MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

Note: Option positions (PUT/CALL) are excluded.

Q2 2023

Shares 1,450 Value ($000) $239 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 1,450 Value ($000) $268 Avg Close $168.70 Range $144.51 - $184.97

Q3 2022

Shares 1,450 Value ($000) $205 Avg Close $146.09 Range $122.68 - $172.74

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	1,450	$239	$174.09	$153.35 - $198.00
Q1 2023	1,450	$268	$168.70	$144.51 - $184.97
Q3 2022	1,450	$205	$146.09	$122.68 - $172.74