BANDWIDTH INC

Ticker: BAND CUSIP: 05988J103 Class: Common Stock

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

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

Q4 2020

Shares 29,150 Value ($000) $4,479 Avg Close $164.83 Range $138.01 - $198.60

Q3 2020

Shares 43,179 Value ($000) $7,538 Avg Close $148.05 Range $121.64 - $179.11

Q2 2020

Shares 50,439 Value ($000) $6,406 Avg Close $100.94 Range $61.76 - $130.84

Q1 2020

Shares 57,849 Value ($000) $3,893 Avg Close $68.17 Range $50.89 - $88.00

Q4 2019

Shares 63,289 Value ($000) $4,054 Avg Close $57.91 Range $42.61 - $69.29

Q3 2019

Shares 99,879 Value ($000) $6,503 Avg Close $77.97 Range $63.69 - $90.63

Q2 2019

Shares 81,120 Value ($000) $6,086 Avg Close $72.95 Range $64.62 - $82.66

Q1 2019

Shares 72,970 Value ($000) $4,886 Avg Close $52.54 Range $39.42 - $69.80

Q4 2018

Shares 38,900 Value ($000) $1,585 Avg Close $46.99 Range $27.75 - $57.50

Q3 2018

Shares 38,900 Value ($000) $2,084 Avg Close $44.04 Range $33.79 - $55.51

Q2 2018

Shares 28,300 Value ($000) $1,075 Avg Close $35.32 Range $30.00 - $40.83

Q1 2018

Shares 21,700 Value ($000) $709 Avg Close $25.53 Range $19.45 - $33.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	29,150	$4,479	$164.83	$138.01 - $198.60
Q3 2020	43,179	$7,538	$148.05	$121.64 - $179.11
Q2 2020	50,439	$6,406	$100.94	$61.76 - $130.84
Q1 2020	57,849	$3,893	$68.17	$50.89 - $88.00
Q4 2019	63,289	$4,054	$57.91	$42.61 - $69.29
Q3 2019	99,879	$6,503	$77.97	$63.69 - $90.63
Q2 2019	81,120	$6,086	$72.95	$64.62 - $82.66
Q1 2019	72,970	$4,886	$52.54	$39.42 - $69.80
Q4 2018	38,900	$1,585	$46.99	$27.75 - $57.50
Q3 2018	38,900	$2,084	$44.04	$33.79 - $55.51
Q2 2018	28,300	$1,075	$35.32	$30.00 - $40.83
Q1 2018	21,700	$709	$25.53	$19.45 - $33.23