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Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
MKS Inc.

MKS Inc.MKSI

NASDAQTechnologySemiconductor Equipment & Materials$213.45-0.02%

Price as of Mar 15, 5:11 PM EDT · delayed, not real-time

A provider of instruments, subsystems, and process control solutions for advanced manufacturing, MKS Inc. specializes in technologies used in semiconductor, industrial, and life sciences applications. Investors monitor the company for its exposure to high-growth markets like semiconductor capital equipment and its role in enabling precision manufacturing processes.

Market Cap: $14.4B52W Range: $54.84 – $269.91

Congressional Interest in MKS Inc. (MKSI)

6 members of Congress have disclosed 21 trades in MKS Inc. (MKSI), a Technology company. The buy/sell breakdown shows 11 purchases versus 10 sales, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
21
Unique Politicians
6
Buys
11
Sells
10

Who in Congress Is Trading MKSI?

DatePoliticianTypeAmountSecurity
2025-10-31Lisa McClainsell$1K – $15KStock
2025-10-30Lisa McClainsell$1K – $15KStock
2025-10-30Lisa McClainbuy$1K – $15KStock
2025-08-04Lisa McClainbuy$1K – $15KStock
2025-04-17Rohit Khannabuy$1K – $15KStock
2025-04-16Rohit Khannabuy$50K – $100KStock
2025-04-15Rohit Khannasell$50K – $100KStock
2025-04-15Rohit Khannabuy$50K – $100KStock
2025-04-09Rohit Khannabuy$50K – $100KStock
2025-04-09Rohit Khannabuy$1K – $15KStock
2025-04-04Rohit Khannabuy$50K – $100KStock
2025-04-03Rohit Khannasell$1K – $15KStock
2025-04-02Rohit Khannabuy$1K – $15KStock
2025-01-15MICHAEL T. MCCAULsell$1K – $15KStock
2023-04-03Thomas H Tubervillesell$1K – $15KStock
2023-03-27MICHAEL T. MCCAULsell$15K – $50KStock
2022-04-13MICHAEL T. MCCAULbuy$1K – $15KStock
2022-03-30Thomas H Tubervillebuy$1K – $15KStock
2019-03-25Nicholas V. Taylorsell$1K – $15KStock
2015-08-07MICHAEL T. MCCAULsell$1K – $15KStock
2015-08-06JAMES B. RENACCIsell$1K – $15KStock
Lisa McClainsell
2025-10-31$1K – $15K
Stock
Lisa McClainsell
2025-10-30$1K – $15K
Stock
Lisa McClainbuy
2025-10-30$1K – $15K
Stock
Lisa McClainbuy
2025-08-04$1K – $15K
Stock
Rohit Khannabuy
2025-04-17$1K – $15K
Stock
Rohit Khannabuy
2025-04-16$50K – $100K
Stock
Rohit Khannasell
2025-04-15$50K – $100K
Stock
Rohit Khannabuy
2025-04-15$50K – $100K
Stock
Rohit Khannabuy
2025-04-09$50K – $100K
Stock
Rohit Khannabuy
2025-04-09$1K – $15K
Stock
Rohit Khannabuy
2025-04-04$50K – $100K
Stock
Rohit Khannasell
2025-04-03$1K – $15K
Stock
Rohit Khannabuy
2025-04-02$1K – $15K
Stock
MICHAEL T. MCCAULsell
2025-01-15$1K – $15K
Stock
Thomas H Tubervillesell
2023-04-03$1K – $15K
Stock
MICHAEL T. MCCAULsell
2023-03-27$15K – $50K
Stock
MICHAEL T. MCCAULbuy
2022-04-13$1K – $15K
Stock
Thomas H Tubervillebuy
2022-03-30$1K – $15K
Stock
Nicholas V. Taylorsell
2019-03-25$1K – $15K
Stock
MICHAEL T. MCCAULsell
2015-08-07$1K – $15K
Stock
JAMES B. RENACCIsell
2015-08-06$1K – $15K
Stock

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