Financial reports
10-Q
2018 Q3
Quarterly report
2 Nov 18
10-Q
2018 Q2
Quarterly report
2 Aug 18
10-Q
2018 Q1
Quarterly report
4 May 18
10-K
2017 FY
Annual report
27 Feb 18
10-Q
2017 Q3
Quarterly report
1 Nov 17
10-Q
2017 Q2
Quarterly report
3 Aug 17
10-Q
2017 Q1
Quarterly report
4 May 17
10-K
2016 FY
Annual report
15 Mar 17
10-Q
2016 Q3
Quarterly report
9 Nov 16
10-Q
2016 Q2
Quarterly report
4 Aug 16
Current reports
8-K
Entry into a Material Definitive Agreement
26 Mar 18
8-K
Entry into a Material Definitive Agreement
17 Oct 17
8-K
Entry into a Material Definitive Agreement
19 Dec 16
8-K
Entry into a Material Definitive Agreement
10 Nov 16
8-K
Changes in Registrant's Certifying Accountant
22 Sep 16
8-K
Dominion-Questar Combination Receives Wyoming Public Service Commission Approval; Companies Expect to Close on Merger September 16
15 Sep 16
8-K
Entry into a Material Definitive Agreement
25 Aug 16
8-K
Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
19 Aug 16
8-K
Departure of Directors or Certain Officers
27 Apr 16
8-K
Entry into a Material Definitive Agreement
24 Mar 16
Registration and prospectus
15-15D
Suspension of duty to report
29 Jan 19
RW
Registration withdrawal request
28 Dec 18
S-3/A
Shelf registration (amended)
30 May 12
S-3
Shelf registration
15 May 12
424B5
Prospectus supplement for primary offering
26 Mar 08
FWP
Free writing prospectus
25 Mar 08
424B5
Prospectus supplement for primary offering
24 Mar 08
S-3/A
Shelf registration (amended)
1 Feb 08
S-3
Shelf registration
13 Nov 07
424B3
Prospectus supplement
19 Mar 03
Other
UPLOAD
Letter from SEC
18 Oct 16
CORRESP
Correspondence with SEC
29 Sep 16
UPLOAD
Letter from SEC
20 Sep 16
CORRESP
Correspondence with SEC
24 Sep 13
UPLOAD
Letter from SEC
24 Sep 13
UPLOAD
Letter from SEC
18 Sep 13
UPLOAD
Letter from SEC
22 Feb 13
UPLOAD
Letter from SEC
9 Nov 12
UPLOAD
Letter from SEC
28 Sep 12
CORRESP
Correspondence with SEC
13 Jun 12