Seth H. Bagshaw - Feb 22, 2024 Form 4 Insider Report for MKS INSTRUMENTS INC (MKSI)

Role
EVP, CFO & Treasurer
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
Stock symbol
MKSI
Transactions as of
Feb 22, 2024
Transactions value $
-$4,051,629
Form type
4
Date filed
2/26/2024, 11:51 AM
Previous filing
Feb 16, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKSI Common Stock Sale -$2.49M -20.3K -61.62% $122.79 12.6K Feb 22, 2024 Direct F1
transaction MKSI Common Stock Sale -$1.44M -11.6K -92.07% $124.02 1K Feb 22, 2024 Direct F2
transaction MKSI Common Stock Sale -$125K -1K -99.92% $124.56 0.788 Feb 22, 2024 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was executed in multiple trades at prices ranging from $122.250 to $123.200. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.
F2 This transaction was executed in multiple trades at prices ranging from $123.360 to $124.280. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.
F3 This transaction was executed in multiple trades at prices ranging from $124.450 to $124.640. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.