ATRICURE INC

Ticker: ATRC CUSIP: 04963C209 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 44,960 Value ($000) $1,779 Avg Close $36.66 Range $30.94 - $42.60

Q3 2025

Shares 45,003 Value ($000) $1,586 Avg Close $34.45 Range $28.96 - $38.33

Q2 2025

Shares 45,001 Value ($000) $1,475 Avg Close $32.50 Range $28.29 - $35.60

Q1 2025

Shares 44,310 Value ($000) $1,429 Avg Close $37.12 Range $29.92 - $43.11

Q4 2024

Shares 45,447 Value ($000) $1,389 Avg Close $32.16 Range $25.57 - $38.34

Q3 2024

Shares 45,705 Value ($000) $1,282 Avg Close $24.65 Range $20.20 - $30.15

Q2 2024

Shares 47,114 Value ($000) $1,073 Avg Close $23.08 Range $18.94 - $30.39

Q1 2024

Shares 47,315 Value ($000) $1,439 Avg Close $33.50 Range $27.92 - $39.05

Q4 2023

Shares 49,832 Value ($000) $1,779 Avg Close $37.19 Range $32.27 - $43.54

Q3 2023

Shares 52,054 Value ($000) $2,280 Avg Close $48.78 Range $40.84 - $59.61

Q2 2023

Shares 57,199 Value ($000) $2,823 Avg Close $46.09 Range $39.03 - $50.85

Q1 2023

Shares 55,776 Value ($000) $2,312 Avg Close $41.50 Range $35.20 - $47.85

Q4 2022

Shares 56,578 Value ($000) $2,511 Avg Close $41.77 Range $32.51 - $49.60

Q3 2022

Shares 55,841 Value ($000) $2,183 Avg Close $45.75 Range $37.81 - $52.96

Q2 2022

Shares 57,138 Value ($000) $2,335 Avg Close $47.37 Range $32.84 - $68.58

Q1 2022

Shares 56,256 Value ($000) $3,694 Avg Close $64.80 Range $56.84 - $72.31

Q4 2021

Shares 61,304 Value ($000) $4,262 Avg Close $72.69 Range $63.31 - $89.18

Q3 2021

Shares 59,632 Value ($000) $4,147 Avg Close $76.95 Range $69.01 - $85.50

Q2 2021

Shares 61,742 Value ($000) $4,898 Avg Close $72.70 Range $62.67 - $80.98

Q1 2021

Shares 65,934 Value ($000) $4,320 Avg Close $61.58 Range $52.54 - $68.00

Q4 2020

Shares 66,130 Value ($000) $3,681 Avg Close $43.24 Range $34.04 - $58.03

Q3 2020

Shares 66,172 Value ($000) $2,640 Avg Close $42.41 Range $34.12 - $48.16

Q2 2020

Shares 58,796 Value ($000) $2,643 Avg Close $43.54 Range $30.66 - $51.76

Q1 2020

Shares 57,753 Value ($000) $1,940 Avg Close $35.95 Range $23.17 - $44.51

Q4 2019

Shares 58,039 Value ($000) $1,887 Avg Close $28.46 Range $23.45 - $32.80

Q3 2019

Shares 57,823 Value ($000) $1,442 Avg Close $28.55 Range $22.57 - $33.00

Q2 2019

Shares 57,133 Value ($000) $1,705 Avg Close $29.19 Range $26.43 - $31.03

Q1 2019

Shares 56,861 Value ($000) $1,523 Avg Close $30.37 Range $26.11 - $33.92

Q4 2018

Shares 57,703 Value ($000) $1,766 Avg Close $31.15 Range $26.41 - $36.49

Q3 2018

Shares 51,297 Value ($000) $1,797 Avg Close $31.66 Range $26.90 - $36.14

Q2 2018

Shares 51,315 Value ($000) $1,388 Avg Close $23.50 Range $19.22 - $30.96

Q1 2018

Shares 48,833 Value ($000) $1,002 Avg Close $18.06 Range $14.88 - $21.21

Q4 2017

Shares 50,612 Value ($000) $923 Avg Close $19.80 Range $16.18 - $23.73

Q3 2017

Shares 51,117 Value ($000) $1,143 Avg Close $22.61 Range $19.85 - $25.18

Q2 2017

Shares 56,190 Value ($000) $1,363 Avg Close $21.26 Range $18.33 - $24.85

Q1 2017

Shares 61,906 Value ($000) $1,185 Avg Close $17.52 Range $14.78 - $19.79

Q4 2016

Shares 64,806 Value ($000) $1,268 Avg Close $18.12 Range $15.15 - $20.40

Q3 2016

Shares 66,406 Value ($000) $1,051 Avg Close $15.37 Range $13.45 - $17.27

Q2 2016

Shares 65,906 Value ($000) $931 Avg Close $15.24 Range $13.44 - $18.03

Q1 2016

Shares 60,105 Value ($000) $1,012 Avg Close $17.59 Range $14.85 - $22.42

