28 filings
15-15D
Questar Gas Co
29 Jan 19
Suspension of duty to report
4:23pm
RW
Questar Gas Co
28 Dec 18
Registration withdrawal request
12:23pm
S-3/A
Questar Gas Co
Shelf registration (amended)
30 May 12
12:00am
S-3
Questar Gas Co
Shelf registration
15 May 12
12:00am
424B5
Questar Gas Co
26 Mar 08
Prospectus supplement for primary offering
12:00am
FWP
946tp
25 Mar 08
Free writing prospectus
12:00am
424B5
rijes1xsp36ajpufbadl
24 Mar 08
Prospectus supplement for primary offering
12:00am
424B3
qi970snkyi4
19 Mar 03
Prospectus supplement
12:00am
424B5
abedj1b3ise p4a
22 Jan 03
Prospectus supplement for primary offering
12:00am
424B5
7nliubior
4 Oct 01
Prospectus supplement for primary offering
12:00am
424B3
a3z64al1v 1t
2 Oct 01
Prospectus supplement
12:00am
424B5
nhee1
6 Oct 97
Prospectus supplement for primary offering
12:00am
424B5
hwh 5buio
25 Sep 97
Prospectus supplement for primary offering
12:00am
424B5
72mg24t5wd 2l9v
25 Sep 97
Prospectus supplement for primary offering
12:00am
424B5
mgopg0
25 Sep 97
Prospectus supplement for primary offering
12:00am
424B5
uiask8j81o
25 Sep 97
Prospectus supplement for primary offering
12:00am