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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1738021	Compass Therapeutics Inc.	CMPX	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1591464	J. Thomas Schuetz	C/O Compass Therapeutics, Inc. 80 Guest St., Suite 601 Boston MA 02135	Chief Executive Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-05-27	10,000	$2.11	6,480,825	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct

Footnotes

The price reported in Column 4 is the weighted average purchase price. These shares were purchased in two transactions at prices of $2.105 and $2.115 per share. The reporting person hereby undertakes to provide, upon request, to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, full information regarding the number of shares purchased and prices within the range set forth above.
150,000 of the shares represent unvested RSUs granted on November 16, 2021. The award is subject to service-based vesting conditions and vests in four equal annual installments, with the first installment vested on November 15, 2022. 250,000 of the shares represent unvested RSUs granted on February 8, 2023. The award is subject to service-based vesting conditions and vests in four equal annual installments, with the first installment vested on February 8, 2024. 478,125 of the shares represent unvested RSUs granted on January 9, 2024. The award is subject to service-based vesting conditions and vests in four equal annual installments, with the first installment vested on January 9, 2025.