05/09/2024 2:05 PM | Trinseo (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
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 | |
America’s worst nightmare? (Ad) What This Group Has Planned for the 2024 Election Will Shock You
Controversial new exposé reveals what’s really going on in America, what it means for your money, and what you must do to protect your assets before it’s too late. Click here to watch this bombshell exposé now. |
07/13/2023 4:05 PM | Desmond Jeanmarie F. (Reporting) Trinseo (Issuer)
| Form 4/A | |
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 | |