[8-K] Planet Fitness, Inc. Reports Material Event

Rhea-AI Filing Summary

Planet Fitness (PLNT) furnished an 8-K announcing its financial results press release for the quarter ended September 30, 2025. The press release is attached as Exhibit 99.1.

Under General Instruction B.2, the information in this 8-K, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act or incorporated into Securities Act filings.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

November 6, 2025

Date of Report (Date of earliest event reported)  

 Planet Fitness, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-37534

38-3942097

(State or other jurisdiction of incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

4 Liberty Lane West

Hampton, NH 03842

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (603) 750-0001

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Exchange Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Class A common stock, $0.0001 Par Value			PLNT			New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ☐

Item 2.02 Results of Operations and Financial Condition.

On November 6, 2025, Planet Fitness, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended September 30, 2025. A copy of this press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference into this Item 2.02.

In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.						Description
99.1						Press Release dated November 6, 2025
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

PLANET FITNESS, INC.
By:						/s/ Jay Stasz
Name: Title:						Jay Stasz Chief Financial Officer

Dated: November 6, 2025

FAQ

What did Planet Fitness (PLNT) disclose in this 8-K?

The company furnished a press release announcing financial results for the quarter ended September 30, 2025, attached as Exhibit 99.1.

Which period does the announcement cover for PLNT?

It covers the quarter ended September 30, 2025.

How is the information in this 8-K treated legally?

Per General Instruction B.2, the information, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act.

What exhibit accompanies PLNT’s 8-K?

The results press release is filed as Exhibit 99.1.

What is Planet Fitness’s trading symbol and exchange?

Planet Fitness trades as PLNT on the New York Stock Exchange.

What is the date of the reported event in the 8-K?

The date of the reportable event is November 6, 2025.