ADTRAN Holdings Officer Receives Restricted Stock Units Grant

This Form 4 filing reports that James Denson Wilson Jr., Chief Revenue Officer of ADTRAN Holdings, Inc., received a grant of 24,908 restricted stock units on April 1, 2026. The RSUs have a grant price of $0 and vest in four equal annual installments beginning on the first anniversary of the grant date. Following this transaction, Wilson holds 152,609.486 shares directly and an additional 4,246.251 shares indirectly through the company's 401(k) plan. The filing was signed by Dan Ragsdale via power of attorney on April 3, 2026. This transaction represents equity compensation awarded to a key executive officer of the telecommunications equipment company.