X0609 4 2026-05-18 0 0001781162 Momentus Inc. MNTS 0001877834 Kugler Mitchel B. false C/O MOMENTUS INC. 1762 AUTOMATION PARKWAY SAN JOSE CA 95131 1 0 0 0 0 Restricted Stock Units 2026-05-18 4 A 0 6039 0 A Class A Common Stock 6039 6039 D Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus Inc. Class A Common Stock. The RSUs will vest in full on the earlier to occur of May 18, 2027 or the day of the 2027 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date. /s/ John Rood, Attorney-in-Fact 2026-05-20