James Alan Schreiner

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 James Alan Schreiner:

Stock Role Class Num Shares Value Price $ Report Date Ownership
MKS INC EVP & COO Common Stock 22.5K $3.13M $138.68 Oct 22, 2025 Direct
MKS INC EVP & COO Restricted Stock Unit 13K $1.49M $103.67 Aug 18, 2025 Direct

Insider Reports Filed by James Alan Schreiner

Symbol Company Period Transactions Value $ Form Type Date Filed Role
MKSI MKS INC Oct 22, 2025 1 -$98.6K 4 Oct 23, 2025 EVP & COO
MKSI MKS INC Sep 18, 2025 1 -$104K 4 Sep 19, 2025 EVP & COO
MKSI MKS INC Aug 18, 2025 3 -$125K 4 Aug 19, 2025 EVP & COO
MKSI MKS INC Aug 4, 2025 1 $0 4 Aug 5, 2025 EVP & COO
MKSI MKS INC Jul 7, 2025 1 -$98K 4 Jul 8, 2025 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Feb 18, 2025 14 -$378K 4 Feb 19, 2025 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Feb 10, 2025 1 $0 4 Feb 11, 2025 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Aug 19, 2024 3 -$223K 4 Aug 20, 2024 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC May 15, 2024 1 $0 4 May 16, 2024 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Feb 15, 2024 14 -$459K 4 Feb 16, 2024 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Feb 5, 2024 1 $0 4 Feb 6, 2024 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Feb 15, 2023 14 -$190K 4 Feb 16, 2023 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Feb 8, 2023 1 $0 4 Feb 9, 2023 EVP & COO, MSD
MKSI MKS INSTRUMENTS INC Sep 16, 2022 3 -$56.8K 4 Sep 19, 2022 Sr. VP & COO, MSD
MKSI MKS INSTRUMENTS INC Aug 17, 2022 1 $0 4 Aug 18, 2022 Sr. VP & COO, MSD
MKSI MKS INSTRUMENTS INC Apr 29, 2022 1 $0 4 May 2, 2022 Sr. VP & COO
MKSI MKS INSTRUMENTS INC Feb 15, 2022 9 -$189K 4 Feb 16, 2022 Sr. VP & COO
MKSI MKS INSTRUMENTS INC Jan 21, 2022 1 $0 4 Jan 24, 2022 Sr. VP & COO
MKSI MKS INSTRUMENTS INC Sep 16, 2021 3 -$68.3K 4 Sep 17, 2021 Sr. VP & COO