X0609 4 2026-05-02 0 0001788230 IP STRATEGY HOLDINGS, INC. IPST 0001262290 CARROSINO MICHAEL false C/O IP STRATEGY HOLDINGS, INC. 9668 BUJACICH ROAD GIG HARBOR WA 98332 0 1 0 0 EVP of Finance & CFO 0 Common Stock 2026-05-02 4 M 0 125 A 1971 D Common Stock 2026-05-02 4 F 0 38 5.50 D 1933 D Common Stock 2026-05-02 4 M 0 1111 A 3044 D Common Stock 2026-05-02 4 F 0 330 5.50 D 2714 D Restricted Stock Units 2026-05-02 4 M 0 125 0 D Common Stock 125 125 D Restricted Stock Units 2026-05-02 4 M 0 1111 0 D Common Stock 1111 4814 D All share amounts in this Form 4 reflect a 1-for-20 reverse stock split effected on April 23, 2026. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the issuer's common stock. The reporting person relinquished the shares of Common Stock reported herein and the issuer cancelled such shares and returned them to issuer's treasury in exchange for remitting certain tax withholding obligations of the reporting person resulting from the vesting of the RSUs. As such, no shares of the issuer were sold by the reporting person. Of the RSUs granted on October 1, 2025, 125 units were vested as of September 1, 2025. The remaining 500 units vest in equal quarterly installments over twelve (12) months beginning September 1, 2025, of which 375 units vested and settled on February 2, 2026. The remaining units vest in equal installments on May 2, 2026 and August 2, 2026, subject to continued service. The RSUs vest over an eighteen (18) month period beginning December 10, 2025, with two (2) months of service-based vesting satisfied as of February 2, 2026. The remaining units vest in equal installments on May 2, 2026, August 2, 2026, November 2, 2026, and February 2, 2027, subject to continued service. /s/ Justin B. Stiefel, attorney-in-fact for Michael Carrosino 2026-05-05