Chambers Douglas W (CIK 1739622) reported 19 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2025-08-14). Recent activity: Buy TDS (6,634 shares), Buy TDS (10,592 shares), Buy TDS (11,601 shares), Sell TDS (41,992 shares), Sell USM (93,300 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-14 | TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) | President of a Subsidiary | Buy | 6,634 | $203,796 |
| 2025-08-14 | TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) | President of a Subsidiary | Buy | 10,592 | $311,934 |
| 2025-08-14 | TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) | President of a Subsidiary | Buy | 11,601 | $322,392 |
| 2025-08-14 | TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) | President of a Subsidiary | Sell | 41,992 | $1.6M |
| 2025-08-14 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Sell | 93,300 | $7.1M |
| 2025-08-05 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Buy | 11,522 | $0 |
| 2025-08-05 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Sell | 5,416 | $398,076 |
| 2025-08-05 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Buy | 41,132 | $0 |
| 2025-08-05 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Sell | 19,333 | $1.4M |
| 2025-08-05 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Buy | 67,005 | $0 |
| 2025-08-05 | ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) | Interim President and CEO | Sell | 67,005 | $4.9M |
| 2025-04-07 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Buy | 11,522 | $0 |
| 2025-04-07 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Sell | 4,953 | $340,321 |
| 2025-04-07 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Buy | 22,389 | $0 |
| 2025-04-07 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Sell | 10,523 | $678,523 |
| 2025-04-07 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Buy | 20,374 | $0 |
| 2025-04-07 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Sell | 9,577 | $617,525 |
| 2025-03-06 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Buy | 6,906 | $0 |
| 2025-03-06 | UNITED STATES CELLULAR CORP (USM) | EVP-CFO & Treasurer | Sell | 2,210 | $140,357 |
Source: SEC Form 4 filings · as of 2025-08-14