reports

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

TELEPHONE & DATA SYSTEMS INC /DE/ has filed 2,775 SEC EDGAR filings since 18 Dec 1997

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 426-450 of 1,000 matching filings.

Per page

Current page

25-NSE File 001-14157

25-NSE filing

Filing date: 12 May 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-14157

10-Q

Filing date: 06 May 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 06 May 2021
Reporting date: 06 May 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 16 Apr 2021
Reporting date: 13 Apr 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

DEFA14A File 001-14157

DEFA14A

Filing date: 07 Apr 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-14157

DEF 14A

Filing date: 07 Apr 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 19 Mar 2021
Reporting date: 17 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

FORM 4

Filing date: 16 Mar 2021
Reporting date: 16 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-55069

SEC SCHEDULE 13G

Filing date: 09 Mar 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 09 Mar 2021
Reporting date: 08 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

FORM 4

Filing date: 09 Mar 2021
Reporting date: 05 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

CERT File 001-14157

NYSE CERTIFICATION

Filing date: 03 Mar 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-A12B File 001-14157

8-A12B

Filing date: 02 Mar 2021
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 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4

Filing date: 02 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-14157

8-K

Filing date: 25 Feb 2021
Reporting date: 19 Feb 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

424B5 File 333-231181

424B5

Filing date: 25 Feb 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing