PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Virtu Financial LLC's Holding History (CIK: 0001533964)

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

Q4 2021

Shares 6,120 Value ($000) $314 Avg Close $59.00 Range $47.57 - $79.27

Q1 2021

Shares 13,134 Value ($000) $1,599 Avg Close $166.30 Range $109.17 - $286.57

Q4 2020

Shares 5,703 Value ($000) $875 Avg Close $141.05 Range $113.62 - $203.88

Q3 2020

Shares 5,503 Value ($000) $713 Avg Close $131.45 Range $106.69 - $164.99

Q3 2017

Shares 6,894 Value ($000) $554 Avg Close $72.28 Range $66.85 - $80.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	6,120	$314	$59.00	$47.57 - $79.27
Q1 2021	13,134	$1,599	$166.30	$109.17 - $286.57
Q4 2020	5,703	$875	$141.05	$113.62 - $203.88
Q3 2020	5,503	$713	$131.45	$106.69 - $164.99
Q3 2017	6,894	$554	$72.28	$66.85 - $80.40