Burke Kathleen Flaherty

MKS Instruments Inc ยท EVP

Burke Kathleen Flaherty is listed in public filings as officer: EVP, GC & Secretary. This Burke Kathleen Flaherty insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include MKS Instruments Inc (MKSI). Investors use Burke Kathleen Flaherty's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
MKS Instruments IncMKSI$16M49.4k sharesSellMay 11, 2026$1.4M4.4k shares$319.94--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
MKS Instruments IncMKSI$13M53.8k sharesSellFeb 20, 2026$1.1M4.3k shares$250.00--
MKS Instruments IncMKSI$15M58k sharesGrant / ExerciseFeb 17, 2026$1.4M5.3k shares$260.74--
MKS Instruments IncMKSI--15.1k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable2.5k shares----
MKS Instruments IncMKSI--17.6k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable2.3k shares----
MKS Instruments IncMKSI--20k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable1.6k shares----
MKS Instruments IncMKSI--21.5k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable563 shares----
MKS Instruments IncMKSI--22.1k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable1.8k shares----
MKS Instruments IncMKSI--23.9k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable3.5k shares----
MKS Instruments IncMKSI--27.3k sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable3.3k shares----
MKS Instruments IncMKSI--24k sharesGrant / ExerciseFeb 8, 2026Disclosure amount unavailable7k shares----
MKS Instruments IncMKSI--17k sharesGrant / ExerciseOct 31, 2025Disclosure amount unavailable341 shares----
MKS Instruments IncMKSI--17.3k sharesGrant / ExerciseOct 31, 2025Disclosure amount unavailable144 shares----
MKS Instruments IncMKSI--17.5k sharesGrant / ExerciseOct 31, 2025Disclosure amount unavailable82 shares----
MKS Instruments IncMKSI--17.6k sharesGrant / ExerciseOct 31, 2025Disclosure amount unavailable52 shares----
MKS Instruments IncMKSI--17.6k sharesGrant / ExerciseOct 31, 2025Disclosure amount unavailable158 shares----
MKS Instruments IncMKSI$7.3M51.1k sharesGrant / ExerciseOct 31, 2025$111.7K777 shares$143.71--
MKS Instruments IncMKSI$5.3M50.9k sharesGrant / ExerciseFeb 18, 2025$411.6K4k shares$103.67--
MKS Instruments IncMKSI--17.8k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable1.6k shares----
MKS Instruments IncMKSI--19.4k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable588 shares----
MKS Instruments IncMKSI--20k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable1.9k shares----
MKS Instruments IncMKSI--21.9k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable3.6k shares----
MKS Instruments IncMKSI--25.5k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable1.6k shares----
MKS Instruments IncMKSI--27.1k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable2.3k shares----
MKS Instruments IncMKSI--29.4k sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable7.8k shares----
MKS Instruments IncMKSI--21.6k sharesGrant / ExerciseFeb 10, 2025Disclosure amount unavailable1.8k shares----