# EDGAR Filing Document

**Accession Number:** 0001051512
**File Stem:** 0000901731-26-000007
**Filing Date:** 2026-5
**Character Count:** 12243
**Document Hash:** 4986abbff158cacb84effa9749bf0e7f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000901731-26-000007.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0000901731-26-000007

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260517

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CARLSON LEROY T JR
- **CENTRAL INDEX KEY:** 0000901731

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14157
- **FILM NUMBER:** 26999895

**MAIL ADDRESS:**
- **STREET 1:** C/O TDS
- **STREET 2:** 30 N. LASALLE ST #4000
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60602
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TELEPHONE & DATA SYSTEMS INC /DE/
- **CENTRAL INDEX KEY:** 0001051512
- **STANDARD INDUSTRIAL CLASSIFICATION:** TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 362669023
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 30 NORTH LASALLE STREET
- **STREET 2:** STE 4000
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60602
- **BUSINESS PHONE:** 3126301900

**MAIL ADDRESS:**
- **STREET 1:** 30 NORTH LASALLE STREET
- **STREET 2:** STE 4000
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60602

## Ex-24

![](tdsadsec16powerofattorne001.jpg)

None of the Company, the attorneys-in-fact, or any person appointed under Section 2 or 3 above is assuming any of the Filer's responsibilities under the Securities Exchange Act of 1934, the Securities Act of 1933, and the rules under each. This power of attorney does not create an attorney-client relationship and no action or communication pursuant to it constitutes legal advice. The Company's attorneys represent the Company and its subsidiaries, not individuals. A violation of the securities laws can carry personal civil and criminal penalties. The securities laws are complex and you should consider seeking advice from your personal legal counsel. POWER OF ATTORNEY EDGAR Account Administration SEC Filings The undersigned, acting in his or her individual capacity ("Filer"), hereby constitutes and appoints each of the individuals listed in Section A below, acting singly and not jointly, as the Filer's true and lawful attorney-in-fact, with full powers of substitution and delegation, and authorizes each of them to effect the actions described in Section B below in the best interests of the Filer. The Filer ratifies and confirms every act and thing whatsoever that the attorney-in-fact, or any substitute or delegee, may lawfully do or cause to be done pursuant to this power of attorney, and every act and thing whatsoever that any of them has previously done or caused to be done that is consistent with the intent of this power of attorney. This power of attorney will remain in effect until the Filer is no longer subject to obligations pursuant to section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder in connection with Filer's status as a director, officer or shareholder of Telephone and Data System, Inc. or Array Digital Infrastructure, Inc. ("Company"), or until it is superseded by a replacement power of attorney or it is revoked by the Filer in a writing delivered to the attorneys-in-fact. Elsa Ansani Deborah Friedman John M. Toomey Section B: Authorized Actions 1. Obtain credentials to enable the Filer to submit and file documents, forms and information via the United States Securities and Exchange Commission (SEC) Electronic Data Gathering and Retrieval (EDGAR) system, including enrolling the Filer in EDGAR Next. 2. Act as an account administrator for Filer's EDGAR account, including: (i) appoint, remove and replace account administrators, account users, and delegated entities; (ii) maintain the security of Filer's EDGAR account, including modification of access codes; (iii) maintain, modify and certify the accuracy of information on Filer's EDGAR account dashboard; and (iv) any other actions contemplated by Rule 10 of Regulation S-T. 3. Cause the Company to accept a delegation of authority from Filer's EDGAR account administrators and authorize the Company's EDGAR account administrators pursuant to that delegated entity designation to appoint, remove or replace users to submit filings for Filer's EDGAR account. 4. Sign on behalf of the Filer, in such form and substance as an attorney-in-fact approves in its discretion, any documents or forms that may be required by the Securities Exchange Act of 1934, the Securities Act of 1933, and the rules under each, or any successor laws and regulations, in connection with the Filer's status as a director, officer or shareholder of the Company, including Forms ID, 3, 4, 5 and 144 (collectively, SEC Forms), and legally bind the Filer for purposes of Form ID. 5. Submit and file the SEC Forms via EDGAR, or cause them to be submitted and filed by a person appointed under Section 2 or 3 above. Signed:_________/s/ LeRoy T. Carlson, Jr._____________________________ Printed Name:_____ LeRoy T. Carlson, Jr.______________________________ Dated:___________3/19/26_________________________________ Notary Signature and Seal to be Placed Here:

------

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>CARLSON LEROY T JR<br><sub>(Last) (First) (Middle)</sub><br>30 N. LASALLE STREET, SUITE 4000<br><sub>(Street)</sub><br>CHICAGO, IL 60602<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Vice Chair_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>TELEPHONE & DATA SYSTEMS INC /DE/ [ TDS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Shares | 2026-05-17 |  | M<sup>(1)</sup> |  | 713344 | A | 40.50<sup>(1)(2)</sup> | 1078701 | D |  |
| Common Shares | 2026-05-17 |  | F<sup>(3)</sup> |  | 306558 | D | 40.50<sup>(2)</sup> | 772143 | D |  |
| Common Shares | 2026-05-17 |  | M<sup>(4)</sup> |  | 163146 | A | 40.50<sup>(2)(4)</sup> | 935289 | D |  |
| Common Shares | 2026-05-17 |  | F<sup>(3)</sup> |  | 66483 | D | 40.50<sup>(2)</sup> | 868806 | D |  |
| Common Shares |  |  |  |  |  |  |  | 37543 | I | By Wife |
| Common Shares |  |  |  |  |  |  |  | 312242<sup>(5)</sup> | I | By trust |
| Common Shares |  |  |  |  |  |  |  | 40978.32 | I | By Wife's Trust |
| Common |  |  |  |  |  |  |  | 78943 | I | By Trust |
| Common Shares |  |  |  |  |  |  |  | 211758 | I | By Trust |
| Common Shares |  |  |  |  |  |  |  | 1813229<sup>(6)</sup> | I | By Voting Trust |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(4)</sup> | 2026-05-17 |  | M |  |  | 163146 | <sup>(4)</sup> | <sup>(4)</sup> | Common Shares | 163146 | $40.50 | 0 | D |  |
| Performance Share Units | <sup>(1)</sup> | 2026-05-17 |  | M |  |  | 713344 | <sup>(1)</sup> | <sup>(1)</sup> | Common Shares | 713344 | $40.50 | 0 | D |  |

---

### Footnotes:

(1) On May 17, 2023, the reporting person was granted financial-based performance share units that would be measured over a three year time period. The performance share units have been accumulating quarterly dividend equivalents. The Compensation Human Resources Committee certified the third and final metric on February 25, 2026 and performance shares became adjusted for performance and time based. Each performance share unit represents the contingent right to receive one common share.

(2) The market was closed on vest date therefore the previous trading day's close, May 15, 2026, was used to value the transaction.

(3) Shares withheld to pay taxes on restricted stock units that vested on May 17, 2026.

(4) Restricted stock units were awarded on May 17, 2023, pursuant to the 2022 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 third and final vesting. Each restricted stock unit represents the contingent right to receive one common share.

(5) Includes 312,242 Common Shares held through dividend reinvestment.

(6) Reporting person is a member 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 his 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 30,538 Common Shares in the dividend reinvestment plan.

**Signature:** John M. Toomey, by power of atty.  
**Date:** 2026-05-19

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**