X0306 4 2023-02-13 0 0001534120 Avalo Therapeutics, Inc. AVTX 0001810417 Sullivan Christopher Ryan C/O AVALO THERAPEUTICS, INC. 540 GAITHER ROAD, SUITE 400 ROCKVILLE MD 20850 0 1 0 0 Chief Financial Officer Stock Option (Right to Buy) 2.98 2023-02-13 4 A 0 40000 0 A 2033-02-13 Common Stock 40000.0 40000 D One-fourth of the shares subject to the stock option will vest on the first anniversary of the date of grant, and the remaining three-fourths of the shares subject to the stock option will vest in equal monthly installments over the following 36 months, subject to the Reporting Person's continued service through each applicable vesting date. /s/ Jennifer Zoltoski, by Power of Attorney 2023-02-15