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

Date of Report (Date of earliest event reported): October 31, 2025

Proto Labs, Inc.

(Exact name of registrant as specified in its charter)

Minnesota

001-35435

41-1939628

(State or other jurisdiction
of incorporation)

(Commission File Number)

(IRS Employer
Identification Number)


5540 Pioneer Creek Drive Maple Plain, Minnesota						55359
(Address of principal executive offices)						(Zip Code)

Registrant’s telephone number, including area code:						(763) 479-3680


Not Applicable
(Former name or former address, if changed since last report)

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 Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, Par Value $0.001 Per Share	PRLB	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 October 31, 2025, Proto Labs, Inc. issued a press release announcing its third quarter 2025 financial results. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference.


Item 9.01.			Financial Statements and Exhibits.

(d)Exhibits


99.1			Press release of Proto Labs, Inc. dated October 31, 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.

Proto Labs, Inc.

Date:

October 31, 2025

By:

/s/ Daniel Schumacher

Daniel Schumacher

Chief Financial Officer

Proto Labs Inc 8-K