TELEPHONE & DATA SYSTEMS INC /DE/ reports

Company location: Chicago, IL
Fiscal year end: 31 December

TELEPHONE & DATA SYSTEMS INC /DE/ has filed 2,786 SEC EDGAR filings since 18 Dec 1997

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SEC filing history

Showing 1-25 of 1,000 matching filings.

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1

4

FORM 4

Filing date: 17 Sep 2026
Reporting date: 16 Sep 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 15 Sep 2026
Reporting date: 11 Sep 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-14157

144 filing

Filing date: 11 Sep 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 08 Sep 2026
Reporting date: 03 Sep 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 08 Sep 2026
Reporting date: 03 Sep 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-55069

SCHEDULE 13D/A filing

Filing date: 02 Sep 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A

SCHEDULE 13D/A filing

Filing date: 02 Sep 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 02 Sep 2026
Reporting date: 01 Sep 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G/A File 005-55069

SCHEDULE 13G/A filing

Filing date: 11 Aug 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-14157

10-Q

Filing date: 07 Aug 2026
Reporting date: 30 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 07 Aug 2026
Reporting date: 07 Aug 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 15 Jun 2026
Reporting date: 11 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 15 Jun 2026
Reporting date: 11 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 15 Jun 2026
Reporting date: 11 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Jun 2026
Reporting date: 09 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

11-K File 001-14157

11-K

Filing date: 02 Jun 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 01 Jun 2026
Reporting date: 01 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 May 2026
Reporting date: 21 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

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