X0407 4 2023-05-26 0 0001092699 SPS COMMERCE INC SPSC 0001489097 Nelson Kimberly K. 333 SOUTH SEVENTH STREET SUITE 1000 MINNEAPOLIS MN 55402 0 1 0 0 EVP & CFO 1 Common Stock 2023-05-26 4 M 0 5190 27.85 A 153924 D Common Stock 2023-05-26 4 S 0 5078 163.3685 D 148846 D Common Stock 2023-05-26 4 S 0 112 164.2242 D 148734 D Common Stock 405.425 I By 401(k) Plan Stock Option (right to buy) 27.85 2023-05-26 4 M 0 5190 0.00 D 2024-02-14 Common Stock 5190 0 D Stock option exercise and sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 26, 2022. Reflects the weighted average price of 5,078 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on May 26, 2023 with sales prices ranging from $163.05 to $164.00 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Reflects the weighted average price of 112 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on May 26, 2023 with sales prices ranging from $164.05 to $164.24 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Fully vested. /s/ Jonathan R. Zimmerman, attorney-in-fact for Kimberly K. Nelson 2023-05-31