider transactions
Net insider activity
Net buying (12,189,527 shares)
Buy transactions
84
Sell transactions
16
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-08 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Sale | 36,687 | $6.52 | $239199.24 |
| 2026-01-09 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Sale | 46,777 | $5.35 | $250256.95 |
| 2026-01-02 | SIRARD, CYNTHIA | Chief Medical Officer | Buy | 1,000,000 | — | — |
| 2026-01-02 | SHIN, BARRY | CFO | Buy | 670,000 | — | — |
| 2026-01-02 | SHIN, BARRY | CFO | Buy | 125,000 | $5.17 | $646250.00 |
| 2026-01-02 | SCHUETZ, THOMAS J. | Director, CEO | Buy | 2,000,000 | — | — |
| 2026-01-02 | SCHUETZ, THOMAS J. | Director, CEO | Buy | 250,000 | $5.17 | $1.29M |
| 2026-01-02 | PRASAD, ARJUN | Chief Commercial Officer | Buy | 1,000,000 | — | — |
| 2026-01-02 | LINDAHL, RICHARD S | Director | Buy | 90,000 | — | — |
| 2026-01-02 | LERNER, NEIL | Chief Accounting Officer | Buy | 435,000 | — | — |
| 2026-01-02 | LERNER, NEIL | Chief Accounting Officer | Buy | 62,500 | $5.17 | $323125.00 |
| 2026-01-02 | GRAY, MARY ANN | Director | Buy | 90,000 | — | — |
| 2026-01-02 | GORDON, CARL L | Director | Buy | 90,000 | — | — |
| 2026-01-02 | FERNEAU, PHILIP | Director | Buy | 90,000 | — | — |
| 2026-01-02 | CHINIARA, ELLEN | Director | Buy | 90,000 | — | — |
| 2026-01-02 | BOYLAN, JAMES P | Director | Buy | 90,000 | — | — |
| 2026-01-02 | ANDERMAN, JONATHAN | General Counsel | Buy | 720,000 | — | — |
| 2026-01-02 | ANDERMAN, JONATHAN | General Counsel | Buy | 150,000 | $5.17 | $775500.00 |
| 2025-11-16 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Sale | 44,025 | $4.83 | $212640.75 |
| 2025-05-27 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $2.11 | $21100.00 |
| 2025-04-09 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Sale | 3,571,428 | $1.59 | $5.68M |
| 2025-04-09 | GORDON, CARL L | Director, 10% Owner | Sale | 3,571,428 | $1.59 | $5.68M |
| 2025-04-07 | LERNER, NEIL | CHIEF ACCOUNTING OFFICER | Buy | 20,000 | $1.42 | $28400.00 |
| 2025-04-07 | ANDERMAN, JONATHAN | Gen Counsel & Corporate Sec | Buy | 20,000 | $1.54 | $30800.00 |
| 2025-02-11 | SHIN, BARRY | CFO | Buy | 250,000 | — | — |
| 2025-02-11 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 1,500,000 | — | — |
| 2025-02-11 | LINDAHL, RICHARD S | Director | Buy | 40,000 | — | — |
| 2025-02-11 | LERNER, NEIL | SVP, CAO | Buy | 200,000 | — | — |
| 2025-02-11 | GRAY, MARY ANN | Director | Buy | 40,000 | — | — |
| 2025-02-11 | GORDON, CARL L | Director, 10% Owner | Buy | 40,000 | — | — |
| 2025-02-11 | FERNEAU, PHILIP | Director | Buy | 40,000 | — | — |
| 2025-02-11 | CHINIARA, ELLEN | Director | Buy | 40,000 | — | — |
| 2025-02-11 | BOYLAN, JAMES P | Director | Buy | 40,000 | — | — |
| 2025-02-11 | ANDERMAN, JONATHAN | Sr VP, Gen Counsel & Corp Sec | Buy | 280,000 | — | — |
| 2025-02-08 | SCHUETZ, THOMAS J. | Director, CEO | Sale | 41,687 | $3.50 | $145904.50 |
| 2025-01-09 | SCHUETZ, THOMAS J. | Director, CEO | Sale | 58,054 | $1.86 | $107980.44 |
| 2024-12-09 | SHIN, BARRY | CFO | Buy | 400,000 | — | — |
| 2024-12-09 | SHIN, BARRY | CFO | Buy | 400,000 | $1.65 | $660000.00 |
| 2024-08-13 | ANDERMAN, JONATHAN | Sr VP, Gen Counsel & Corp Sec | Buy | 300,000 | — | — |
| 2024-03-08 | BOYLAN, JAMES P | Director | Buy | 40,000 | — | — |
| 2024-02-09 | LINDAHL, RICHARD S | Director | Buy | 40,000 | — | — |
| 2024-02-09 | GRAY, MARY ANN | Director | Buy | 40,000 | — | — |
| 2024-02-09 | GORDON, CARL L | Director, 10% Owner | Buy | 40,000 | — | — |
| 2024-02-09 | FERNEAU, PHILIP | Director | Buy | 40,000 | — | — |
| 2024-02-09 | CHINIARA, ELLEN | Director | Buy | 40,000 | — | — |
| 2024-02-08 | SCHUETZ, THOMAS J. | Director, PRESIDENT | Sale | 44,782 | $1.45 | $64933.90 |
| 2024-02-08 | BISKER-LEIB, VERED | Director, CHIEF EXECUTIVE OFFICER | Sale | 49,198 | $1.45 | $71337.10 |
| 2024-01-09 | SCHUETZ, THOMAS J. | Director, President of R&D | Buy | 637,500 | — | — |
| 2024-01-09 | SCHUETZ, THOMAS J. | Director, President of R&D | Buy | 637,500 | $1.93 | $1.23M |
| 2024-01-09 | BISKER-LEIB, VERED | Director, Chief Executive Officer | Buy | 1,753,125 | — | — |
| 2024-01-09 | BISKER-LEIB, VERED | Director, Chief Executive Officer | Buy | 1,753,125 | $1.93 | $3.38M |
