MKS INC - MKSI
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 57
Latest filed: Apr 06, 2026
| Form | Count |
|---|---|
| 4 | 32 |
| 144 | 15 |
| 8-K | 6 |
| SCHEDULE 13G/A | 4 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Apr 06, 2026 | 8-K | Mar 31, 2026 | 0001193125-26-142945 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001828 | View |
| Mar 13, 2026 | 4 | Mar 12, 2026 | 0001049502-26-000057 | View |
| Mar 12, 2026 | 144 | — | 0001959173-26-002247 | View |
| Mar 09, 2026 | 4 | Mar 06, 2026 | 0001049502-26-000055 | View |
| Mar 06, 2026 | 144 | — | 0001959173-26-002016 | View |
| Mar 03, 2026 | 4 | Mar 02, 2026 | 0001049502-26-000053 | View |
| Mar 02, 2026 | 144 | — | 0001959173-26-001633 | View |
| Feb 25, 2026 | 4 | Feb 24, 2026 | 0001049502-26-000051 | View |
| Feb 24, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000049 | View |
| Feb 24, 2026 | 144 | — | 0001959173-26-001386 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000030 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000032 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000034 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000036 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000038 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000040 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000042 | View |
| Feb 23, 2026 | 4 | Feb 20, 2026 | 0001049502-26-000045 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001257 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001258 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001259 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001260 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001262 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001268 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001278 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001284 | View |
| Feb 20, 2026 | 144 | — | 0001628280-26-010228 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000016 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000018 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000020 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000022 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000024 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000026 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001049502-26-000028 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | — | 0000080255-26-000257 | View |
| Feb 17, 2026 | 8-K | Feb 17, 2026 | 0001193125-26-054841 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000002 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000004 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000006 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000008 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000010 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000012 | View |
| Feb 09, 2026 | 4 | Feb 08, 2026 | 0001049502-26-000014 | View |
| Feb 05, 2026 | 8-K | Feb 04, 2026 | 0001193125-26-038565 | View |
| Jan 28, 2026 | 8-K | Jan 26, 2026 | 0001193125-26-027243 | View |
| Jan 21, 2026 | 8-K | Jan 21, 2026 | 0001193125-26-017468 | View |
| Dec 03, 2025 | 4 | Dec 02, 2025 | 0001049502-25-000041 | View |
| Dec 02, 2025 | 144 | — | 0001959173-25-007412 | View |
| Nov 18, 2025 | 4 | Nov 17, 2025 | 0001049502-25-000039 | View |
| Nov 05, 2025 | 8-K | Nov 05, 2025 | 0001193125-25-267070 | View |
| Nov 04, 2025 | 4 | Oct 31, 2025 | 0001049502-25-000035 | View |
| Nov 04, 2025 | 4 | Oct 31, 2025 | 0001049502-25-000037 | View |
| Oct 31, 2025 | SCHEDULE 13G/A | — | 0000102909-25-000271 | View |
| Oct 23, 2025 | 4 | Oct 22, 2025 | 0001049502-25-000033 | View |
| Oct 22, 2025 | 144 | — | 0001959173-25-006519 | View |
| Oct 17, 2025 | SCHEDULE 13G/A | — | 0002012383-25-002604 | View |