X0609 4 2026-09-11 0 0001051512 TELEPHONE & DATA SYSTEMS INC /DE/ TDS 0000901731 CARLSON LEROY T JR false 30 N. LASALLE STREET, SUITE 4000 CHICAGO IL 60602 1 1 0 0 Vice Chair 0 Common Shares 2026-09-11 4 M 0 77100 19.15 A 557460 D Common Shares 2026-09-11 4 S 0 77100 38.4541 D 480360 D Common Shares 140000 I By Wife Common Shares 78521.322 I By Wife 2026 Trust Common Shares 500000 I By 2026 Trust Common Shares 85149.928 I By Wife 2003 Trust Common Shares 211758 I By Trust Common 78943 I By Trust Common Shares 1813360 I By Voting Trust Option (Right to Buy) 19.15 2026-09-11 4 M 0 77100 0 D 2023-05-21 2030-05-21 Common Shares 77100 0 D These figures reflect an additional 227,190 shares that were previously transferred from Reporting Person's GRAT in a transaction that was exempt from Section 16 pursuant to Rule 16a-13 under the Exchange Act. Reporting person sold Common Shares at an average price of $37.454149 of which the Common Shares were sold in multiple transactions at prices ranging from $37.37 and $37.70. The reporting person undertakes to provide to the SEC, the Issuer and any security holder, the full information regarding the number of shares and the prices at which the shares were sold. Reporting person is a member of the Voting Trust which separately files on Forms 4 for the issuer. The Common Shares reported are held by reporting person and his family members that have a pecuniary interest in such shares. Includes 693,778 Common Shares held by a family partnership of which reporting person is a general partner, of which 23,780 has been accumulated in dividend reinvestment. This number also includes Common Shares that the reporting person accumulates in the dividend reinvestment plan. Granted under the Long-Term Incentive Plan. Stock options were vested. John M. Toomey, by power of atty. 2026-09-15