Form 4 for MKSI MKS INC
Accepted 2026-05-19 10:46:32 ET · period of report 2026-05-18 · accession 0001049502-26-000086 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-19 10:46 | 2026-05-18 | MKSI | CANNONE PETER III | Dir | S - Sale | $303.40 | -1,350 | 7,794 | -15% | -$409.6K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-18 | S | D | 1,350 | $303.40 | 7,794.04 | D | — | — |