IRHYTHM TECHNOLOGIES INC

Ticker: IRTC CUSIP: 450056106 Class: EQTY

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q2 2017

Shares 12,400 Value ($000) $526 Avg Close $36.42 Range $32.10 - $43.07

Q1 2017

Shares 35,500 Value ($000) $1,334 Avg Close $34.41 Range $28.70 - $40.48

Q4 2016

Shares 20,800 Value ($000) $624 Avg Close $26.94 Range $22.16 - $31.69

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	12,400	$526	$36.42	$32.10 - $43.07
Q1 2017	35,500	$1,334	$34.41	$28.70 - $40.48
Q4 2016	20,800	$624	$26.94	$22.16 - $31.69