MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q4 2025

Shares 2,018 Value ($000) $262 Avg Close $143.19 Range $129.77 - $157.72

Q1 2025

Shares 1,627 Value ($000) $271 Avg Close $173.51 Range $159.29 - $194.88

Q3 2023

Shares 4,901 Value ($000) $430 Avg Close $116.39 Range $83.03 - $164.16

Q3 2022

Shares 2,029 Value ($000) $286 Avg Close $146.09 Range $122.68 - $172.74

Q1 2022

Shares 4,778 Value ($000) $695 Avg Close $192.01 Range $133.94 - $291.15

Q2 2021

Shares 14,918 Value ($000) $3,617 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 6,060 Value ($000) $1,392 Avg Close $251.21 Range $217.65 - $284.86

Q2 2020

Shares 1,449 Value ($000) $330 Avg Close $219.47 Range $173.15 - $258.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,018	$262	$143.19	$129.77 - $157.72
Q1 2025	1,627	$271	$173.51	$159.29 - $194.88
Q3 2023	4,901	$430	$116.39	$83.03 - $164.16
Q3 2022	2,029	$286	$146.09	$122.68 - $172.74
Q1 2022	4,778	$695	$192.01	$133.94 - $291.15
Q2 2021	14,918	$3,617	$228.17	$205.10 - $250.49
Q1 2021	6,060	$1,392	$251.21	$217.65 - $284.86
Q2 2020	1,449	$330	$219.47	$173.15 - $258.00