X0508 4 2025-11-18 0 0001092699 SPS COMMERCE INC SPSC 0001233126 SORAN PHILIP 333 SOUTH SEVENTH STREET SUITE 1000 MINNEAPOLIS MN 55402 1 0 0 0 0 Common Stock 2025-11-18 4 M 0 5732 51.80 A 25894 D Common Stock 2025-11-18 4 F 0 3717 79.89 D 22177 D Stock Option (right to buy) 51.80 2025-11-18 4 M 0 5732 0 D 2026-05-14 Common Stock 5732 0 D This option was previously reported as an option for 2,866 shares of Common Stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019. On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 2,866 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 5,732 shares of Common Stock. Fully vested. /s/ Jonathan R. Zimmerman, Attorney-in-Fact for Philip Soran 2025-11-20