Latest filings (excl ownership)
8-K
Trinseo Reports First Quarter 2024 Financial Results and Provides Second Quarter Outlook
8 May 24
DEFA14A
Additional proxy soliciting materials
29 Apr 24
DEF 14A
Definitive proxy
29 Apr 24
PRE 14A
Preliminary proxy
19 Apr 24
8-K
Entry into a Material Definitive Agreement
2 Apr 24
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
10-K
2023 FY
Annual report
23 Feb 24
8-K
Trinseo Reports Fourth Quarter and Full-Year 2023 Financial Results; Provides First Quarter 2024 Outlook
12 Feb 24
10-Q
2023 Q3
Quarterly report
6 Nov 23
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
S-8
Registration of securities for employees
4 Aug 23
10-Q
2023 Q2
Quarterly report
4 Aug 23
8-K
Trinseo Reports Second Quarter 2023 Financial Results, Announces Additional Restructuring Initiatives and Updates 2023 Outlook
3 Aug 23
8-K
Departure of Directors or Certain Officers
26 Jul 23
8-K
Trinseo Announces Executive Leadership Team Changes
20 Jul 23
8-K
Submission of Matters to a Vote of Security Holders
16 Jun 23
DEFA14A
Additional proxy soliciting materials
9 Jun 23
DEFA14A
Additional proxy soliciting materials
15 May 23
10-Q
2023 Q1
Quarterly report
5 May 23
8-K
Regulation FD Disclosure
5 May 23
8-K
Trinseo Reports First Quarter 2023 Financial Results, Announces Cash Improvement Initiatives and Updates 2023 Outlook
4 May 23
DEFA14A
Additional proxy soliciting materials
1 May 23
DEF 14A
Definitive proxy
1 May 23
PRE 14A
Preliminary proxy
21 Apr 23
8-K
Departure of Directors or Certain Officers
18 Apr 23
10-K
2022 FY
Annual report
27 Feb 23
8-K
Trinseo Reports Fourth Quarter and Full-Year 2022 Financial Results; Provides Full-Year 2023 Guidance
8 Feb 23
8-K
Fourth Quarter 2022 Expected Results
26 Jan 23
8-K
Cost Associated with Exit or Disposal Activities
19 Dec 22
10-Q
2022 Q3
Quarterly report
4 Nov 22
8-K
Trinseo Reports Third Quarter 2022 Financial Results; Updates Full-Year Outlook
2 Nov 22
8-K
Results of Operations and Financial Condition
18 Oct 22
10-Q
2022 Q2
Quarterly report
9 Aug 22
Latest ownership filings
3
Arthas Bing Yang
5 Mar 24
4
Paula M. Cooney
27 Feb 24
4
Han Hendriks
27 Feb 24
4
FRANK A BOZICH
23 Feb 24
4
David Phillip Stasse
23 Feb 24
4
Angelo N. Chaclas
23 Feb 24
4
Paula M. Cooney
23 Feb 24
4
Francesca Reverberi
23 Feb 24
4
Kessel Bregje van
23 Feb 24
4
Han Hendriks
23 Feb 24
4
Rainer Schewe
23 Feb 24
4
Roger Greene
23 Feb 24
4
Johanna Frisch
23 Feb 24
4
David Phillip Stasse
21 Feb 24
4
Kessel Bregje van
21 Feb 24
4
FRANK A BOZICH
21 Feb 24
4
James Mingyu Ni
21 Feb 24
4
Francesca Reverberi
21 Feb 24
4
Timothy J Thomas
21 Feb 24
4
Angelo N. Chaclas
21 Feb 24
4
Rainer Schewe
21 Feb 24
SC 13G/A
BlackRock Inc.
6 Feb 24
4
MATTHEW FARRELL
18 Dec 23
SC 13G/A
BlackRock Inc.
6 Oct 23
3
Roger Greene
26 Sep 23
4
Roger Greene
26 Sep 23
4
David Phillip Stasse
18 Sep 23
4
Jeanmarie F. Desmond
13 Sep 23
4
Angelo N. Chaclas
13 Sep 23
4
Timothy J Thomas
13 Sep 23
4
FRANK A BOZICH
13 Sep 23
4/A
Victoria Brifo
13 Jul 23
4/A
MARK E TOMKINS
13 Jul 23
4/A
JOSEPH ALVARADO
13 Jul 23
4/A
SANDRA BEACH LIN
13 Jul 23
4/A
Donald T Misheff
13 Jul 23
4/A
Jeanmarie F. Desmond
13 Jul 23
4/A
PHILIP R MARTENS
13 Jul 23
4/A
MATTHEW FARRELL
13 Jul 23
4/A
JEFFREY J COTE
13 Jul 23