Form 3 — SPSC: Mark Partin Listed as Director with No Beneficial Ownership

Rhea-AI Filing Summary

Mark Partin, identified as a director of SPS Commerce, Inc. (SPSC), filed an initial Form 3 reporting that he does not beneficially own any securities of the issuer. The Form lists an Exhibit 24 Power of Attorney and was executed by an attorney-in-fact on behalf of the reporting person. The Form 3 covers the ownership status as of 08/18/2025.

Positive

• Reporting person is identified as a director (Mark Partin).
• No securities are beneficially owned as stated on the Form 3.

Negative

• None.

Insights

Corporate Governance Analyst

Director listed with no beneficial ownership; paperwork filed via power of attorney.

The filing shows Mark Partin is a director of SPS Commerce (SPSC) and reports no beneficial ownership of the company's securities as of 08/18/2025. The presence of Exhibit 24 (Power of Attorney) and a signature by an attorney-in-fact indicates the filing was completed through authorized representation.

This is a routine initial ownership disclosure rather than a transaction notice; investors may note the lack of an insider stake but there are no reported derivative or non-derivative holdings to monitor near term.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Partin Mark

(Last) (First) (Middle)

333 SOUTH SEVENTH STREET

SUITE 1000

(Street)

MINNEAPOLIS MN 55402

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/18/2025

3. Issuer Name and Ticker or Trading Symbol
SPS COMMERCE INC [ SPSC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Jonathan R. Zimmerman, Attorney-in-Fact for Mark Partin	08/26/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Mark Partin report on the Form 3 for SPSC?

The Form 3 reports that Mark Partin is a director and that he does not beneficially own any securities08/18/2025.

Does the Form 3 for SPSC list any stock or option holdings for the reporting person?

No. The filing explicitly states no securities are beneficially owned and includes no entries in the non-derivative or derivative tables.

Was a Power of Attorney included with the Form 3 for SPSC?

Yes. The filing references Exhibit 24 - Power of Attorney, and the signature was executed by an attorney-in-fact.

Is the Form 3 an initial filing or an amendment for SPSC?

This is an initial Form 3 (Initial Statement of Beneficial Ownership) rather than an amendment.

What is the effective date of the ownership information on the Form 3?

The Form 3 shows the date of the event requiring the statement as 08/18/2025.