AT&T Director Marissa A. Mayer Acquires Deferred Stock Units

This Form 4 filing reports that AT&T Inc. director Marissa A. Mayer acquired 6,763.285 deferred stock units on June 30, 2026, at a price of $20.70 per share. The deferred stock units were acquired pursuant to AT&T's Non-Employee Director Stock and Deferral Plan. Following this transaction, Mayer now holds a total of 45,521.88 deferred stock units. The filing indicates that after Mayer ceases to be a director, each unit will be paid out in cash equal to the value of one share of AT&T common stock at times elected by the director. The filing was signed on July 2, 2026, by Johnell C. Holland as attorney-in-fact for Mayer. This transaction represents a routine acquisition of equity compensation by a non-employee director under AT&T's established compensation plan.