TTM TECHNOLOGIES INC

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

Form 10-Q

☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 28,2026

Or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ____________ to____________

Commission File Number:000-31285

(Exact name of registrant as specified in its charter)

200 East Sandpointe, Suite 400, Santa Ana, California 92707

(Address of principal executive offices)

(714)327-3000

(Registrant’s telephone number, including area code)

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

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☑ No☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐ No☑

As of October 23, 2026, there were outstanding 105,375,520 shares of the registrant’s Common Stock, $0.001 par value.

Form 10-Q

For the Quarter Ended September 28, 2026

TABLE OF CONTENTS

Glossary of Terms and Acronyms

The following table provides definitions of certain terms and acronyms that may be used within the text of this Report.

The Company uses a 52/53-week fiscal calendar with the fourth quarter ending on the Monday nearest December 31. Discussion and analysis in this Report is for the quarter and three quarters ended September 28, 2026, compared to the quarter and three quarters ended September 29, 2025, unless otherwise stated.