Form 4 for CMPX Compass Therapeutics, Inc.

Accepted 2025-04-11 00:00:00 ET · period of report 2025-04-09 · accession 0000947871-25-000385 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
I	2025-04-11	2025-04-09	CMPX	GORDON CARL L	Dir, 10%	S - Sale	$1.59	-3.57M	0	-100%	-$5.68M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-04-09	S	D	3,571,428	$1.59	0	I See footnotes	—	—	(F3) Each of the Reporting Person, GP V, OrbiMed Advisors, and Genesis GP disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his or its pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Person, GP V, OrbiMed Advisors, or Genesis GP is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose. (F1) These securities are held of record by OrbiMed Genesis Master Fund, L.P. ("Genesis Master Fund"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of Genesis Master Fund and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of Genesis GP. By virtue of such relationships, Genesis GP and OrbiMed Advisors may be deemed to have voting and investment power with respect to the securities held by Genesis Master Fund. OrbiMed Advisors exercises investment and voting power through a management committee comprised of the Reporting Person, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the securities held by Genesis Master Fund.