Western Midstream Operating, LP SEC filing history

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SEC filing history

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SC 13D/A File 005-84028

SCHEDULE 13D AMENDMENT NO. 8

Filing date: 18 Jan 2013
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B5 File 333-183505

DEFINITIVE PROSPECTUS SUPPLEMENT

Filing date: 28 Dec 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 28 Dec 2012
Reporting date: 28 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 20 Dec 2012
Reporting date: 19 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

MAIN DOCUMENT DESCRIPTION

Filing date: 12 Dec 2012
Reporting date: 12 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 12 Dec 2012
Reporting date: 12 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 11 Dec 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 10 Dec 2012
Reporting date: 10 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 03 Dec 2012
Reporting date: 30 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 03 Dec 2012
Reporting date: 03 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 28 Nov 2012
Reporting date: 27 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 23 Nov 2012
Reporting date: 21 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 16 Nov 2012
Reporting date: 14 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 14 Nov 2012
Reporting date: 13 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 14 Nov 2012
Reporting date: 13 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 06 Nov 2012
Reporting date: 05 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 02 Nov 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-34046

FORM 10-Q FOR QUARTERLY PERIOD ENDED SEPTEMBER 30, 2012

Filing date: 01 Nov 2012
Reporting date: 30 Sep 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 31 Oct 2012
Reporting date: 31 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 18 Oct 2012
Reporting date: 18 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-34046

FORM 8-K

Filing date: 11 Oct 2012
Reporting date: 11 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

424B5 File 333-174043

DEFINITIVE PROSPECTUS SUPPLEMENT

Filing date: 10 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

FWP File 333-174043

FREE WRITING PROSPECTUS

Filing date: 09 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-174043

PRELIMINARY PROSPECTUS SUPPLEMENT

Filing date: 09 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-183505

EFFECT filing

Filing date: 19 Sep 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing