IRHYTHM TECHNOLOGIES INC

Ticker: IRTC CUSIP: 450056106 Class: EQTY

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2025

Shares 12,099 Value ($000) $2,147 Avg Close $177.21 Range $155.00 - $212.00

Q3 2025

Shares 17,262 Value ($000) $2,969 Avg Close $158.94 Range $129.48 - $187.57

Q4 2024

Shares 156,012 Value ($000) $14,068 Avg Close $78.57 Range $55.92 - $92.38

Q1 2024

Shares 2,702 Value ($000) $313 Avg Close $112.42 Range $97.50 - $124.11

Q3 2021

Shares 60,271 Value ($000) $3,529 Avg Close $52.99 Range $41.66 - $67.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,099	$2,147	$177.21	$155.00 - $212.00
Q3 2025	17,262	$2,969	$158.94	$129.48 - $187.57
Q4 2024	156,012	$14,068	$78.57	$55.92 - $92.38
Q1 2024	2,702	$313	$112.42	$97.50 - $124.11
Q3 2021	60,271	$3,529	$52.99	$41.66 - $67.28