Financial reports
10-Q
2024 Q1
Quarterly report
25 Apr 24
ARS
2023 FY
Annual report to shareholders
13 Mar 24
10-K
2023 FY
Annual report
20 Feb 24
10-Q
2023 Q3
Quarterly report
26 Oct 23
10-Q
2023 Q2
Quarterly report
27 Jul 23
10-Q
2023 Q1
Quarterly report
27 Apr 23
ARS
2022 FY
Annual report to shareholders
15 Mar 23
10-K
2022 FY
Annual report
21 Feb 23
10-Q
2022 Q3
Quarterly report
27 Oct 22
10-Q
2022 Q2
Quarterly report
28 Jul 22
Current reports
8-K
Departure of Directors or Certain Officers
26 Apr 24
8-K
West Announces First-Quarter 2024 Results and Declares Third-Quarter 2024 Dividend
25 Apr 24
8-K
West Announces Fourth-Quarter and Full-Year 2023 Results
15 Feb 24
8-K
Entry into a Material Definitive Agreement
30 Nov 23
8-K
West Announces Third-Quarter 2023 Results, Updates Full-Year 2023 Guidance and Declares Fourth-Quarter 2023 Dividend
26 Oct 23
8-K/A
Submission of Matters to a Vote of Security Holders
21 Sep 23
8-K
West Announces Second-Quarter 2023 Results
27 Jul 23
8-K
Submission of Matters to a Vote of Security Holders
28 Apr 23
8-K
West Announces First-Quarter 2023 Results and Declares Third-Quarter 2023 Dividend
27 Apr 23
8-K
West Announces Fourth-Quarter and Full-Year 2022 Results
16 Feb 23
Registration and prospectus
S-8
Registration of securities for employees
3 May 16
SC TO-I/A
Issuer tender offer statement (amended)
6 Jun 12
SC TO-I/A
Issuer tender offer statement (amended)
4 Jun 12
SC TO-C
Information about tender offer
8 May 12
SC TO-I
Issuer tender offer statement
8 May 12
S-8
Registration of securities for employees
12 May 11
S-8
Registration of securities for employees
29 Dec 10
S-8
Registration of securities for employees
30 Dec 08
424B7
Prospectus with selling stockholder info
28 Feb 08
S-3ASR
Automatic shelf registration
7 Aug 07
Proxies
PX14A6G
Letter to shareholders
19 Mar 24
DEFA14A
Additional proxy soliciting materials
13 Mar 24
DEF 14A
Definitive proxy
13 Mar 24
PRE 14A
Preliminary proxy
1 Mar 24
DEFA14A
Additional proxy soliciting materials
15 Mar 23
DEF 14A
Definitive proxy
15 Mar 23
DEFA14A
Additional proxy soliciting materials
14 Apr 22
DEF 14A
Definitive proxy
14 Apr 22
DEFA14A
Additional proxy soliciting materials
24 Mar 21
DEF 14A
Definitive proxy
24 Mar 21
Other
SD
Conflict minerals disclosure
25 May 23
SD
Conflict minerals disclosure
26 May 22
SD
Conflict minerals disclosure
28 May 21
SD
Conflict minerals disclosure
28 May 20
SD
Conflict minerals disclosure
30 May 19
CT ORDER
Confidential treatment order
21 Aug 18
SD
Conflict minerals disclosure
25 May 18
SD
Conflict minerals disclosure
26 May 17
CT ORDER
Confidential treatment order
17 Mar 17
CT ORDER
Confidential treatment order
6 Dec 16