| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Common Shares ($1.00 par value) |
| (b) | Name of Issuer:
Array Digital Infrastructure, Inc. |
| (c) | Address of Issuer's Principal Executive Offices:
500 West Madison Street, Suite 810, Chicago,
ILLINOIS
, 60661. |
Item 1 Comment:
This Amendment Number 23 to the Amended and Restated Schedule 13D is being filed pursuant to Section 13(d)(2) of the Securities Exchange Act of 1934, as amended (the "Act"), by Telephone and Data Systems, Inc., a Delaware corporation ("TDS"). This amended Schedule 13D relates to the ownership by TDS of Common Shares, par value $1.00 per share ("Array Common Shares") of Array Digital Infrastructure, Inc. (formerly known as United States Cellular Corporation), a Delaware corporation (the "Issuer"), and/or Series A Common Shares, par value $1.00 per share ("Array Series A Common Shares") of the Issuer, which are convertible on a share-for-share basis into Array Common Shares. |
| Item 2. | Identity and Background |
|
| (a) | TDS and a majority of the Trustees of the Amendment and Restatement (dated as of April 22, 2005) of Voting Trust under Agreement dated June 30, 1989 (the "Voting Trust"), are filing this Schedule 13D amendment concerning their direct and indirect beneficial ownership of Array Common Shares.
The information with respect to the directors and executive officers of TDS is set forth on Appendices A and B attached hereto, and incorporated herein by reference. The information with respect to the trustees of the Voting Trust is set forth on Appendix C attached hereto, and incorporated herein by reference. |
| (b) | The principal business and office address of TDS is 30 North LaSalle Street, Suite 4000, Chicago, Illinois 60602. The information with respect to the directors and executive officers of TDS is set forth on Appendices A and B attached hereto, and incorporated herein by reference.
The principal business address of the Voting Trust is c/o TDS, 30 North LaSalle Street, Suite 4000, Chicago, Illinois 60602. The information with respect to the trustees of the Voting Trust is set forth on Appendix C attached hereto, and incorporated herein by reference. |
| (c) | TDS' principal business is that of providing high-quality communications services. The Voting Trust holds common shares, par value $0.01 per share, of TDS ("TDS Common Shares"), and series A common shares, par value $0.01 per share, of TDS ("TDS Series A Common Shares"), which are convertible on a share-for-share basis into TDS Common Shares, and was created to facilitate long-standing relationships among the trust's certificate holders. Under the terms of the Voting Trust, the trustees hold and vote the TDS Series A Common Shares and TDS Common Shares held in the trust.
The information with respect to the directors and executive officers of TDS is set forth on Appendices A and B attached hereto, and incorporated herein by reference. The information with respect to the trustees of the Voting Trust is set forth on Appendix C attached hereto, and incorporated herein by reference. |
| (d) | To the knowledge of Walter C. D. Carlson, during the last five years, none of TDS, any of the persons named in Appendices A and B attached hereto, the Voting Trust nor any of the persons named in Appendix C attached hereto has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). |
| (e) | To the knowledge of Walter C. D. Carlson, during the last five years, none of TDS, any of the persons named in Appendices A and B attached hereto, the Voting Trust nor any of the persons named in Appendix C attached hereto was a party to a civil proceeding of a judicial or administrative body of competent jurisdiction, and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. |
| (f) | TDS is a Delaware corporation. The Voting Trust is organized under Delaware law. The information with respect to the directors and executive officers of TDS is set forth on Appendices A and B attached hereto, and incorporated herein by reference. The information with respect to the trustees of the Voting Trust is set forth on Appendix C attached hereto, and incorporated herein by reference. |
| Item 3. | Source and Amount of Funds or Other Consideration |
| | The information contained in Item 4 below is incorporated herein by reference. |
| Item 4. | Purpose of Transaction |
| | This Item 4 is being updated by the following information.
On September 1, 2026, TDS issued a press release (the "Press Release") announcing that it is no longer pursuing the acquisition of the Array Common Shares that it does not already own and has withdrawn its previously disclosed proposal. Under the terms of that proposal, each Array Common Share not already owned by TDS would have been exchanged for 0.86 of a TDS Common Share, subject to the assumptions set forth in the proposal. TDS will retain its approximately 82% ownership interest in Array. A copy of the Press Release is filed herewith as Exhibit 2. TDS may in the future recommence its efforts to acquire the Array Common Shares it does not own or pursue other potential transactions involving TDS and Array and may, from time to time, acquire additional Array Common Shares or engage in discussions with Array or members of its Board of Directors regarding any such transactions.
The trustees of the Voting Trust have advised TDS that they intend to maintain the ability to keep or dispose of the voting control of TDS. The trustees of the Voting Trust have further advised TDS that the trustees of the Voting Trust intend that TDS maintain the ability to keep or dispose of the voting control of the Issuer.
TDS and the trustees of the Voting Trust also retain the right to change their intent, to acquire additional securities from time to time or to dispose of all or part of the securities beneficially owned by TDS or the Voting Trust in any manner permitted by the terms of the Voting Trust and/or applicable law.
Except as disclosed or incorporated by reference herein, TDS and the Voting Trust do not have any current intention, plan or proposal with respect to any of the matters specified in paragraphs (a) through (j) of Item 4 of Schedule 13D. |
| Item 5. | Interest in Securities of the Issuer |
| (a) | As of the date of this Amendment Number 23 to Schedule 13D, TDS may be deemed to beneficially own, pursuant to Rule 13d-3(d)(1)(i), an aggregate of 37,782,826 Array Common Shares, which is approximately 70.7% of such shares outstanding. In addition, TDS owns 33,005,877 Array Series A Common Shares which have ten votes per share on all matters and are convertible on a share-for-share basis into Array Common Shares.