| 2023-11-17 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Sale | 44,025 | $1.50 | $66037.50 |
| 2023-11-17 | BISKER-LEIB, VERED | Chief Operating Officer | Sale | 64,415 | $1.50 | $96622.50 |
| 2023-04-21 | LINDAHL, RICHARD S | Director | Buy | 50,000 | — | — |
| 2023-03-10 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $3.37 | $33700.00 |
| 2023-02-27 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.98 | $79600.00 |
| 2023-02-15 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.86 | $77200.00 |
| 2023-02-08 | WURZER, DAVID M | Director | Buy | 50,000 | — | — |
| 2023-02-08 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 700,000 | — | — |
| 2023-02-08 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 500,000 | — | — |
| 2023-02-08 | GRAY, MARY ANN | Director | Buy | 40,000 | — | — |
| 2023-02-08 | GORDON, CARL L | Director, 10% Owner | Buy | 60,000 | — | — |
| 2023-02-08 | FERNEAU, PHILIP | Director | Buy | 50,000 | — | — |
| 2023-02-08 | CHINIARA, ELLEN | Director | Buy | 40,000 | — | — |
| 2023-02-08 | BISKER-LEIB, VERED | Chief Operating Officer | Buy | 600,000 | — | — |
| 2023-02-08 | BISKER-LEIB, VERED | Chief Operating Officer | Buy | 400,000 | — | — |
| 2023-01-31 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $4.05 | $81000.00 |
| 2023-01-24 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $4.19 | $83800.00 |
| 2022-11-25 | BISKER-LEIB, VERED | Chief Operating Officer | Sale | 2 | $4.36 | $8.72 |
| 2022-11-23 | BISKER-LEIB, VERED | Chief Operating Officer | Sale | 9,569 | $4.30 | $41146.70 |
| 2022-11-22 | BISKER-LEIB, VERED | Chief Operating Officer | Sale | 14,929 | $4.19 | $62552.51 |
| 2022-11-21 | BISKER-LEIB, VERED | Chief Operating Officer | Sale | 16,035 | $4.34 | $69591.90 |
| 2022-11-18 | BISKER-LEIB, VERED | Chief Operating Officer | Sale | 6,226 | $4.40 | $27394.40 |
| 2022-11-08 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Buy | 402,000 | $3.21 | $1.29M |
| 2022-11-08 | GORDON, CARL L | Director, 10% Owner | Buy | 402,000 | $3.21 | $1.29M |
| 2022-09-28 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $2.32 | $23200.00 |
| 2022-09-26 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.27 | $34050.00 |
| 2022-09-07 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $3.03 | $45450.00 |
| 2022-09-01 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.83 | $42450.00 |
| 2022-08-17 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $3.05 | $45750.00 |
| 2022-08-10 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.64 | $39600.00 |
| 2022-08-01 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 15,000 | $2.58 | $38700.00 |
| 2022-06-21 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $2.80 | $56000.00 |
| 2022-06-16 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $2.34 | $46800.00 |
| 2022-06-13 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $2.29 | $68700.00 |
| 2022-06-06 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $2.83 | $84900.00 |
| 2022-06-01 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.03 | $60600.00 |
| 2022-05-26 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $3.04 | $60800.00 |
| 2022-05-23 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 18,355 | $2.72 | $49925.60 |
| 2022-05-17 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 20,215 | $2.47 | $49931.05 |
| 2022-05-13 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Buy | 30,722 | $2.49 | $76497.78 |
| 2022-05-13 | GORDON, CARL L | Director, 10% Owner | Buy | 30,722 | $2.49 | $76497.78 |
| 2022-05-12 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Buy | 97,094 | $2.35 | $228170.90 |
| 2022-05-12 | GORDON, CARL L | Director, 10% Owner | Buy | 97,094 | $2.35 | $228170.90 |
| 2022-05-11 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Buy | 64,700 | $1.79 | $115813.00 |
| 2022-05-11 | GORDON, CARL L | Director, 10% Owner | Buy | 64,700 | $1.79 | $115813.00 |
| 2022-05-10 | SCHUETZ, THOMAS J. | Director, CHIEF EXECUTIVE OFFICER | Buy | 27,836 | $1.80 | $50104.80 |
| 2022-05-10 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Buy | 24,447 | $1.60 | $39115.20 |
| 2022-05-10 | GORDON, CARL L | Director, 10% Owner | Buy | 24,447 | $1.60 | $39115.20 |
| 2022-05-09 | ORBIMED, ADVISORS LLC | Director, 10% Owner | Buy | 90,712 | $1.56 | $141510.72 |