PALO ALTO NETWORKS INC

Ticker: PANW CUSIP: 697435105 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2025

Shares 11,185 Value ($000) $2,060 Avg Close $201.75 Range $180.05 - $223.61

Q3 2025

Shares 6,145 Value ($000) $1,251 Avg Close $191.42 Range $165.21 - $210.39

Q2 2022

Shares 720 Value ($000) $356 Avg Close $88.67 Range $70.26 - $106.82

Q1 2022

Shares 720 Value ($000) $448 Avg Close $89.50 Range $75.96 - $105.98

Q4 2021

Shares 720 Value ($000) $401 Avg Close $86.50 Range $77.19 - $95.44

Q3 2021

Shares 1,060 Value ($000) $508 Avg Close $70.26 Range $59.73 - $82.65

Q2 2021

Shares 860 Value ($000) $319 Avg Close $59.25 Range $53.70 - $64.45

Q3 2017

Shares 78,627 Value ($000) $11,330 Avg Close $22.77 Range $21.09 - $24.79

Q2 2017

Shares 203,705 Value ($000) $27,258 Avg Close $20.20 Range $17.89 - $23.55

Q1 2017

Shares 212,235 Value ($000) $23,915 Avg Close $22.36 Range $18.34 - $26.27

Q4 2016

Shares 298,848 Value ($000) $37,371 Avg Close $23.96 Range $20.59 - $27.61

Q3 2016

Shares 236,370 Value ($000) $37,661 Avg Close $22.79 Range $19.50 - $26.67

Q2 2016

Shares 248,260 Value ($000) $30,447 Avg Close $23.16 Range $19.11 - $27.29

Q1 2016

Shares 231,120 Value ($000) $37,705 Avg Close $24.59 Range $18.52 - $28.96

Q4 2015

Shares 279,980 Value ($000) $49,316 Avg Close $28.85 Range $25.04 - $32.45

Q3 2015

Shares 280,700 Value ($000) $48,280 Avg Close $29.50 Range $23.40 - $33.42

Q2 2015

Shares 297,031 Value ($000) $51,891 Avg Close $26.69 Range $23.26 - $30.83

Q1 2015

Shares 307,851 Value ($000) $44,971 Avg Close $22.39 Range $19.60 - $25.07

Q4 2014

Shares 388,200 Value ($000) $47,582 Avg Close $18.43 Range $14.64 - $21.37

Q3 2014

Shares 138,715 Value ($000) $9,516 Avg Close $14.35 Range $12.19 - $17.07

Q2 2014

Shares 337,580 Value ($000) $28,306 Avg Close $11.67 Range $9.58 - $14.30

Q1 2014

Shares 138,715 Value ($000) $9,516 Avg Close $11.35 Range $9.12 - $13.47

Q4 2013

Shares 272,315 Value ($000) $15,650 Avg Close $7.92 Range $6.73 - $9.65

Q3 2013

Shares 377,990 Value ($000) $37,081 Avg Close $7.89 Range $6.82 - $8.48

Q2 2013

Shares 464,700 Value ($000) $19,592 Avg Close $8.33 Range $6.51 - $9.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,185	$2,060	$201.75	$180.05 - $223.61
Q3 2025	6,145	$1,251	$191.42	$165.21 - $210.39
Q2 2022	720	$356	$88.67	$70.26 - $106.82
Q1 2022	720	$448	$89.50	$75.96 - $105.98
Q4 2021	720	$401	$86.50	$77.19 - $95.44
Q3 2021	1,060	$508	$70.26	$59.73 - $82.65
Q2 2021	860	$319	$59.25	$53.70 - $64.45
Q3 2017	78,627	$11,330	$22.77	$21.09 - $24.79
Q2 2017	203,705	$27,258	$20.20	$17.89 - $23.55
Q1 2017	212,235	$23,915	$22.36	$18.34 - $26.27
Q4 2016	298,848	$37,371	$23.96	$20.59 - $27.61
Q3 2016	236,370	$37,661	$22.79	$19.50 - $26.67
Q2 2016	248,260	$30,447	$23.16	$19.11 - $27.29
Q1 2016	231,120	$37,705	$24.59	$18.52 - $28.96
Q4 2015	279,980	$49,316	$28.85	$25.04 - $32.45
Q3 2015	280,700	$48,280	$29.50	$23.40 - $33.42
Q2 2015	297,031	$51,891	$26.69	$23.26 - $30.83
Q1 2015	307,851	$44,971	$22.39	$19.60 - $25.07
Q4 2014	388,200	$47,582	$18.43	$14.64 - $21.37
Q3 2014	138,715	$9,516	$14.35	$12.19 - $17.07
Q2 2014	337,580	$28,306	$11.67	$9.58 - $14.30
Q1 2014	138,715	$9,516	$11.35	$9.12 - $13.47
Q4 2013	272,315	$15,650	$7.92	$6.73 - $9.65
Q3 2013	377,990	$37,081	$7.89	$6.82 - $8.48
Q2 2013	464,700	$19,592	$8.33	$6.51 - $9.43