IRHYTHM TECHNOLOGIES INC

Ticker: IRTC CUSIP: 450056106 Class: EQTY

TRILLIUM ASSET MANAGEMENT, LLC's Holding History (CIK: 0000884541)

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

Q4 2017

Shares 18,924 Value ($000) $1,061 Avg Close $52.26 Range $46.95 - $57.91

Q3 2017

Shares 18,238 Value ($000) $946 Avg Close $45.28 Range $40.12 - $52.43

Q2 2017

Shares 17,941 Value ($000) $762 Avg Close $36.42 Range $32.10 - $43.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	18,924	$1,061	$52.26	$46.95 - $57.91
Q3 2017	18,238	$946	$45.28	$40.12 - $52.43
Q2 2017	17,941	$762	$36.42	$32.10 - $43.07