AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

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

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

Q4 2025

Shares 38,645 Value ($000) $2,738 Avg Close $80.81 Range $68.79 - $96.69

Q3 2025

Shares 36,346 Value ($000) $2,999 Avg Close $72.62 Range $61.31 - $93.44

Q2 2025

Shares 36,344 Value ($000) $2,401 Avg Close $53.03 Range $38.86 - $71.05

Q1 2025

Shares 35,800 Value ($000) $1,802 Avg Close $68.45 Range $47.62 - $85.15

Q4 2024

Shares 36,566 Value ($000) $2,660 Avg Close $63.71 Range $53.45 - $81.32

Q3 2024

Shares 36,755 Value ($000) $2,073 Avg Close $53.21 Range $39.69 - $65.88

Q2 2024

Shares 37,881 Value ($000) $2,044 Avg Close $49.68 Range $40.31 - $59.99

Q1 2024

Shares 38,264 Value ($000) $1,943 Avg Close $54.55 Range $48.31 - $65.39

Q4 2023

Shares 40,377 Value ($000) $2,475 Avg Close $54.58 Range $43.59 - $65.37

Q3 2023

Shares 41,620 Value ($000) $2,207 Avg Close $70.22 Range $50.29 - $85.09

Q2 2023

Shares 45,243 Value ($000) $3,785 Avg Close $73.14 Range $58.15 - $89.19

Q1 2023

Shares 45,856 Value ($000) $3,550 Avg Close $85.61 Range $73.00 - $99.86

Q4 2022

Shares 46,054 Value ($000) $3,787 Avg Close $66.57 Range $49.02 - $91.25

Q3 2022

Shares 45,516 Value ($000) $2,557 Avg Close $74.11 Range $56.05 - $93.63

Q2 2022

Shares 45,565 Value ($000) $2,983 Avg Close $80.58 Range $64.69 - $107.74

Q1 2022

Shares 46,339 Value ($000) $4,862 Avg Close $127.45 Range $81.28 - $220.14

Q4 2021

Shares 49,930 Value ($000) $10,130 Avg Close $185.38 Range $146.50 - $227.59

Q3 2021

Shares 48,566 Value ($000) $7,564 Avg Close $114.96 Range $88.01 - $169.28

Q2 2021

Shares 48,161 Value ($000) $5,135 Avg Close $99.01 Range $82.59 - $108.10

Q1 2021

Shares 51,118 Value ($000) $5,132 Avg Close $108.86 Range $90.44 - $137.21

Q4 2020

Shares 50,071 Value ($000) $4,598 Avg Close $70.02 Range $51.72 - $96.80

Q3 2020

Shares 50,064 Value ($000) $2,612 Avg Close $48.36 Range $43.76 - $59.00

Q2 2020

Shares 49,488 Value ($000) $2,267 Avg Close $51.52 Range $43.69 - $62.15

Q1 2020

Shares 49,189 Value ($000) $2,389 Avg Close $57.35 Range $36.02 - $73.59

Q4 2019

Shares 48,239 Value ($000) $2,921 Avg Close $55.38 Range $49.50 - $63.81

Q3 2019

Shares 49,213 Value ($000) $3,092 Avg Close $51.88 Range $43.01 - $67.15

Q2 2019

Shares 48,625 Value ($000) $2,146 Avg Close $44.81 Range $36.68 - $52.12

Q1 2019

Shares 47,475 Value ($000) $2,051 Avg Close $39.56 Range $33.88 - $45.00

Q4 2018

Shares 48,531 Value ($000) $1,698 Avg Close $35.41 Range $30.00 - $42.79

Q3 2018

Shares 49,535 Value ($000) $1,916 Avg Close $38.74 Range $34.33 - $41.00

Q2 2018

Shares 49,553 Value ($000) $1,913 Avg Close $47.34 Range $38.17 - $55.50

Q1 2018

Shares 49,441 Value ($000) $2,422 Avg Close $51.88 Range $45.02 - $66.23

Q4 2017

Shares 51,174 Value ($000) $3,006 Avg Close $55.57 Range $48.13 - $65.09

Q3 2017

Shares 51,983 Value ($000) $2,548 Avg Close $49.33 Range $40.06 - $54.93

Q2 2017

Shares 57,496 Value ($000) $2,791 Avg Close $55.38 Range $48.13 - $65.39

Q1 2017

Shares 63,050 Value ($000) $3,449 Avg Close $53.97 Range $46.80 - $60.68

Q4 2016

Shares 66,050 Value ($000) $3,575 Avg Close $60.31 Range $51.75 - $74.95

Q3 2016

Shares 67,850 Value ($000) $4,994 Avg Close $62.64 Range $48.77 - $74.56

Q2 2016

Shares 67,250 Value ($000) $3,417 Avg Close $44.18 Range $35.26 - $54.10

Q1 2016

