Kathleen Flaherty Burke

Insider Reports History

Location
Mks Instruments, Inc., 2 Tech Drive, Suite 201, Andover, MA
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Kathleen Flaherty Burke:

Stock Role Class Num Shares Value Price $ Report Date Ownership
MKS INC EVP, GC & Secretary Common Stock 51.1K $7.34M $143.71 Oct 31, 2025 Direct
MKS INC EVP, GC & Secretary Restricted Stock Unit 17K $1.84M $103.67 Oct 31, 2025 Direct

Insider Reports Filed by Kathleen Flaherty Burke

Symbol Company Period Transactions Value $ Form Type Date Filed Role
MKSI MKS INC Oct 31, 2025 11 -$112K 4 Nov 4, 2025 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 18, 2025 14 -$412K 4 Feb 19, 2025 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 10, 2025 1 $0 4 Feb 11, 2025 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Mar 1, 2024 1 -$911K 4 Mar 4, 2024 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 15, 2024 14 -$600K 4 Feb 16, 2024 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 5, 2024 1 $0 4 Feb 6, 2024 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Aug 7, 2023 2 -$1.17M 4 Aug 8, 2023 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 15, 2023 14 -$348K 4 Feb 16, 2023 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 8, 2023 1 $0 4 Feb 9, 2023 EVP, GC & Secretary
MKSI MKS INSTRUMENTS INC Oct 28, 2022 3 -$81.8K 4 Oct 31, 2022 Sr. VP, GC & Secretary
MKSI MKS INSTRUMENTS INC Apr 29, 2022 1 $0 4 May 2, 2022 Sr. VP, GC & Secretary
MKSI MKS INSTRUMENTS INC Feb 15, 2022 13 -$566K 4 Feb 16, 2022 Sr. VP, GC & Secretary
MKSI MKS INSTRUMENTS INC Jan 21, 2022 1 $0 4 Jan 24, 2022 Sr. VP, GC & Secretary
MKSI MKS INSTRUMENTS INC Oct 28, 2021 3 -$141K 4 Oct 29, 2021 Sr. VP, GC & Secretary