(TDS)

Reporting relationship: President and CEO, Director
Issuer ticker: TDS
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 May 2026, 16:20:46 UTC
Prior SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: John M. Toomey, by power of atty.

Key filing fact

Walter Cd Carlson filed Form 4 for TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) on 26 May 2026.

Key facts

This page summarizes Walter Cd Carlson's Form 4 filing for TELEPHONE & DATA SYSTEMS INC /DE/ (TDS).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 May 2026, 16:20.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001230118 Primary reporting owner

CARLSON WALTER CD

Relationship: President and CEO, Director
Address: 30 N. LASALLE ST. STE. 4000, CHICAGO
Signature: John M. Toomey, by power of atty.
Signature date: 26 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TDS transaction

Common Shares

Award

Transaction value
Shares: +11,905
Change %: +5.4%
Price: $41.20^*
Shares after: 233,429
Date: 21 May 2026
Ownership: Direct
Footnotes: F1

TDS transaction

Common Shares

Tax liability

Transaction value
Shares: -5,016
Change %: -2.1%
Price: $41.20^*
Shares after: 228,609
Date: 21 May 2026
Ownership: Direct
Footnotes: F2, F3

TDS holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,091,733
Date: 21 May 2026
Ownership: By Voting Trust
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TDS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -11,905
Change %: -33%
Price: $0.000000^*
Shares after: 23,810
Date: 21 May 2026
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 11,905
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Restricted stock units were awarded on May 21, 2025, pursuant to TDS' Long Term Incentive Plan. One-third of the restricted stock units will vest on the first, second and third annual anniversaries of the Grant Date. This transaction represents settlement of the first vesting. Each restricted stock unit ("RSU") represents the right to receive one common share.

Footnote F2

Shares withheld to pay taxes.

Footnote F3

Includes 78,215 Common Shares held through dividend reinvestment.

Footnote F4

Reporting person is a trustee of a voting trust which is record owner of these Common Shares and which files its holdings on a form 4. The shares reported are held by respective reporting person and their family members that have a pecuniary interest in such securities. Includes 693,751 Common Shares held by a family partnership of which reporting person is a general partner, of which 23,754 has been accumulated in dividend reinvestment. Reporting person also holds 194,004 Common Shares in the dividend reinvestment plan.