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Trinseo (TSE) SEC Filings & 10K Form

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Recent Trinseo SEC Filings

DateFilerForm TypeView
05/08/2025
11:21 AM
Trinseo (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/07/2025
4:26 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/29/2025
11:23 AM
Trinseo (Filer)
Form DEF 14A
04/29/2025
11:26 AM
Trinseo (Filer)
Form DEFA14A
04/29/2025
11:30 AM
Trinseo (Filer)
Form ARS
04/18/2025
12:18 PM
Trinseo (Filer)
Form PRE 14A
03/20/2025
3:30 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/14/2025
2:14 PM
Frisch Johanna (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2025
2:50 PM
Trinseo (Issuer)
Yang Arthas Bing (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2025
2:51 PM
Trinseo (Issuer)
van Kessel Bregje (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2025
2:52 PM
Stasse David Phillip (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2025
2:52 PM
Schewe Rainer (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
10:53 AM
Trinseo (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/25/2025
11:52 AM
Reverberi Francesca (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:53 AM
Trinseo (Issuer)
van Kessel Bregje (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:54 AM
Trinseo (Issuer)
Yang Arthas Bing (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:46 AM
BOZICH FRANK A (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:47 AM
Chaclas Angelo N. (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:47 AM
Cooney Paula M. (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:48 AM
Frisch Johanna (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:49 AM
Greene Roger (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:50 AM
Hendriks Han (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:50 AM
Schewe Rainer (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
11:51 AM
Stasse David Phillip (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/12/2025
3:24 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/21/2025
5:31 AM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/17/2025
4:09 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/16/2025
5:30 AM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/17/2024
4:11 PM
CastleKnight Master Fund LP (Filed by)
Trinseo (Subject)
Form SC 13G
12/17/2024
5:00 AM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/11/2024
5:01 AM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/10/2024
5:45 AM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/03/2024
4:29 PM
Cooney Paula M. (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/07/2024
10:18 AM
Trinseo (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/06/2024
4:19 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/07/2024
4:02 PM
Trinseo (Filer)
Form 8-K/A
10/07/2024
1:51 PM
Hendriks Han (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/30/2024
3:20 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/27/2024
10:56 AM
Greene Roger (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/24/2024
2:18 PM
Frisch Johanna (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/20/2024
9:24 AM
COTE JEFFREY J (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
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08/14/2024
8:28 AM
Chaclas Angelo N. (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2024
8:29 AM
BOZICH FRANK A (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/13/2024
5:22 PM
TOMKINS MARK E (Reporting)
Trinseo (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/07/2024
11:39 AM
Trinseo (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/06/2024
3:27 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/22/2024
4:22 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/08/2024
3:32 PM
BlackRock Inc. (Filed by)
Trinseo (Subject)
Form SC 13G/A
06/27/2024
1:20 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/26/2024
3:59 PM
Trinseo (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/25/2024
3:39 PM
Brifo Victoria (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:40 PM
Johnson KLynne (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:34 PM
De Leener Pierre-Marie (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:35 PM
Desmond Jeanmarie F. (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:36 PM
FARRELL MATTHEW (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:37 PM
LIN SANDRA BEACH (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:38 PM
STEINMETZ HENRI (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:38 PM
TOMKINS MARK E (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:26 PM
ALVARADO JOSEPH (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/25/2024
3:27 PM
COTE JEFFREY J (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:31 PM
Brifo Victoria (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:32 PM
COTE JEFFREY J (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:33 PM
De Leener Pierre-Marie (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:34 PM
Desmond Jeanmarie F. (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:34 PM
FARRELL MATTHEW (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:35 PM
Johnson KLynne (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:36 PM
LIN SANDRA BEACH (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:37 PM
STEINMETZ HENRI (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:37 PM
TOMKINS MARK E (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2024
3:31 PM
ALVARADO JOSEPH (Reporting)
Trinseo (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
(Data available from 1/1/2016 forward)


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This page (NYSE:TSE) was last updated on 6/14/2025 by MarketBeat.com Staff
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