Szyman Catherine M. sold MASI
March 11, 2026 · Form 4 insider transaction
Szyman Catherine M. sold 1,069 shares of Masimo Corporation at $175.47 per share, a transaction worth $187.6K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 5 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,069
Price
$175.47
Total value
$187.6K
InsiderSzyman Catherine M.
Role—
CompanyMasimo Corporation (MASI)
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 11, 2026
Filing dateMarch 16, 2026
Shares owned after7,605
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain RSUs.