[8-K] Proto Labs Inc Reports Material Event

Rhea-AI Filing Summary

Proto Labs, Inc. (PRLB) furnished an 8-K announcing its third quarter 2025 financial results. The company reported the news via a press release that is attached to the filing as Exhibit 99.1 and incorporated by reference.

The filing is administrative in nature and points readers to the press release for the full results.

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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

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

FAQ

What did Proto Labs (PRLB) announce in this 8-K?

The company announced its third quarter 2025 financial results via a press release furnished as Exhibit 99.1.

When was the Proto Labs Q3 2025 results press release issued?

It was issued on October 31, 2025 and furnished with the 8-K.

Where can I find Proto Labs’ Q3 2025 results details?

Details are in the press release attached as Exhibit 99.1 to the 8-K.

What exchange does Proto Labs trade on and under what ticker?

Proto Labs’ common stock trades on the New York Stock Exchange under the ticker PRLB.

Who signed the filing for Proto Labs?

The filing was signed by Daniel Schumacher, Chief Financial Officer.

What is included in the exhibits to this 8-K?

Exhibit 99.1 is the press release dated October 31, 2025; Exhibit 104 is the cover page Inline XBRL data file.