Walter Cd Carlson

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Array Digital Infrastructure Inc., 3 years.

3 years ยท Since 2023
Telephone and Data Systems Inc. Director ยท President and CEO
3 years ยท Since 2023

Chief executive roles

Telephone and Data Systems Inc. ยท President and CEO
Dates unknown

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
May 21, 2026 Telephone and Data Systems Inc. Grant or award +11,905 $41.20 $490,486
May 21, 2026 Telephone and Data Systems Inc. Shares withheld for tax โˆ’5,016 $41.20 $206,659
Aug 1, 2025 Array Digital Infrastructure Inc. Grant or award +1,146 $73.50 $84,231
May 22, 2025 Telephone and Data Systems Inc. Grant or award +2,479 $33.83 $83,865
May 22, 2024 Telephone and Data Systems Inc. Grant or award +6,320 $19.25 $121,660
May 21, 2024 Array Digital Infrastructure Inc. Grant or award +2,836 $43.01 $121,976
Apr 16, 2024 Telephone and Data Systems Inc. Inheritance +118,135 โ€” โ€”
Apr 16, 2024 Telephone and Data Systems Inc. Inheritance +71,989 โ€” โ€”
May 17, 2023 Telephone and Data Systems Inc. Grant or award +1,129 $7.14 $8,061
May 15, 2023 Array Digital Infrastructure Inc. Grant or award +1,372 $15.18 $20,827
Mar 1, 2023 Telephone and Data Systems Inc. Grant or award +8,258 $12.11 $100,004
Mar 1, 2023 Array Digital Infrastructure Inc. Grant or award +4,291 $23.31 $100,023

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