Shares 66,536 Value ($000) $2,974 Avg Close $41.39 Range $33.39 - $57.62

Q4 2015

Shares 58,017 Value ($000) $3,234 Avg Close $56.36 Range $48.76 - $64.95

Q3 2015

Shares 57,117 Value ($000) $3,301 Avg Close $94.42 Range $53.76 - $129.19

Q2 2015

Shares 57,217 Value ($000) $5,876 Avg Close $87.40 Range $68.30 - $128.06

Q1 2015

Shares 52,767 Value ($000) $3,995 Avg Close $60.70 Range $48.50 - $77.39

Q4 2014

Shares 53,667 Value ($000) $2,722 Avg Close $46.72 Range $33.71 - $58.00

Q3 2014

Shares 53,140 Value ($000) $2,321 Avg Close $33.11 Range $27.40 - $46.78

Q2 2014

Shares 52,638 Value ($000) $1,641 Avg Close $26.43 Range $21.60 - $33.25

Q1 2014

Shares 33,538 Value ($000) $896 Avg Close $30.62 Range $24.69 - $36.49

Q4 2013

Shares 33,538 Value ($000) $1,138 Avg Close $22.95 Range $17.55 - $34.21

Q3 2013

Shares 33,038 Value ($000) $645 Avg Close $17.01 Range $13.16 - $19.80

Q2 2013

Shares 32,238 Value ($000) $543 Avg Close $15.18 Range $12.11 - $18.58

Q1 2013

Shares 10,500 Value ($000) $164 Avg Close $11.59 Range $9.04 - $15.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	38,645	$2,738	$80.81	$68.79 - $96.69
Q3 2025	36,346	$2,999	$72.62	$61.31 - $93.44
Q2 2025	36,344	$2,401	$53.03	$38.86 - $71.05
Q1 2025	35,800	$1,802	$68.45	$47.62 - $85.15
Q4 2024	36,566	$2,660	$63.71	$53.45 - $81.32
Q3 2024	36,755	$2,073	$53.21	$39.69 - $65.88
Q2 2024	37,881	$2,044	$49.68	$40.31 - $59.99
Q1 2024	38,264	$1,943	$54.55	$48.31 - $65.39
Q4 2023	40,377	$2,475	$54.58	$43.59 - $65.37
Q3 2023	41,620	$2,207	$70.22	$50.29 - $85.09
Q2 2023	45,243	$3,785	$73.14	$58.15 - $89.19
Q1 2023	45,856	$3,550	$85.61	$73.00 - $99.86
Q4 2022	46,054	$3,787	$66.57	$49.02 - $91.25
Q3 2022	45,516	$2,557	$74.11	$56.05 - $93.63
Q2 2022	45,565	$2,983	$80.58	$64.69 - $107.74
Q1 2022	46,339	$4,862	$127.45	$81.28 - $220.14
Q4 2021	49,930	$10,130	$185.38	$146.50 - $227.59
Q3 2021	48,566	$7,564	$114.96	$88.01 - $169.28
Q2 2021	48,161	$5,135	$99.01	$82.59 - $108.10
Q1 2021	51,118	$5,132	$108.86	$90.44 - $137.21
Q4 2020	50,071	$4,598	$70.02	$51.72 - $96.80
Q3 2020	50,064	$2,612	$48.36	$43.76 - $59.00
Q2 2020	49,488	$2,267	$51.52	$43.69 - $62.15
Q1 2020	49,189	$2,389	$57.35	$36.02 - $73.59
Q4 2019	48,239	$2,921	$55.38	$49.50 - $63.81
Q3 2019	49,213	$3,092	$51.88	$43.01 - $67.15
Q2 2019	48,625	$2,146	$44.81	$36.68 - $52.12
Q1 2019	47,475	$2,051	$39.56	$33.88 - $45.00
Q4 2018	48,531	$1,698	$35.41	$30.00 - $42.79
Q3 2018	49,535	$1,916	$38.74	$34.33 - $41.00
Q2 2018	49,553	$1,913	$47.34	$38.17 - $55.50
Q1 2018	49,441	$2,422	$51.88	$45.02 - $66.23
Q4 2017	51,174	$3,006	$55.57	$48.13 - $65.09
Q3 2017	51,983	$2,548	$49.33	$40.06 - $54.93
Q2 2017	57,496	$2,791	$55.38	$48.13 - $65.39
Q1 2017	63,050	$3,449	$53.97	$46.80 - $60.68
Q4 2016	66,050	$3,575	$60.31	$51.75 - $74.95
Q3 2016	67,850	$4,994	$62.64	$48.77 - $74.56
Q2 2016	67,250	$3,417	$44.18	$35.26 - $54.10
Q1 2016	66,536	$2,974	$41.39	$33.39 - $57.62
Q4 2015	58,017	$3,234	$56.36	$48.76 - $64.95
Q3 2015	57,117	$3,301	$94.42	$53.76 - $129.19
Q2 2015	57,217	$5,876	$87.40	$68.30 - $128.06
Q1 2015	52,767	$3,995	$60.70	$48.50 - $77.39
Q4 2014	53,667	$2,722	$46.72	$33.71 - $58.00
Q3 2014	53,140	$2,321	$33.11	$27.40 - $46.78
Q2 2014	52,638	$1,641	$26.43	$21.60 - $33.25
Q1 2014	33,538	$896	$30.62	$24.69 - $36.49
Q4 2013	33,538	$1,138	$22.95	$17.55 - $34.21
Q3 2013	33,038	$645	$17.01	$13.16 - $19.80
Q2 2013	32,238	$543	$15.18	$12.11 - $18.58
Q1 2013	10,500	$164	$11.59	$9.04 - $15.91