CTS files Reg FD 8-K; Exhibit 99.1 investor presentation

Rhea-AI Filing Summary

CTS Corporation furnished an investor presentation under Item 7.01 (Regulation FD) in a Form 8‑K. The presentation, included as Exhibit 99.1 and dated October 2025, may be used in meetings with investors and analysts during the fiscal year ended December 31, 2025. The company states the materials are furnished, not filed, and are not subject to Section 18 liability or incorporated by reference unless specifically referenced.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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 28, 2025

CTS CORPORATION

(Exact name of Registrant as Specified in Its Charter)

Indiana			1-4639	35-0225010
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
4925 Indiana Avenue
Lisle, Illinois				60532
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (630) 577-8800

(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, no par value		CTS		The 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 7.01 Regulation FD Disclosure.

The investor presentation included as Exhibit 99.1 to this Current Report on Form 8-K may be presented by CTS Corporation (the “Company”) at meetings with investors, analysts, and others, in whole or in part and possibly with modifications, during the fiscal year ended December 31, 2025.

By filing this Current Report on Form 8-K and furnishing the information contained herein, the Company makes no admission as to the materiality of any information in this report that is required to be disclosed solely by reason of Regulation FD.

The information contained in Item 7.01 of this Current Report on Form 8-K and Exhibit 99.1 shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. Furthermore, such information shall not be deemed to be incorporated by reference into any filing made by the Company under the Securities Act of 1933 or the Exchange Act, except as set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit		Description
99.1		Investor Presentation dated October 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL Document)

SIGNATURES

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

			CTS CORPORATION
Date:	October 28, 2025	By:	/s/ Ashish Agrawal
			Ashish Agrawal Vice President and Chief Financial Officer

FAQ

What did CTS (CTS) announce in this 8‑K?

CTS furnished an investor presentation as Exhibit 99.1 under Item 7.01 (Reg FD).

Is the CTS investor presentation considered filed?

No. The company states the materials are furnished, not filed, and not subject to Section 18.

When may the CTS presentation be used?

It may be presented during the fiscal year ended December 31, 2025.

Where can investors find the materials?

In Exhibit 99.1 to the Form 8‑K; a Cover Page Inline XBRL file is listed as Exhibit 104.

Who signed the report for CTS?

It was signed by Ashish Agrawal, Vice President and Chief Financial Officer, dated October 28, 2025.

What is the trading symbol and exchange for CTS?

CTS trades on the NYSE under the symbol CTS.