InsiderTrades

Form 4 for MKSI MKS INC

Accepted 2024-08-16 00:00:00 ET · period of report 2024-08-15 · accession 0001127602-24-022323 · 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
D 2024-08-16 2024-08-15 MKSI Williams John Edward EVP, GM, PSD M - OptEx — +946 2,120 +81% —
D 2024-08-16 2024-08-15 MKSI Williams John Edward EVP, GM, PSD F - Tax $113.91 -307 1,813 -14% -$35.0K
D 2024-08-16 2024-08-15 MKSI Williams John Edward EVP, GM, PSD M - OptEx — -946 8,525 -10% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2024-08-15 M A 946 — 2,120 D — — (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
2 Common Common Stock 2024-08-15 F D 307 $113.91 1,813 D — —
3 Derivative Restricted Stock Unit 2024-08-15 M D 946 — 8,525.21 D — · — to — 946 Common Stock (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc. (F2) These RSUs vest in two equal annual installments commencing on August 15, 2024, provided that if, in any vesting year, August 15th is not a business day, such vesting shall occur on the next business day.