SPS COMMERCE INC — Director's Dealing 2026

Jan 9, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SPS COMMERCE INC (SPSC)
CIK: 0001092699
Period of Report: 2026-01-07

Reporting Person: Reaume Marty M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-07	Common Stock	M	1732	$51.80	Acquired	10890	Direct
2026-01-07	Common Stock	S	400	$91.3958	Disposed	10490	Direct
2026-01-07	Common Stock	S	1332	$92.5194	Disposed	9158	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-07	Stock Option (right to buy)	$51.80	M	1732	Disposed	2026-05-14	Common Stock (1732)	Direct

Footnotes

F1: Stock option exercise and sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 10, 2025.

F2: 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.

F3: 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.

F4: Reflects the weighted average price of 400 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 7, 2026 with sales prices ranging from $90.98 to $91.83 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: Reflects the weighted average price of 1,332 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 7, 2026 with sales prices ranging from $92.23 to $92.85 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.

F6: Fully vested.