PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q2 2024

Shares 97,500 Value ($000) $3,012 Avg Close $31.69 Range $29.71 - $35.74

Q1 2024

Shares 97,500 Value ($000) $3,486 Avg Close $36.11 Range $33.13 - $41.87

Q4 2023

Shares 117,400 Value ($000) $4,574 Avg Close $32.38 Range $23.01 - $40.47

Q3 2013

Shares 5,700 Value ($000) $435 Avg Close $69.23 Range $61.46 - $80.66

Q2 2013

Shares 16,500 Value ($000) $1,072 Avg Close $53.72 Range $43.62 - $67.40

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	97,500	$3,012	$31.69	$29.71 - $35.74
Q1 2024	97,500	$3,486	$36.11	$33.13 - $41.87
Q4 2023	117,400	$4,574	$32.38	$23.01 - $40.47
Q3 2013	5,700	$435	$69.23	$61.46 - $80.66
Q2 2013	16,500	$1,072	$53.72	$43.62 - $67.40