04/19/2024
4:10 PM | Trinseo (Filer)
| Form PRE 14A | |
04/02/2024
3:26 PM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/13/2024
3:28 PM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/05/2024
5:40 PM | Trinseo (Issuer)
Yang Arthas Bing (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/27/2024
2:51 PM | Hendriks Han (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/27/2024
2:54 PM | Cooney Paula M. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:22 PM | Schewe Rainer (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
|
02/23/2024
3:24 PM | Hendriks Han (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:25 PM | Trinseo (Issuer)
van Kessel Bregje (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:28 PM | Cooney Paula M. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:30 PM | Chaclas Angelo N. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:19 PM | Frisch Johanna (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/23/2024
3:21 PM | Greene Roger (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
8:21 PM | Stasse David Phillip (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
7:55 PM | Schewe Rainer (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
7:57 PM | Chaclas Angelo N. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
7:59 PM | Thomas Timothy J (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
8:01 PM | Reverberi Francesca (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
8:03 PM | Ni James Mingyu (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
8:04 PM | BOZICH FRANK A (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2024
8:06 PM | Trinseo (Issuer)
van Kessel Bregje (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/06/2024
8:36 AM | BlackRock Inc. (Filed by)
Trinseo (Subject)
| Form SC 13G/A | |
11/06/2023
12:48 PM | Trinseo (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/03/2023
3:23 PM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/30/2023
5:55 AM | Trinseo (Filer)
| Form 8-K/A | |
10/06/2023
1:34 PM | BlackRock Inc. (Filed by)
Trinseo (Subject)
| Form SC 13G/A | |
09/22/2023
10:30 AM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/18/2023
12:53 PM | Stasse David Phillip (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/13/2023
1:52 PM | BOZICH FRANK A (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/13/2023
1:55 PM | Thomas Timothy J (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/13/2023
1:57 PM | Chaclas Angelo N. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/13/2023
2:01 PM | Desmond Jeanmarie F. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/08/2023
9:08 AM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/23/2023
3:45 PM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/16/2023
5:30 AM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/10/2023
5:30 AM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/04/2023
11:10 AM | Trinseo (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/04/2023
11:48 AM | Trinseo (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
07/20/2023
3:37 PM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/13/2023
4:03 PM | MARTENS PHILIP R (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
4:05 PM | Desmond Jeanmarie F. (Reporting)
Trinseo (Issuer)
| Form 4/A | |
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07/13/2023
4:09 PM | Misheff Donald T (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
4:12 PM | LIN SANDRA BEACH (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
4:13 PM | ALVARADO JOSEPH (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
4:16 PM | TOMKINS MARK E (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
4:18 PM | Brifo Victoria (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
3:46 PM | STEINMETZ HENRI (Reporting)
Trinseo (Issuer)
| Form 4/A | |
07/13/2023
3:50 PM | De Leener Pierre-Marie (Reporting)
Trinseo (Issuer)
| Form 4/A | |
06/16/2023
2:21 PM | FARRELL MATTHEW (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:23 PM | Johnson KLynne (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:25 PM | LIN SANDRA BEACH (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:26 PM | STEINMETZ HENRI (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:28 PM | TOMKINS MARK E (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:30 PM | MARTENS PHILIP R (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:10 PM | COTE JEFFREY J (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:16 PM | De Leener Pierre-Marie (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:18 PM | Desmond Jeanmarie F. (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:00 PM | Misheff Donald T (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:04 PM | ALVARADO JOSEPH (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
2:07 PM | Brifo Victoria (Reporting)
Trinseo (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/16/2023
10:07 AM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/09/2023
10:57 AM | Trinseo (Filer)
| Form DEFA14A | |
05/05/2023
11:23 AM | Trinseo (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/05/2023
10:57 AM | Trinseo (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/01/2023
9:00 AM | Trinseo (Filer)
| Form DEF 14A | |
