PALO ALTO NETWORKS INC

Ticker: PANW CUSIP: 697435105 Class: COM

Choate Investment Advisors's Holding History (CIK: 0001399794)

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

Q4 2025

Shares 17,126 Value ($000) $3,155 Avg Close $201.75 Range $180.05 - $223.61

Q3 2025

Shares 16,437 Value ($000) $3,347 Avg Close $191.42 Range $165.21 - $210.39

Q2 2025

Shares 12,953 Value ($000) $2,651 Avg Close $185.70 Range $144.15 - $206.74

Q1 2025

Shares 9,362 Value ($000) $1,598 Avg Close $184.92 Range $165.88 - $208.39

Q4 2024

Shares 12,506 Value ($000) $2,276 Avg Close $188.91 Range $164.13 - $207.24

Q3 2024

Shares 4,119 Value ($000) $1,408 Avg Close $168.32 Range $142.01 - $187.69

Q2 2024

Shares 3,754 Value ($000) $1,274 Avg Close $149.57 Range $132.50 - $172.95

Q1 2024

Shares 4,040 Value ($000) $1,148 Avg Close $157.74 Range $130.04 - $190.42

Q4 2023

Shares 4,126 Value ($000) $1,217 Avg Close $133.70 Range $115.05 - $159.00

Q3 2023

Shares 3,000 Value ($000) $703 Avg Close $118.33 Range $100.58 - $129.44

Q2 2023

Shares 2,676 Value ($000) $684 Avg Close $104.05 Range $88.15 - $128.41

Q1 2023

Shares 1,569 Value ($000) $313 Avg Close $84.74 Range $66.11 - $100.15

Q4 2022

Shares 1,629 Value ($000) $227 Avg Close $80.29 Range $68.37 - $89.50

Q1 2022

Shares 353 Value ($000) $220 Avg Close $89.50 Range $75.96 - $105.98

Q4 2021

Shares 673 Value ($000) $375 Avg Close $86.50 Range $77.19 - $95.44

Q3 2021

Shares 693 Value ($000) $332 Avg Close $70.26 Range $59.73 - $82.65

Q2 2021

Shares 803 Value ($000) $298 Avg Close $59.25 Range $53.70 - $64.45

Q1 2021

Shares 808 Value ($000) $260 Avg Close $59.44 Range $51.93 - $67.17

Q4 2020

Shares 898 Value ($000) $319 Avg Close $46.72 Range $36.56 - $62.50

Q1 2019

Shares 893 Value ($000) $217 Avg Close $37.09 Range $29.80 - $43.44

Q4 2018

Shares 1,158 Value ($000) $218 Avg Close $31.18 Range $26.68 - $38.18

Q3 2018

Shares 1,005 Value ($000) $226 Avg Close $36.40 Range $32.27 - $39.92

Q2 2018

Shares 1,265 Value ($000) $260 Avg Close $33.34 Range $29.60 - $36.23

Q1 2018

Shares 1,718 Value ($000) $311,851 Avg Close $27.78 Range $24.18 - $31.92

Q4 2017

Shares 2,053 Value ($000) $297,562 Avg Close $24.33 Range $22.64 - $26.14

Q3 2017

Shares 2,558 Value ($000) $368,608 Avg Close $22.77 Range $21.09 - $24.79

Q2 2017

Shares 2,593 Value ($000) $346,969 Avg Close $20.20 Range $17.89 - $23.55

Q1 2017

Shares 2,883 Value ($000) $324,856 Avg Close $22.36 Range $18.34 - $26.27

Q4 2016

Shares 3,188 Value ($000) $398,659 Avg Close $23.96 Range $20.59 - $27.61

Q3 2016

Shares 2,408 Value ($000) $383,667 Avg Close $22.79 Range $19.50 - $26.67

Q2 2016

Shares 2,408 Value ($000) $295,317 Avg Close $23.16 Range $19.11 - $27.29

Q1 2016

Shares 2,408 Value ($000) $392,841 Avg Close $24.59 Range $18.52 - $28.96

Q4 2015

