Seth H. Bagshaw - 15 Feb 2024 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Issuer symbol
MKSI
Transactions as of
15 Feb 2024
Net transactions value
-$1,120,482
Form type
4
Filing time
16 Feb 2024, 15:02:30 UTC
Previous filing
06 Feb 2024
Next filing
26 Feb 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKSI Common Stock Options Exercise +3,729 +18% 24,402 15 Feb 2024 Direct F1
transaction MKSI Common Stock Options Exercise +1,525 +6.3% 25,927 15 Feb 2024 Direct F1
transaction MKSI Common Stock Options Exercise +4,129 +16% 30,056 15 Feb 2024 Direct F1
transaction MKSI Common Stock Options Exercise +2,430 +8.1% 32,486 15 Feb 2024 Direct F1
transaction MKSI Common Stock Options Exercise +6,791 +21% 39,277 15 Feb 2024 Direct F1
transaction MKSI Common Stock Options Exercise +2,762 +7% 42,039 15 Feb 2024 Direct F1
transaction MKSI Common Stock Tax liability $1,120,482 -9,173 -22% $122.15 32,866 15 Feb 2024 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MKSI Restricted Stock Unit Options Exercise -3,729 -7.9% 43,308 15 Feb 2024 Common Stock 3,729 Direct F1, F3
transaction MKSI Restricted Stock Unit Options Exercise -1,525 -3.5% 41,783 15 Feb 2024 Common Stock 1,525 Direct F1, F4
transaction MKSI Restricted Stock Unit Options Exercise -4,129 -9.9% 37,654 15 Feb 2024 Common Stock 4,129 Direct F1, F5
transaction MKSI Restricted Stock Unit Options Exercise -2,430 -6.5% 35,224 15 Feb 2024 Common Stock 2,430 Direct F1, F6
transaction MKSI Restricted Stock Unit Options Exercise -6,791 -19% 28,433 15 Feb 2024 Common Stock 6,791 Direct F1, F7
transaction MKSI Restricted Stock Unit Options Exercise -2,762 -9.7% 25,671 15 Feb 2024 Common Stock 2,762 Direct F1, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
F2 These shares were withheld by MKS Instruments, Inc. to satisfy the tax withholding obligations triggered by the vesting of RSUs and do not represent a discretionary trade by the reporting person.
F3 These RSUs were subject to performance criteria, the achievement of which was determined on January 21, 2022, and thereafter vest in three equal annual installments beginning on February 15, 2022, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F4 These RSUs vest in three equal annual installments commencing on February 15, 2022, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F5 These RSUs were subject to performance criteria, the achievement of which was determined on February 8, 2023, and thereafter vest in three equal annual installments beginning on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F6 These RSUs vest in three equal annual installments commencing on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F7 These RSUs were subject to performance criteria, the achievement of which was determined on February 5, 2024, and thereafter vest in three equal annual installments beginning on February 15, 2024, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
F8 These RSUs vest in three equal annual installments commencing on February 15, 2024, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.