Form 4 Filing for Michael Thomas Heffernan

Michael Thomas Heffernan, a director at Avalo Therapeutics, Inc., acquired 29,500 stock options on June 2, 2026. These options, with an exercise price of $13.96, are for the company's Common Stock and will vest in full on the first anniversary of the grant date, provided Heffernan continues his service. The options have an expiration date of June 2, 2036. This transaction was reported on Form 4, filed on June 4, 2026.