Mks MKSI SEC Filings

NASDAQ MKSI
$196.11 -19.99 (-9.25%)
At close: Oct 22, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Mks Inc (MKSI) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001193125-26-424709Oct 19, 2026 4:17 PM
2SCHEDULE 13GBeneficial Ownership Report0000019617-26-000334Sep 3, 2026 4:29 PM
34Insider Transaction0001049502-26-000119Sep 2, 2026 4:34 PM
4144Insider Transaction0001959173-26-006576Sep 1, 2026 3:47 PM
54Insider Transaction0001049502-26-000115Aug 18, 2026 6:07 PM
64Insider Transaction0001049502-26-000113Aug 17, 2026 2:11 PM
710-QQuarterly & Annual Report0001193125-26-337821Aug 6, 2026 7:30 PM
88-KCurrent Report0001193125-26-335274Aug 5, 2026 8:31 PM
94Insider Transaction0001049502-26-000111Aug 4, 2026 4:21 PM
10SCHEDULE 13GBeneficial Ownership Report0001040188-26-000038Jul 24, 2026 7:21 PM
11SCHEDULE 13GBeneficial Ownership Report0000019617-26-000266Jul 16, 2026 8:07 PM
124Insider Transaction0001049502-26-000109Jun 16, 2026 9:35 PM
134Insider Transaction0001049502-26-000107Jun 11, 2026 2:40 PM
14144Insider Transaction0001959173-26-004502Jun 10, 2026 10:57 AM
154Insider Transaction0001049502-26-000105Jun 8, 2026 2:53 PM
16144Insider Transaction0001959173-26-004374Jun 5, 2026 2:45 PM
173Insider Transaction0001049502-26-000103Jun 4, 2026 6:24 PM
184Insider Transaction0001049502-26-000100Jun 2, 2026 7:13 PM
194Insider Transaction0001049502-26-000098Jun 2, 2026 7:08 PM
20144Insider Transaction0001959173-26-004194Jun 1, 2026 6:23 PM
21144Insider Transaction0001959173-26-004173Jun 1, 2026 3:31 PM
22SDOthers0001193125-26-245263May 28, 2026 8:15 PM
234Insider Transaction0001049502-26-000096May 28, 2026 6:07 PM
244Insider Transaction0001049502-26-000094May 28, 2026 6:04 PM
254Insider Transaction0001049502-26-000092May 27, 2026 9:07 PM
26144Insider Transaction0001959173-26-004066May 27, 2026 8:33 PM
27144Insider Transaction0001628280-26-038389May 27, 2026 5:54 PM
284Insider Transaction0001049502-26-000086May 19, 2026 2:46 PM
29144Insider Transaction0001959173-26-003694May 18, 2026 3:33 PM
304Insider Transaction0001049502-26-000084May 15, 2026 2:04 PM
31144Insider Transaction0001959173-26-003610May 14, 2026 7:44 PM
324Insider Transaction0001049502-26-000082May 14, 2026 3:12 PM
33144Insider Transaction0001959173-26-003542May 13, 2026 2:31 PM
348-KCurrent Report0001193125-26-219474May 12, 2026 8:15 PM
354Insider Transaction0001049502-26-000080May 12, 2026 7:19 PM
364Insider Transaction0001049502-26-000078May 12, 2026 7:17 PM
374Insider Transaction0001049502-26-000076May 12, 2026 7:15 PM
384Insider Transaction0001049502-26-000074May 12, 2026 7:13 PM
394Insider Transaction0001049502-26-000072May 12, 2026 7:09 PM
404Insider Transaction0001049502-26-000070May 12, 2026 7:07 PM
414Insider Transaction0001049502-26-000068May 12, 2026 7:04 PM
424Insider Transaction0001049502-26-000066May 12, 2026 7:02 PM
434Insider Transaction0001049502-26-000064May 12, 2026 6:59 PM
44144Insider Transaction0001959173-26-003492May 11, 2026 8:02 PM
45144Insider Transaction0001959173-26-003492May 11, 2026 8:02 PM
46144Insider Transaction0001959173-26-003470May 11, 2026 5:21 PM
47144Insider Transaction0001959173-26-003470May 11, 2026 5:21 PM
48S-8Prospectus0001193125-26-216057May 11, 2026 3:03 PM
49S-8Prospectus0001193125-26-216057May 11, 2026 3:03 PM
5010-QQuarterly & Annual Report0001049502-26-000062May 7, 2026 7:30 PM
...

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