X0609 4 2026-06-03 0001794546 CARLSMED, INC. CARL 0001416947 Sidow Kevin false C/O CARLSMED, INC. 1800 ASTON AVE., SUITE 100 CARLSBAD CA 92008 true false false false false Common Stock 2026-06-03 4 A false 13698 0 A 73264 D Constitutes an award of restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. The RSUs will vest in full on the earlier of (i) the day before the Issuer's 2027 annual meeting of stockholders or (ii) June 3, 2027, subject, in all cases, to the Reporting Person's continued service as a member of the Board of Directors through such vesting date. /s/ Leonard Greenstein, as attorney-in-fact for Kevin Sidow 2026-06-22