Ownership Submission
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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Black Archie C.
  2. Issuer Name and Ticker or Trading Symbol
SPS COMMERCE INC [SPSC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO
(Last)
(First)
(Middle)
333 SOUTH SEVENTH STREET, SUITE 1000
3. Date of Earliest Transaction (Month/Day/Year)
02/13/2017
(Street)

MINNEAPOLIS, MN 55402
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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)
Code V Amount (A) or (D) Price
Common Stock 02/13/2017   F   4,530 (1) D $ 56.2633 (2) 61,451 D  
Common Stock 02/14/2017   A   26,929 (3) A $ 0 88,380 D  
Common Stock               200 I By Son-I
Common Stock               200 I By Son-II
Common Stock               200 I By Son-III
Common Stock               200 I By Son-IV

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) $ 55.7 02/14/2017   A   39,343     (4) 02/14/2024 Common Stock 39,343 $ 0 39,343 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Black Archie C.
333 SOUTH SEVENTH STREET
SUITE 1000
MINNEAPOLIS, MN 55402
  X     CEO  

Signatures

 /s/ Jonathan R. Zimmerman, Attorney-in-Fact for Archie C. Black   02/15/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Number of shares withheld to cover withholding taxes associated with the issuance of 9,676 shares of the Issuer's common stock in settlement of an equal number of vested performance stock units previously credited to the reporting person's account.
(2) Reflects the weighted average price of 4,530 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 13, 2017 with sales prices ranging from $56.13 to $56.4555 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.
(3) This reflects a restricted stock unit award. Each restricted stock unit represents a contingent right to receive one share of SPS Commerce, Inc. common stock. RSUs vest as to 25% of the units on February 14, 2018. The remaining units vest in a series of 36 successive equal monthly installments upon completion of each additional month of service (commencing on March 14, 2018).
(4) Options vest as to 25% of the shares on February 14, 2018. The remaining shares vest in a series of 36 successive equal monthly installments upon completion of each additional month of service (commencing on March 14, 2018).

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