ATRICURE INC

Ticker: ATRC CUSIP: 04963C209 Class: Common Stock

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

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

Q4 2025

Shares 217,992 Value ($000) $8,624 Avg Close $36.66 Range $30.94 - $42.60

Q3 2025

Shares 153,500 Value ($000) $5,411 Avg Close $34.45 Range $28.96 - $38.33

Q1 2025

Shares 151,500 Value ($000) $4,887 Avg Close $37.12 Range $29.92 - $43.11

Q4 2024

Shares 151,500 Value ($000) $4,630 Avg Close $32.16 Range $25.57 - $38.34

Q4 2023

Shares 69,100 Value ($000) $2,466 Avg Close $37.19 Range $32.27 - $43.54

Q3 2023

Shares 47,300 Value ($000) $2,072 Avg Close $48.78 Range $40.84 - $59.61

Q3 2019

Shares 139,600 Value ($000) $3,482 Avg Close $28.55 Range $22.57 - $33.00

Q2 2019

Shares 204,950 Value ($000) $6,116 Avg Close $29.19 Range $26.43 - $31.03

Q1 2019

Shares 203,410 Value ($000) $5,449 Avg Close $30.37 Range $26.11 - $33.92

Q4 2018

Shares 231,120 Value ($000) $7,072 Avg Close $31.15 Range $26.41 - $36.49

Q3 2018

Shares 238,210 Value ($000) $8,344 Avg Close $31.66 Range $26.90 - $36.14

Q2 2018

Shares 226,919 Value ($000) $6,138 Avg Close $23.50 Range $19.22 - $30.96

Q4 2015

Shares 25,500 Value ($000) $572 Avg Close $20.61 Range $17.46 - $23.24

Q3 2015

Shares 23,100 Value ($000) $506 Avg Close $24.99 Range $19.14 - $28.15

Q2 2015

Shares 19,600 Value ($000) $483 Avg Close $22.33 Range $19.90 - $25.36

Q1 2015

Shares 19,600 Value ($000) $402 Avg Close $19.37 Range $17.22 - $22.97

Q4 2014

Shares 38,000 Value ($000) $758 Avg Close $17.16 Range $13.19 - $20.09

Q3 2014

Shares 38,000 Value ($000) $559 Avg Close $15.93 Range $14.28 - $18.66

Q2 2014

Shares 36,200 Value ($000) $665 Avg Close $16.64 Range $13.80 - $19.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	217,992	$8,624	$36.66	$30.94 - $42.60
Q3 2025	153,500	$5,411	$34.45	$28.96 - $38.33
Q1 2025	151,500	$4,887	$37.12	$29.92 - $43.11
Q4 2024	151,500	$4,630	$32.16	$25.57 - $38.34
Q4 2023	69,100	$2,466	$37.19	$32.27 - $43.54
Q3 2023	47,300	$2,072	$48.78	$40.84 - $59.61
Q3 2019	139,600	$3,482	$28.55	$22.57 - $33.00
Q2 2019	204,950	$6,116	$29.19	$26.43 - $31.03
Q1 2019	203,410	$5,449	$30.37	$26.11 - $33.92
Q4 2018	231,120	$7,072	$31.15	$26.41 - $36.49
Q3 2018	238,210	$8,344	$31.66	$26.90 - $36.14
Q2 2018	226,919	$6,138	$23.50	$19.22 - $30.96
Q4 2015	25,500	$572	$20.61	$17.46 - $23.24
Q3 2015	23,100	$506	$24.99	$19.14 - $28.15
Q2 2015	19,600	$483	$22.33	$19.90 - $25.36
Q1 2015	19,600	$402	$19.37	$17.22 - $22.97
Q4 2014	38,000	$758	$17.16	$13.19 - $20.09
Q3 2014	38,000	$559	$15.93	$14.28 - $18.66
Q2 2014	36,200	$665	$16.64	$13.80 - $19.67