X0508 4 2026-02-13 0000732717 AT&T INC. T 0001649256 McAtee David R II 208 S. AKARD ST. DALLAS TX 75202 1 Sr. Exec. VP and Gen. Counsel 0 Common Stock 2026-02-13 4 M 0 23379 A 374934 D Common Stock 2026-02-13 4 F 0 8651 28.80 D 366283 D Common Stock 10165.8856 I By 401(k) Common Stock 478668 I By LP Common Stock 123775 I By Trust Restricted Stock Units (2025) 2026-02-13 4 M 0 23379 D Common Stock 23379 46760 D Restricted stock units acquired pursuant to the 2018 Incentive Plan. Each unit will convert into one share of issuer's common stock. One-third of the units vests and distributes on each of 2/15/2026, 2/15/2027, and 2/15/2028. Vesting (but not distribution) is accelerated on retirement eligibility. Mandatory tax withholding on distribution of Restricted Stock Units. Based on a 401(k) plan statement dated 1/31/2026. /s/ Johnell C. Holland, Attorney-in-fact 2026-02-18