Thomas J. Schuetz - 27 May 2025 Form 4 Insider Report for Compass Therapeutics, Inc. (CMPX)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Thomas J. Schuetz
Issuer symbol: CMPX
Transactions as of: 27 May 2025
Net transactions value: +$21,100
Form type: 4
Filing time: 27 May 2025, 15:24:21 UTC
Previous filing: 13 Feb 2025
Next filing: 18 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Schuetz Thomas J.	CHIEF EXECUTIVE OFFICER, Director	C/O COMPASS THERAPEUTICS, INC., 80 GUEST ST., SUITE 601, BOSTON	/s/ Thomas J. Schuetz	27 May 2025	0001591464

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CMPX	Common Stock	Purchase	$21,100	+10,000	+0.15%	$2.11	6,480,825	27 May 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.