Financial reports
10-K
2023 FY
Annual report
23 Feb 24
10-Q
2023 Q3
Quarterly report
6 Nov 23
10-Q
2023 Q2
Quarterly report
4 Aug 23
10-Q
2023 Q1
Quarterly report
5 May 23
10-K
2022 FY
Annual report
27 Feb 23
10-Q
2022 Q3
Quarterly report
4 Nov 22
10-Q
2022 Q2
Quarterly report
9 Aug 22
10-Q
2022 Q1
Quarterly report
5 May 22
10-K
2021 FY
Annual report
23 Feb 22
10-Q
2021 Q3
Quarterly report
8 Nov 21
Current reports
8-K
Trinseo Announces Commencement of Sale Process for Interest in Americas Styrenics
13 Mar 24
8-K
Departure of Directors or Certain Officers
27 Feb 24
8-K
Trinseo Reports Fourth Quarter and Full-Year 2023 Financial Results; Provides First Quarter 2024 Outlook
12 Feb 24
8-K
Trinseo Reports Third Quarter 2023 Financial Results and Updates 2023 Outlook
3 Nov 23
8-K/A
Trinseo Completes Strategic Network Optimization Initiative with
30 Oct 23
8-K
Departure of Directors or Certain Officers
22 Sep 23
8-K
Trinseo Announces Completion of Transaction to Refinance $660 million 2024 Term Loan and $385 million of 2025 Senior Notes
8 Sep 23
8-K
Cost Associated with Exit or Disposal Activities
23 Aug 23
8-K
Regulation FD Disclosure
16 Aug 23
8-K
Regulation FD Disclosure
10 Aug 23
Registration and prospectus
S-8
Registration of securities for employees
4 Aug 23
S-8
Registration of securities for employees
9 Aug 22
15-12B
Securities registration termination
18 Oct 21
25-NSE
Exchange delisting
8 Oct 21
8-K12B
Notification of registration of securities
8 Oct 21
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Oct 21
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Oct 21
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Oct 21
S-8
Registration of securities for employees
30 Jul 20
S-8
Registration of securities for employees
31 Jul 19
Proxies
DEFA14A
Additional proxy soliciting materials
9 Jun 23
DEFA14A
Additional proxy soliciting materials
15 May 23
DEFA14A
Additional proxy soliciting materials
1 May 23
DEF 14A
Definitive proxy
1 May 23
PRE 14A
Preliminary proxy
21 Apr 23
DEFA14A
Additional proxy soliciting materials
25 Apr 22
DEF 14A
Definitive proxy
25 Apr 22
PRE 14A
Preliminary proxy
15 Apr 22
DEFA14A
Additional proxy soliciting materials
27 Apr 21
DEF 14A
Definitive proxy
27 Apr 21
Other
UPLOAD
Letter from SEC
15 Jun 21
CORRESP
Correspondence with SEC
12 May 21
UPLOAD
Letter from SEC
6 May 21
UPLOAD
Letter from SEC
8 Nov 16
CORRESP
Correspondence with SEC
7 Nov 16
CORRESP
Correspondence with SEC
26 Oct 16
UPLOAD
Letter from SEC
20 Oct 16
CORRESP
Correspondence with SEC
4 Oct 16
UPLOAD
Letter from SEC
20 Sep 16
CORRESP
Correspondence with SEC
12 Apr 16