TDS TELEPHONE & DATA SYSTEMS INC Management Changes 8-K Filing 2023 - Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers Telephone & Data Systems subsidiary, UScellular, filed an Addendum to Letter Agreement regarding the compensation of its President and CEO.Get access to all SEC 8-K filings of the TELEPHONE & DATA SYSTEMS INC