Shares 6,523 Value ($000) $799,524 Avg Close $28.85 Range $25.04 - $32.45

Q3 2015

Shares 3,713 Value ($000) $638,636 Avg Close $29.50 Range $23.40 - $33.42

Q2 2015

Shares 3,803 Value ($000) $664,384 Avg Close $26.69 Range $23.26 - $30.83

Q1 2015

Shares 6,128 Value ($000) $895,178 Avg Close $22.39 Range $19.60 - $25.07

Q4 2014

Shares 6,523 Value ($000) $799,524 Avg Close $18.43 Range $14.64 - $21.37

Q3 2014

Shares 6,558 Value ($000) $643,340 Avg Close $14.35 Range $12.19 - $17.07

Q2 2014

Shares 5,351 Value ($000) $448,681 Avg Close $11.67 Range $9.58 - $14.30

Q1 2014

Shares 14,010 Value ($000) $961,086 Avg Close $11.35 Range $9.12 - $13.47

Q4 2013

Shares 9,936 Value ($000) $571,022 Avg Close $7.92 Range $6.73 - $9.65

Q3 2013

Shares 64,159 Value ($000) $2,939,765 Avg Close $7.89 Range $6.82 - $8.48

Q2 2013

Shares 44,053 Value ($000) $1,857,274 Avg Close $8.33 Range $6.51 - $9.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,126	$3,155	$201.75	$180.05 - $223.61
Q3 2025	16,437	$3,347	$191.42	$165.21 - $210.39
Q2 2025	12,953	$2,651	$185.70	$144.15 - $206.74
Q1 2025	9,362	$1,598	$184.92	$165.88 - $208.39
Q4 2024	12,506	$2,276	$188.91	$164.13 - $207.24
Q3 2024	4,119	$1,408	$168.32	$142.01 - $187.69
Q2 2024	3,754	$1,274	$149.57	$132.50 - $172.95
Q1 2024	4,040	$1,148	$157.74	$130.04 - $190.42
Q4 2023	4,126	$1,217	$133.70	$115.05 - $159.00
Q3 2023	3,000	$703	$118.33	$100.58 - $129.44
Q2 2023	2,676	$684	$104.05	$88.15 - $128.41
Q1 2023	1,569	$313	$84.74	$66.11 - $100.15
Q4 2022	1,629	$227	$80.29	$68.37 - $89.50
Q1 2022	353	$220	$89.50	$75.96 - $105.98
Q4 2021	673	$375	$86.50	$77.19 - $95.44
Q3 2021	693	$332	$70.26	$59.73 - $82.65
Q2 2021	803	$298	$59.25	$53.70 - $64.45
Q1 2021	808	$260	$59.44	$51.93 - $67.17
Q4 2020	898	$319	$46.72	$36.56 - $62.50
Q1 2019	893	$217	$37.09	$29.80 - $43.44
Q4 2018	1,158	$218	$31.18	$26.68 - $38.18
Q3 2018	1,005	$226	$36.40	$32.27 - $39.92
Q2 2018	1,265	$260	$33.34	$29.60 - $36.23
Q1 2018	1,718	$311,851	$27.78	$24.18 - $31.92
Q4 2017	2,053	$297,562	$24.33	$22.64 - $26.14
Q3 2017	2,558	$368,608	$22.77	$21.09 - $24.79
Q2 2017	2,593	$346,969	$20.20	$17.89 - $23.55
Q1 2017	2,883	$324,856	$22.36	$18.34 - $26.27
Q4 2016	3,188	$398,659	$23.96	$20.59 - $27.61
Q3 2016	2,408	$383,667	$22.79	$19.50 - $26.67
Q2 2016	2,408	$295,317	$23.16	$19.11 - $27.29
Q1 2016	2,408	$392,841	$24.59	$18.52 - $28.96
Q4 2015	6,523	$799,524	$28.85	$25.04 - $32.45
Q3 2015	3,713	$638,636	$29.50	$23.40 - $33.42
Q2 2015	3,803	$664,384	$26.69	$23.26 - $30.83
Q1 2015	6,128	$895,178	$22.39	$19.60 - $25.07
Q4 2014	6,523	$799,524	$18.43	$14.64 - $21.37
Q3 2014	6,558	$643,340	$14.35	$12.19 - $17.07
Q2 2014	5,351	$448,681	$11.67	$9.58 - $14.30
Q1 2014	14,010	$961,086	$11.35	$9.12 - $13.47
Q4 2013	9,936	$571,022	$7.92	$6.73 - $9.65
Q3 2013	64,159	$2,939,765	$7.89	$6.82 - $8.48
Q2 2013	44,053	$1,857,274	$8.33	$6.51 - $9.43