IMPINJ INC

Ticker: PI CUSIP: 453204109 Class: EQTY

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2021

Shares 130,882 Value ($000) $11,609 Avg Close $72.56 Range $50.56 - $94.39

Q3 2021

Shares 94,941 Value ($000) $5,424 Avg Close $51.09 Range $39.69 - $62.99

Q2 2021

Shares 16,802 Value ($000) $867 Avg Close $51.45 Range $42.67 - $60.71

Q1 2021

Shares 44,885 Value ($000) $2,553 Avg Close $58.89 Range $41.02 - $79.05

Q4 2020

Shares 154,039 Value ($000) $6,450 Avg Close $34.84 Range $24.36 - $45.00

Q3 2020

Shares 171,574 Value ($000) $4,521 Avg Close $26.41 Range $21.81 - $32.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	130,882	$11,609	$72.56	$50.56 - $94.39
Q3 2021	94,941	$5,424	$51.09	$39.69 - $62.99
Q2 2021	16,802	$867	$51.45	$42.67 - $60.71
Q1 2021	44,885	$2,553	$58.89	$41.02 - $79.05
Q4 2020	154,039	$6,450	$34.84	$24.36 - $45.00
Q3 2020	171,574	$4,521	$26.41	$21.81 - $32.58