SPS COMMERCE INC — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SPS COMMERCE INC (SPSC)
CIK: 0001092699
Period of Report: 2026-02-20

Reporting Person: Collins Chadwick (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	S	7776	$58.0937	Disposed	77849	Direct
2026-02-20	Common Stock	S	2806	$59.1809	Disposed	75043	Direct
2026-02-20	Common Stock	S	2802	$59.718	Disposed	72241	Direct
2026-02-20	Common Stock	A	101932	—	Acquired	174173	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	65.166	Indirect

Footnotes

F1: Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.

F2: Reflects the weighted average price of 7,776 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 20, 2026, with sales prices ranging from $57.50 to $58.46 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.

F3: Reflects the weighted average price of 2,806 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 20, 2026, with sales prices ranging from $58.51 to $59.50 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.

F4: Reflects the weighted average price of 2,802 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 20, 2026, with sales prices ranging from $59.52 to $60.01 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.

F5: Restricted Stock Unit award that vests as to 25% of the units on each anniversary of the date of the grant.