996 filings
Page 5 of 50
4
Catherine T. Chao
15 May 23
WESTLAKE / Catherine T. Chao ownership change
9:15am
S-8
WLK
Westlake Corporation
11 May 23
Registration of securities for employees
4:26pm
3
Catherine T. Chao
11 May 23
WESTLAKE / Catherine T. Chao ownership change
11:03am
3
Carolyn Chao Sabat
11 May 23
WESTLAKE / Carolyn Chao Sabat ownership change
11:02am
4
WLK
Westlake Corporation
10 May 23
WESTLAKE / Mark Steven Bender ownership change
7:42am
144
Robert F. Buesinger
9 May 23
Notice of proposed sale of securities
4:11pm
144
WLK
Westlake Corporation
8 May 23
Notice of proposed sale of securities
5:43pm
10-Q
2023 Q1
WLK
Westlake Corporation
Quarterly report
4 May 23
2:13pm
8-K
WLK
Westlake Corporation
4 May 23
Westlake Corporation Reports First Quarter 2023 Results
7:25am
PX14A6G
As You Sow
20 Apr 23
Letter to shareholders
10:45am
8-K
WLK
Westlake Corporation
5 Apr 23
Departure of Directors or Certain Officers
5:09pm
ARS
2022 FY
WLK
Westlake Corporation
31 Mar 23
Annual report to shareholders
10:07am
DEFA14A
WLK
Westlake Corporation
31 Mar 23
Additional proxy soliciting materials
10:03am
DEF 14A
WLK
Westlake Corporation
Definitive proxy
31 Mar 23
10:01am
PRE 14A
WLK
Westlake Corporation
Preliminary proxy
20 Mar 23
2:24pm
4/A
Johnathan Stevan Zoeller
15 Mar 23
WESTLAKE / Johnathan Stevan Zoeller ownership change
3:23pm
4/A
Kearns Roger L.
15 Mar 23
WESTLAKE / Roger L. Kearns ownership change
3:22pm
4/A
Thomas J. Janssens
15 Mar 23
WESTLAKE / Thomas J. Janssens ownership change
3:21pm
4/A
Ederington L. Benjamin
15 Mar 23
WESTLAKE / L. Benjamin Ederington ownership change
3:20pm
4/A
James Chao
15 Mar 23
WESTLAKE / James Chao ownership change
3:19pm