PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

CONTRAVISORY INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001365707)

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

Q1 2021

Shares 1,323 Value ($000) $161 Avg Close $166.30 Range $109.17 - $286.57

Q4 2020

Shares 1,323 Value ($000) $203 Avg Close $141.05 Range $113.62 - $203.88

Q3 2020

Shares 1,376 Value ($000) $178 Avg Close $131.45 Range $106.69 - $164.99

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	1,323	$161	$166.30	$109.17 - $286.57
Q4 2020	1,323	$203	$141.05	$113.62 - $203.88
Q3 2020	1,376	$178	$131.45	$106.69 - $164.99