Q4 2015

Shares 52,600 Value ($000) $1,180 Avg Close $20.61 Range $17.46 - $23.24

Q3 2015

Shares 51,614 Value ($000) $1,131 Avg Close $24.99 Range $19.14 - $28.15

Q2 2015

Shares 51,814 Value ($000) $1,277 Avg Close $22.33 Range $19.90 - $25.36

Q1 2015

Shares 50,033 Value ($000) $1,025 Avg Close $19.37 Range $17.22 - $22.97

Q4 2014

Shares 50,833 Value ($000) $1,015 Avg Close $17.16 Range $13.19 - $20.09

Q3 2014

Shares 50,617 Value ($000) $745 Avg Close $15.93 Range $14.28 - $18.66

Q2 2014

Shares 50,030 Value ($000) $920 Avg Close $16.64 Range $13.80 - $19.67

Q1 2014

Shares 43,830 Value ($000) $824 Avg Close $20.49 Range $17.57 - $23.00

Q4 2013

Shares 37,930 Value ($000) $709 Avg Close $14.54 Range $11.00 - $19.11

Q3 2013

Shares 37,730 Value ($000) $414 Avg Close $9.86 Range $8.48 - $11.25

Q2 2013

Shares 36,476 Value ($000) $347 Avg Close $8.71 Range $7.48 - $9.75

Q1 2013

Shares 31,262 Value ($000) $248 Avg Close $8.08 Range $6.87 - $8.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	44,960	$1,779	$36.66	$30.94 - $42.60
Q3 2025	45,003	$1,586	$34.45	$28.96 - $38.33
Q2 2025	45,001	$1,475	$32.50	$28.29 - $35.60
Q1 2025	44,310	$1,429	$37.12	$29.92 - $43.11
Q4 2024	45,447	$1,389	$32.16	$25.57 - $38.34
Q3 2024	45,705	$1,282	$24.65	$20.20 - $30.15
Q2 2024	47,114	$1,073	$23.08	$18.94 - $30.39
Q1 2024	47,315	$1,439	$33.50	$27.92 - $39.05
Q4 2023	49,832	$1,779	$37.19	$32.27 - $43.54
Q3 2023	52,054	$2,280	$48.78	$40.84 - $59.61
Q2 2023	57,199	$2,823	$46.09	$39.03 - $50.85
Q1 2023	55,776	$2,312	$41.50	$35.20 - $47.85
Q4 2022	56,578	$2,511	$41.77	$32.51 - $49.60
Q3 2022	55,841	$2,183	$45.75	$37.81 - $52.96
Q2 2022	57,138	$2,335	$47.37	$32.84 - $68.58
Q1 2022	56,256	$3,694	$64.80	$56.84 - $72.31
Q4 2021	61,304	$4,262	$72.69	$63.31 - $89.18
Q3 2021	59,632	$4,147	$76.95	$69.01 - $85.50
Q2 2021	61,742	$4,898	$72.70	$62.67 - $80.98
Q1 2021	65,934	$4,320	$61.58	$52.54 - $68.00
Q4 2020	66,130	$3,681	$43.24	$34.04 - $58.03
Q3 2020	66,172	$2,640	$42.41	$34.12 - $48.16
Q2 2020	58,796	$2,643	$43.54	$30.66 - $51.76
Q1 2020	57,753	$1,940	$35.95	$23.17 - $44.51
Q4 2019	58,039	$1,887	$28.46	$23.45 - $32.80
Q3 2019	57,823	$1,442	$28.55	$22.57 - $33.00
Q2 2019	57,133	$1,705	$29.19	$26.43 - $31.03
Q1 2019	56,861	$1,523	$30.37	$26.11 - $33.92
Q4 2018	57,703	$1,766	$31.15	$26.41 - $36.49
Q3 2018	51,297	$1,797	$31.66	$26.90 - $36.14
Q2 2018	51,315	$1,388	$23.50	$19.22 - $30.96
Q1 2018	48,833	$1,002	$18.06	$14.88 - $21.21
Q4 2017	50,612	$923	$19.80	$16.18 - $23.73
Q3 2017	51,117	$1,143	$22.61	$19.85 - $25.18
Q2 2017	56,190	$1,363	$21.26	$18.33 - $24.85
Q1 2017	61,906	$1,185	$17.52	$14.78 - $19.79
Q4 2016	64,806	$1,268	$18.12	$15.15 - $20.40
Q3 2016	66,406	$1,051	$15.37	$13.45 - $17.27
Q2 2016	65,906	$931	$15.24	$13.44 - $18.03
Q1 2016	60,105	$1,012	$17.59	$14.85 - $22.42
Q4 2015	52,600	$1,180	$20.61	$17.46 - $23.24
Q3 2015	51,614	$1,131	$24.99	$19.14 - $28.15
Q2 2015	51,814	$1,277	$22.33	$19.90 - $25.36
Q1 2015	50,033	$1,025	$19.37	$17.22 - $22.97
Q4 2014	50,833	$1,015	$17.16	$13.19 - $20.09
Q3 2014	50,617	$745	$15.93	$14.28 - $18.66
Q2 2014	50,030	$920	$16.64	$13.80 - $19.67
Q1 2014	43,830	$824	$20.49	$17.57 - $23.00
Q4 2013	37,930	$709	$14.54	$11.00 - $19.11
Q3 2013	37,730	$414	$9.86	$8.48 - $11.25
Q2 2013	36,476	$347	$8.71	$7.48 - $9.75
Q1 2013	31,262	$248	$8.08	$6.87 - $8.99