IMPINJ INC

Ticker: PI CUSIP: 453204109 Class: EQTY

Carnegie Capital Asset Management, LLC's Holding History (CIK: 0001511506)

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

Q4 2017

Shares 25,350 Value ($000) $289 Avg Close $28.69 Range $19.97 - $41.97

Q3 2017

Shares 28,650 Value ($000) $997 Avg Close $42.09 Range $29.82 - $55.90

Q2 2017

Shares 15,230 Value ($000) $747 Avg Close $42.00 Range $28.00 - $60.85

Q1 2017

Shares 13,760 Value ($000) $542 Avg Close $31.46 Range $26.69 - $37.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	25,350	$289	$28.69	$19.97 - $41.97
Q3 2017	28,650	$997	$42.09	$29.82 - $55.90
Q2 2017	15,230	$747	$42.00	$28.00 - $60.85
Q1 2017	13,760	$542	$31.46	$26.69 - $37.42