The information with respect to the directors and executive officers of TDS is set forth on Appendix D attached hereto, and incorporated herein by reference.
As of the date of this Amendment Number 23 to Schedule 13D, pursuant to Rule 13d-3(d)(1)(i), the Voting Trust may be deemed to beneficially own an aggregate of 37,782,826 Array Common Shares representing 70.7% of such shares. In addition, the Voting Trust may be deemed to beneficially own 33,005,877 Array Series A Common Shares. |
| (b) | TDS.
(i) Sole Power to Vote or Direct the Vote:
TDS is the direct beneficial owner of 37,782,826 Array Common Shares and 33,005,877 Array Series A Common Shares representing approximately 81.9% of all classes of capital stock outstanding of the Issuer. The Array Series A Common Shares have ten votes per share on all matters and are convertible on a share-for-share basis into Array Common Shares. TDS has sole voting power with respect to an aggregate of 37,782,826 Array Common Shares and 33,005,877 Array Series A Common Shares representing approximately 95.9% of the combined voting power of the Array Common Shares and the Array Series A Common Shares. As a result of such ownership, TDS has the voting power to elect all of the directors of the Issuer.
(ii) Shared Power to Vote or Direct the Vote:
None.
(iii) Sole Power to Dispose or Direct the Disposition:
TDS has sole power to dispose of 37,782,826 Array Common Shares and 33,005,877 Array Series A Common Shares, representing approximately 81.9% of all classes of capital stock outstanding of the Issuer.
(iv) Shared Power to Dispose or Direct the Disposition:
None.
(II) Directors and Executive Officers of TDS.
The information with respect to the directors and executive officers of TDS is set forth on Appendix D attached hereto, and incorporated herein by reference.
(III) The Voting Trust.
(i) Sole Power to Vote or Direct the Vote:
None.
(ii) Shared Power to Vote or Direct the Vote:
The Voting Trust is the direct beneficial owner of TDS Series A Common Shares and TDS Common Shares. The Voting Trust holds and the trustees vote 7,214,588 TDS Series A Common Shares and 6,304,890 TDS Common Shares, representing approximately 95.6% of the outstanding TDS Series A Common Shares and approximately 5.9% of the outstanding TDS Common Shares, and approximately 56.8% of the combined voting power of all outstanding shares of TDS capital stock with respect to matters other than the election of directors (based on 107,572,817 TDS Common Shares and 7,543,321 TDS Series A Common Shares on June 30, 2026). Therefore, the Voting Trust may direct a majority of the combined voting power of TDS, which has voting power to elect all directors of the Issuer and has approximately 95.9% of the combined voting power of the Issuer with respect to matters other than the election of directors.
(iii) Sole Power to Dispose or Direct the Disposition:
None.
(iv) Shared Power to Dispose or Direct the Disposition:
The information contained in Item 5(b)(III)(ii) above is incorporated herein by reference. Through the ability to direct a majority of the combined voting power of TDS, the Voting Trust trustees share the power to direct the disposition of 37,782,826 Array Common Shares and 33,005,877 Array Series A Common Shares, representing approximately 81.9% of all classes of capital stock outstanding of the Issuer. |
| (c) | To the knowledge of Walter C. D. Carlson, no transactions were effected during the past sixty days in Array Common Shares by TDS, by any director or executive officer of TDS, or by the Voting Trust except to the extent disclosed herein, and as may be attributable to TDS pursuant to transactions in the ordinary course under employee benefit plans. |
| (d) | To the knowledge of Walter C. D. Carlson, no other person is known to have the right of dividends from, or the proceeds from the sale of the shares of Array Common Shares beneficially owned by TDS. To the knowledge of Walter C. D. Carlson, no person other than the persons listed in Appendix D attached hereto are known to have the right to receive or the power to direct the receipt of dividends from, or other proceeds from the sale of, Array Common Shares beneficially owned by the persons listed in Appendix D attached hereto. To the knowledge of Walter C. D. Carlson, no person other than TDS is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, Array Common Shares or Array Series A Common Shares beneficially owned by the Voting Trust. |
| (e) | Not applicable. |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer |
| | The information contained in Item 4 above is incorporated herein by reference.
The Voting Trust holds TDS Series A Common Shares and TDS Common Shares and was created to facilitate long-standing relationships among the trust's certificate holders. Under the terms of the Voting Trust, the trustees hold and vote TDS Series A Common Shares and TDS Common Shares held in the trust.
As of June 30, 2026, the Voting Trust holds and the trustees vote 7,214,588 TDS Series A Common Shares and 6,304,890 TDS Common Shares, representing approximately 95.6% of the outstanding TDS Series A Common Shares, and approximately 5.9% of the outstanding TDS Common Shares, and approximately 56.8% of the combined voting power of all outstanding shares of TDS capital stock with respect to matters other than the election of directors (based on 107,572,817 TDS Common Shares and 7,543,321 TDS Series A Common Shares on June 30, 2026). Therefore, the Voting Trust trustees may direct a majority of the combined voting power of TDS, which has the voting power to elect all directors of the Issuer and approximately 95.9% of the combined voting power of the Issuer with respect to matters other than the election of directors. |
| Item 7. | Material to be Filed as Exhibits. |
| | Exhibit 1: Joint Filing Agreement and Signature
Exhibit 2: Press Release, dated September 1, 2026, issued by TDS
Appendix A
Appendix B
Appendix C
Appendix D |
