Ellen Chiniara - 02 Jan 2026 Form 4 Insider Report for Compass Therapeutics, Inc. (CMPX)

Role
Director
Signature
/s/ Neil Lerner, attorney-in-fact
Issuer symbol
CMPX
Transactions as of
02 Jan 2026
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 16:33:04 UTC
Previous filing
03 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chiniara Ellen Director C/O COMPASS THERAPEUTICS, INC., 80 GUEST STREET, SUITE 601, BOSTON /s/ Neil Lerner, attorney-in-fact 05 Jan 2026 0001398764

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CMPX Stock Option (Right to Buy) Award $0 +90,000 $0.000000 90,000 02 Jan 2026 Common Stock 90,000 $5.17 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This grant vests in full upon the earlier of (i) June 10, 2026 or (ii) the date of the next annual meeting of the Company's stockholders.