SEC Insider Transactions from BAGSHAW SETH H.

Last updated: 2026-03-14 11:22 UTC | Total transactions: 39

BAGSHAW SETH H has filed 39 insider transactions across 1 company since February 2023.

Most recent transaction: a sale of 20253 shares of MKS INC ($MKSI) on February 22, 2024.

Activity breakdown: 0 open-market purchases and 5 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 22, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer S Common Stock 20253 $122.79 12,612.7880 66,800,000 61.62% 0.03%
Feb. 22, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer S Common Stock 11612 $124.02 1,000.7880 66,800,000 92.07% 0.02%
Feb. 22, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer S Common Stock 1000 $124.56 0.7880 66,800,000 99.92% 0.00%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 3729 $0.00 24,401.6240 66,800,000 18.04% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 1525 $0.00 25,926.7880 66,800,000 6.25% 0.00%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 4129 $0.00 30,055.7880 66,800,000 15.93% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 2430 $0.00 32,485.7880 66,800,000 8.08% 0.00%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 6791 $0.00 39,276.7880 66,800,000 20.90% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 2762 $0.00 42,038.7880 66,800,000 7.03% 0.00%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer F Common Stock 9173 $122.15 32,865.7880 66,800,000 21.82% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 3729 $0.00 43,308.0070 66,800,000 7.93% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 1525 $0.00 41,782.8430 66,800,000 3.52% 0.00%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 4129 $0.00 37,653.8430 66,800,000 9.88% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 2430 $0.00 35,223.8430 66,800,000 6.45% 0.00%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 6791 $0.00 28,432.8430 66,800,000 19.28% 0.01%
Feb. 15, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 2762 $0.00 25,670.8430 66,800,000 9.71% 0.00%
Feb. 5, 2024 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer A Restricted Stock Unit 20375 $0.00 47,036.9630 66,800,000 76.42% 0.03%
Dec. 1, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 349 $0.00 21,021.6680 59,900,000 1.69% 0.00%
Dec. 1, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 350 $0.00 21,371.6680 59,900,000 1.66% 0.00%
Dec. 1, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer F Common Stock 699 $84.19 20,672.6680 59,900,000 3.27% 0.00%
Dec. 1, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 349 $0.00 27,012.1750 59,900,000 1.28% 0.00%
Dec. 1, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 350 $0.00 26,662.1750 59,900,000 1.30% 0.00%
Sept. 6, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer S Common Stock 17927 $97.16 27,619.5960 59,900,000 39.36% 0.03%
Sept. 6, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer S Common Stock 7073 $97.66 20,546.5960 59,900,000 25.61% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 3837 $0.00 38,204.5160 59,900,000 11.16% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 2180 $0.00 40,384.5000 59,900,000 5.71% 0.00%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 3729 $0.00 44,113.5000 59,900,000 9.23% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 1525 $0.00 45,638.5000 59,900,000 3.46% 0.00%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 4303 $0.00 49,941.5000 59,900,000 9.43% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Common Stock 2431 $0.00 52,372.5000 59,900,000 4.87% 0.00%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer F Common Stock 6976 $100.29 45,396.5000 59,900,000 13.32% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer A Restricted Stock Unit 8637 $0.00 45,366.0520 59,900,000 23.52% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 3837 $0.00 41,529.1590 59,900,000 8.46% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 2180 $0.00 39,349.1750 59,900,000 5.25% 0.00%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 3729 $0.00 35,620.1750 59,900,000 9.48% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 1525 $0.00 34,095.1750 59,900,000 4.28% 0.00%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 4303 $0.00 29,792.1750 59,900,000 12.62% 0.01%
Feb. 15, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer M Restricted Stock Unit 2431 $0.00 27,361.1750 59,900,000 8.16% 0.00%
Feb. 8, 2023 MKS INC $MKSI BAGSHAW SETH H EVP, CFO & Treasurer A Restricted Stock Unit 12912 $0.00 36,728.6010 59,900,000 54.21% 0.02%