Form 4 for MKSI MKS INC
Accepted 2026-06-08 10:53:40 ET · period of report 2026-06-05 · accession 0001049502-26-000105 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-06-08 10:53 | 2026-06-05 | MKSI | McCarthy Michelle M | SVP, CAO | S - Sale | $315.23 | -2,434 | 1.55 | -100% | -$767.3K |
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 | 2026-06-05 | S | D | 2,434 | $315.23 | 1.55 | D | — | — | (F1) This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2026. |