Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Frome James J.	2. Issuer Name and Ticker or Trading Symbol SPS COMMERCE INC [ SPSC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & Chief Operating Officer
(Last) (First) (Middle) 333 SOUTH SEVENTH STREET, SUITE 1000	3. Date of Earliest Transaction (MM/DD/YYYY) 2/19/2021
(Street) MINNEAPOLIS, MN 55402 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	2/19/2021		A		11646 ⁽¹⁾	A	$0.00	63980	D
Common Stock	2/22/2021		S⁽²⁾		1406	D	$109.4415 ⁽³⁾	62574	D
Common Stock	2/23/2021		S⁽²⁾		1374	D	$106.0281 ⁽⁴⁾	61200	D
Common Stock	2/23/2021		S⁽²⁾		301	D	$106.7687 ⁽⁵⁾	60899	D
Common Stock								300.073	I	By 401(k) Plan

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:
(1)	RSU awards vest as to 25% of the units on February 19, 2022. The remaining units vest in a series of 36 successive equal monthly installments upon completion of each additional month of service (commencing on the March 19, 2022).
(2)	Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2020.
(3)	Reflects the weighted average price of 1,406 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 22, 2021 with sales prices ranging from $109.10 to $109.93 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.
(4)	Reflects the weighted average price of 1,374 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 23, 2021 with sales prices ranging from $105.40 to $106.31 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.
(5)	Reflects the weighted average price of 301 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 22, 2021 with sales prices ranging from $106.49 to $106.86 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.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Frome James J. 333 SOUTH SEVENTH STREET SUITE 1000 MINNEAPOLIS, MN 55402			EVP & Chief Operating Officer