X0508 4/A 2026-01-29 2026-02-02 0001116942 TTM TECHNOLOGIES INC TTMI 0002108784 Fortier Gregory S. 200 EAST SANDPOINTE, SUITE 400 SANTA ANA CA 92707 false true false false SVP, President - Integ. Elec. false Common Stock 2026-01-29 4 A false 5600 0.0000 A 5600 D Reflects the grant of restricted stock units. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock. The restricted stock units will vest one-third on each of the first, second and third anniversaries of the date of grant, and the stock underlying the restricted units will be delivered on or within 30 days of January 29 of each year of vesting. This Form 4/A is an amendment to the Form 4 filed on February 2, 2026 for the same transaction. In Table 1, Item 2, the original Form 4 mistakenly reported a transaction date of December 29, 2025. The information in Item 2 of Table 1 of the original filing has been corrected to reflect that the transaction date was, in fact, January 29, 2026. This Form 4/A is an amendment to the Form 4 filed on February 2, 2026 solely to correct the inadvertent administrative error described in footnote 2. Other than the foregoing, no changes have been made to the original Form 4. /s/ Daniel J. Weber, Attorney-in-Fact 2026-02-03