Compass Therapeutics, Inc. (CMPX)
Compass Therapeutics, Inc. (CMPX) Insider Trading
Directors, officers and holders of more than 10% of CMPX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 44 most recent of 44 transactions on file: 7 with code P, 2 with code S and 35 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Lerner Neil | Chief Accounting Officer | P Purchase | 20,000 | $0.9200 | $18,400 |
| Sep 24, 2026 | Lerner Neil | Chief Accounting Officer | P Purchase | 2,500 | $1.14 | $2,850 |
| Apr 29, 2026 | Anderman Jonathan | General Counsel | A Award | 25,000 | $1.89 | $47,250 |
| Apr 29, 2026 | Lerner Neil | Chief Accounting Officer | P Purchase | 15,000 | $1.89 | $28,350 |
| Apr 29, 2026 | Lerner Neil | Chief Accounting Officer | A Award | 15,000 | $1.89 | $28,350 |
| Apr 29, 2026 | Anderman Jonathan | General Counsel | P Purchase | 25,000 | $1.89 | $47,250 |
| Feb 8, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | F Tax Payment | 36,687 | $6.52 | $239,199 |
| Jan 9, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | F Tax Payment | 46,777 | $5.35 | $250,257 |
| Jan 2, 2026 | Shin Barry | CFO | A Award | 125,000 | $5.17 | $646,250 |
| Jan 2, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | A Award | 250,000 | $5.17 | $1,292,500 |
| Jan 2, 2026 | Anderman Jonathan | General Counsel | A Award | 150,000 | $5.17 | $775,500 |
| Jan 2, 2026 | Lerner Neil | Chief Accounting Officer | A Award | 62,500 | $5.17 | $323,125 |
| Jan 2, 2026 | Shin Barry | CFO | A Award | 670,000 | Not measured | Not measured |
| Jan 2, 2026 | Sirard Cynthia | Chief Medical Officer | A Award | 1,000,000 | Not measured | Not measured |
| Jan 2, 2026 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | A Award | 2,000,000 | Not measured | Not measured |
| Jan 2, 2026 | LINDAHL RICHARD S | Director | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | Chiniara Ellen | Director | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | GRAY MARY ANN | Director | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | Boylan James P | Director | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | GORDON CARL L | Director | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | Ferneau Philip | Director | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | Anderman Jonathan | General Counsel | A Award | 720,000 | Not measured | Not measured |
| Jan 2, 2026 | Prasad Arjun | Chief Commercial Officer | A Award | 1,000,000 | Not measured | Not measured |
| Jan 2, 2026 | Lerner Neil | Chief Accounting Officer | A Award | 435,000 | Not measured | Not measured |
| Nov 16, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | F Tax Payment | 44,025 | $4.83 | $212,641 |
| May 27, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | P Purchase | 10,000 | $2.11 | $21,100 |
| Apr 9, 2025 | GORDON CARL L | Director | S Sale | 3,571,428 | $1.59 | $5,678,571 |
| Apr 9, 2025 | ORBIMED ADVISORS LLC | Director | S Sale | 3,571,428 | $1.59 | $5,678,571 |
| Apr 7, 2025 | Lerner Neil | Chief Accounting Officer | P Purchase | 20,000 | $1.42 | $28,400 |
| Apr 7, 2025 | Anderman Jonathan | General Counsel | P Purchase | 20,000 | $1.54 | $30,800 |
| Feb 11, 2025 | Shin Barry | CFO | A Award | 250,000 | Not measured | Not measured |
| Feb 11, 2025 | Boylan James P | Director | A Award | 40,000 | Not measured | Not measured |
| Feb 11, 2025 | Chiniara Ellen | Director | A Award | 40,000 | Not measured | Not measured |
| Feb 11, 2025 | LINDAHL RICHARD S | Director | A Award | 40,000 | Not measured | Not measured |
| Feb 11, 2025 | Lerner Neil | Chief Accounting Officer | A Award | 200,000 | Not measured | Not measured |
| Feb 11, 2025 | GRAY MARY ANN | Director | A Award | 40,000 | Not measured | Not measured |
| Feb 11, 2025 | Ferneau Philip | Director | A Award | 40,000 | Not measured | Not measured |
| Feb 11, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | A Award | 1,500,000 | Not measured | Not measured |
| Feb 11, 2025 | Anderman Jonathan | General Counsel | A Award | 280,000 | Not measured | Not measured |
| Feb 11, 2025 | GORDON CARL L | Director | A Award | 40,000 | Not measured | Not measured |
| Feb 8, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | F Tax Payment | 41,687 | $3.50 | $145,905 |
| Jan 9, 2025 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | F Tax Payment | 58,054 | $1.86 | $107,980 |
| Dec 9, 2024 | Shin Barry | CFO | A Award | 400,000 | Not measured | Not measured |
| Dec 9, 2024 | Shin Barry | CFO | A Award | 400,000 | $1.65 | $660,000 |
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.