Burke Kathleen Flaherty

EVP, GC & SecretaryMKS INC (MKSI) · full profile →Form 4 · filed Feb 18, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
14
7 non-derivative · 7 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 17, 2026Option exercise(M)2K56K
Feb 17, 2026Tax withholding(F)5K$260.74$1.4M58K
Feb 17, 2026Option exercise(M)2K63K
Feb 17, 2026Option exercise(M)2K61K
Feb 17, 2026Option exercise(M)2K59K
Feb 17, 2026Option exercise(M)3K55K
Feb 17, 2026Option exercise(M)56357K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 17, 2026Grant(A)3K27K
Feb 17, 2026Option exercise(M)3K24K
Feb 17, 2026Option exercise(M)2K22K
Feb 17, 2026Option exercise(M)56322K
Feb 17, 2026Option exercise(M)2K20K
Feb 17, 2026Option exercise(M)2K18K
Feb 17, 2026Option exercise(M)2K15K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001049502-26-000018) within minutes of acceptance. Every field above traces to the original document. Verify it directly: