ipgp-20260316

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

March 16, 2026

Date of Report (Date of earliest event reported)

IPG PHOTONICS CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

(State or Other Jurisdiction

of Incorporation)

001-33155

(Commission File No.)

04-3444218

(IRS Employer

Identification No.)

377 Simarano Drive

Marlborough, Massachusetts 01752

(Address of Principal Executive Offices, including Zip Code)

(508) 373-1100

(Registrant’s telephone number)

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))


Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $0.0001 per share	IPGP	Nasdaq Global Select Market

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 8.01. Other Events.

On March 16, 2026, IPG Photonics Corporation (the "Company") issued a press release announcing that the Local Division of the Unified Patent Court located in Dusseldorf, Germany issued a decision in the previously disclosed patent infringement lawsuit brought by affiliates of Trumpf SE & Co. KG against IPG Laser GmbH & Co. KG, a German subsidiary of the Company. The press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits




Exhibit Number						Exhibit Description
Exhibit 99.1						Press Release issued by IPG Photonics Corporation on March 16, 2026.
Exhibit 104						Inline XBRL for the cover page of this Current Report on Form 8-K.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this Current Report on Form 8-K to be signed on its behalf by the undersigned thereunto duly authorized.

IPG PHOTONICS CORPORATION

March 16, 2026

By:

/s/ Angelo P. Lopresti

Angelo P. Lopresti

Senior Vice President, General Counsel and Corporate Secretary

IPG Photonics Corporation filed SEC Form 8-K: Other Events, Financial Statements and Exhibits