PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Green Alpha Advisors, LLC's Holding History (CIK: 0001439207)

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

Q3 2022

Shares 8,143 Value ($000) $297 Avg Close $43.34 Range $34.99 - $53.00

Q2 2022

Shares 8,080 Value ($000) $387 Avg Close $46.37 Range $39.36 - $55.10

Q1 2022

Shares 7,940 Value ($000) $420 Avg Close $52.62 Range $45.63 - $61.14

Q3 2021

Shares 5,932 Value ($000) $395 Avg Close $78.12 Range $66.51 - $93.66

Q2 2021

Shares 5,196 Value ($000) $477 Avg Close $98.50 Range $82.60 - $127.65

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	8,143	$297	$43.34	$34.99 - $53.00
Q2 2022	8,080	$387	$46.37	$39.36 - $55.10
Q1 2022	7,940	$420	$52.62	$45.63 - $61.14
Q3 2021	5,932	$395	$78.12	$66.51 - $93.66
Q2 2021	5,196	$477	$98.50	$82.60 - $127.65