53 results
10-K
paaynu1ii511
22 Feb 19
Annual report
12:00am
8-K
EX-99.1
p74de17
25 May 18
Merger of Great Plains Energy and Westar Energy Approved, Paving Way for Benefits
4:31pm
8-K
EX-99.1
ttogx4 e4
9 Dec 14
Regulation FD Disclosure
12:00am
8-K
EX-99.1
yq1mjtuse5a
10 Nov 14
Regulation FD Disclosure
12:00am
8-K
EX-99.1
abamzf8r6df fzb
15 Sep 14
Entry into a Material Definitive Agreement
12:00am
8-K
EX-99.1
8jj5fst2
11 Aug 14
Departure of Directors or Certain Officers
12:00am
8-K
EX-99.1
bv87db
9 Jun 14
Regulation FD Disclosure
12:00am
8-K
EX-99.1
ztp5l09t6fw
25 Mar 14
Regulation FD Disclosure
12:00am