InsiderTrades

Form 4 for MKSI MKS INC

Accepted 2023-12-05 00:00:00 ET · period of report 2023-12-01 · accession 0001127602-23-028820 · 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
DM 2023-12-05 2023-12-01 MKSI Lee John Tseng-Chung Pres, CEO, Dir M - OptEx — +3,275 79.9K +4% —
D 2023-12-05 2023-12-01 MKSI Lee John Tseng-Chung Pres, CEO, Dir F - Tax $84.19 -3,275 78.1K -4% -$275.7K
DM 2023-12-05 2023-12-01 MKSI Lee John Tseng-Chung Pres, CEO, Dir M - OptEx — -3,275 80.4K -4% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-12-01 M A 569 — 80,443.61 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 2023-12-01 M A 970 — 81,413.61 D — — (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
3 Common Common Stock 2023-12-01 F D 3,275 $84.19 78,138.61 D — —
4 Common Common Stock 2023-12-01 M A 390 — 78,528.61 D — — (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
5 Common Common Stock 2023-12-01 M A 1,186 — 79,714.61 D — — (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
6 Common Common Stock 2023-12-01 M A 160 — 79,874.61 D — — (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
7 Derivative Restricted Stock Unit 2023-12-01 M D 569 — 78,495.12 D — · — to — 569 Common Stock (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc. (F4) Portion of 2022 RSU Award accelerated to satisfy FICA taxes.
8 Derivative Restricted Stock Unit 2023-12-01 M D 970 — 77,525.12 D — · — to — 970 Common Stock (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc. (F5) Portion of 2023 RSU Award accelerated to satisfy FICA taxes.
9 Derivative Restricted Stock Unit 2023-12-01 M D 160 — 79,064.12 D — · — to — 160 Common Stock (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc. (F3) Portion of 2021 RSU Award accelerated to satisfy FICA taxes.
10 Derivative Restricted Stock Unit 2023-12-01 M D 1,186 — 79,224.12 D — · — to — 1,186 Common Stock (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc. (F4) Portion of 2022 RSU Award accelerated to satisfy FICA taxes.
11 Derivative Restricted Stock Unit 2023-12-01 M D 390 — 80,410.12 D — · — to — 390 Common Stock (F1) Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc. (F3) Portion of 2021 RSU Award accelerated to satisfy FICA taxes.