X0202 SCHEDULE 13G 0002155815 XXXXXXXX LIVE Class A Common Stock 8/17/2026 0002093536 Arxis, Inc. 04339D105 1332 BLUE HILLS AVE BLOOMFIELD CT 06002 Rule 13d-1(d) Gerald W. Simonson Revocable Trust Agreement Dated May 12, 2016 as amended MN 6627543.00 0.00 6627543.00 0.00 6627543.00 8.6 OO Arxis, Inc. 1332 BLUE HILLS AVE, BLOOMFIELD, CONNECTICUT, 06002. Gerald W. Simonson Revocable Trust Agreement dated May 12, 2016, as amended 5813 Jeff Place, Edina, Minnesota 55436 Minnesota (place of organization of the Trust) Y 6,627,543 shares of Class A Common Stock 8.6% 6,627,543 0 6,627,543 0 Y N Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Gerald W. Simonson Revocable Trust Agreement Dated May 12, 2016 as amended /s/ Gerald Wallace Simonson 09/15/2026