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MKSI   MKS INC   |  1049502

Available Fillings Total Fillings:2326
Form Type Form Count
8-K 217
UPLOAD 13
NT 10-K 1
10-Q 78
S-8 19
SC TO-I/A 5
CORRESP 10
PREM14A 1
S-3/A 1
424B1 1
RW 2
425 8
CT ORDER 22
SC 13D/A 15
3/A 2
SC 13D 2
SC 13G 22
8-K/A 7
S-4 1
POS AM 1
4/A 37
10-K 25
ARS 13
5 29
5/A 4
SC TO-I 1
S-1/A 5
SCHEDULE 13G 1
144 37
SC 13G/A 104
DEFA14A 14
REGDEX 2
SD 11
424B5 2
REGDEX/A 1
DEFM14A 1
10-K405 1
3 34
4 1526
DEF 14A 26
DFAN14A 7
S-4/A 1
8-A12G 2
S-1 2
424B7 2
S-3ASR 1
SCHEDULE 13G/A 3
PRE 14A 4
S-3 2
Financials Total:327
Form Type Act Filing Date Report Date Action
10-Q 34 08/07/2025 06/30/2025 |    |  
8-K 34 08/06/2025 08/06/2025 |    |  
8-K 34 05/15/2025 05/12/2025 |    |  
10-K 34 02/25/2025 12/31/2024 |    |  
8-K 34 01/24/2025 01/24/2025 |    |  
8-K 34 12/03/2024 12/02/2024 |    |  
10-Q 34 11/07/2024 09/30/2024 |    |  
8-K 34 11/06/2024 11/06/2024 |    |  
8-K 34 11/05/2024 11/04/2024 |    |  
8-K 34 06/20/2024 06/20/2024 |    |  
Ipos Total:27
Form Type Act Filing Date Report Date Action
UPLOAD 05/01/2017 09/21/2025
CORRESP 04/28/2017 09/21/2025
UPLOAD 04/19/2017 09/21/2025
UPLOAD 06/25/2013 09/21/2025
CORRESP 06/19/2013 09/21/2025
UPLOAD 06/12/2013 09/21/2025
UPLOAD 07/17/2012 09/21/2025
CORRESP 06/19/2012 09/21/2025
CORRESP 04/30/2012 09/21/2025
UPLOAD 03/23/2012 09/21/2025
Form Type Act Filing Date Report Date Action
4 09/19/2025 09/18/2025
4 09/19/2025 09/18/2025
4 08/19/2025 08/18/2025
4 08/18/2025 08/15/2025
4 08/05/2025 08/04/2025
4 08/04/2025 08/01/2025
4 07/08/2025 07/07/2025
4 07/07/2025 07/03/2025
4 06/03/2025 06/02/2025
4 05/13/2025 05/12/2025
Form Type Act Filing Date Report Date Action
DEF 14A 34 04/01/2025 05/12/2025
DEF 14A 34 03/27/2024 05/07/2024
SC 13G 34 02/09/2024 09/21/2025
SC 13G 34 01/10/2024 09/21/2025
DEF 14A 34 04/05/2023 09/21/2025
SC 13G 34 02/02/2023 09/21/2025
SC 13G 34 08/29/2022 09/21/2025
DEF 14A 34 03/31/2022 05/10/2022
DEF 14A 34 03/26/2021 05/11/2021
DEF 14A 34 03/27/2020 05/12/2020
Form Type Act Filing Date Report Date Action
8-K 34 08/06/2025 08/06/2025 |    |  
8-K 34 05/15/2025 05/12/2025 |    |  
8-K 34 01/24/2025 01/24/2025 |    |  
8-K 34 12/03/2024 12/02/2024 |    |  
8-K 34 11/06/2024 11/06/2024 |    |  
8-K 34 11/05/2024 11/04/2024 |    |  
8-K 34 06/20/2024 06/20/2024 |    |  
8-K 34 05/16/2024 05/16/2024 |    |  
8-K 34 05/14/2024 05/13/2024 |    |  
8-K 34 05/13/2024 05/13/2024 |    |  
Form Type Act Filing Date Report Date Action
DEF 14A 34 04/01/2025 05/12/2025
PRE 14A 34 03/21/2025 05/12/2025
DEF 14A 34 03/27/2024 05/07/2024
DEF 14A 34 04/05/2023 09/21/2025
DEF 14A 34 03/31/2022 05/10/2022
DEF 14A 34 03/26/2021 05/11/2021
DEF 14A 34 03/27/2020 05/12/2020
DEF 14A 34 03/28/2019 05/08/2019
DEF 14A 34 03/28/2018 05/09/2018
DEF 14A 34 03/24/2017 05/10/2017
Form Type Act Filing Date Report Date Action
S-1/A 03/23/1999 09/21/2025
S-1/A 03/15/1999 09/21/2025
S-1/A 03/02/1999 09/21/2025
S-1 01/28/1999 09/21/2025
S-1/A 01/15/1998 09/21/2025
S-1/A 12/22/1997 09/21/2025
S-1 11/14/1997 09/21/2025