ZSCALER INC

Ticker: ZS CUSIP: 98980G102 Class: EQTY

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025

Shares 8,113 Value ($000) $1,825 Avg Close $282.25 Range $224.88 - $336.99

Q3 2025

Shares 1,891 Value ($000) $567 Avg Close $285.11 Range $260.40 - $318.46

Q2 2025

Shares 1,599 Value ($000) $502 Avg Close $249.30 Range $164.78 - $317.26

Q1 2025

Shares 1,370 Value ($000) $272 Avg Close $199.27 Range $180.18 - $217.10

Q4 2024

Shares 6,304 Value ($000) $1,137 Avg Close $193.56 Range $165.42 - $217.84

Q3 2024

Shares 3,040 Value ($000) $520 Avg Close $182.63 Range $153.45 - $208.14

Q2 2024

Shares 18,549 Value ($000) $3,565 Avg Close $177.98 Range $155.25 - $193.96

Q1 2024

Shares 4,120 Value ($000) $794 Avg Close $223.73 Range $190.35 - $259.61

Q4 2023

Shares 10,164 Value ($000) $2,252 Avg Close $185.19 Range $149.63 - $227.29

Q3 2023

Shares 8,494 Value ($000) $1,322 Avg Close $149.95 Range $131.59 - $167.50

Q2 2023

Shares 5,631 Value ($000) $824 Avg Close $122.11 Range $84.93 - $162.67

Q1 2023

Shares 4,631 Value ($000) $1 Avg Close $119.97 Range $99.64 - $143.63

Q4 2022

Shares 3,162 Value ($000) $0 Avg Close $135.86 Range $105.74 - $185.99

Q3 2022

Shares 24,277 Value ($000) $3,990 Avg Close $163.61 Range $140.72 - $194.21

Q2 2022

Shares 19,985 Value ($000) $2,988 Avg Close $176.82 Range $125.12 - $253.74

Q1 2022

Shares 25,375 Value ($000) $6,123 Avg Close $245.72 Range $186.00 - $323.55

Q4 2021

Shares 11,993 Value ($000) $3,854 Avg Close $314.89 Range $248.33 - $376.11

Q3 2021

Shares 498 Value ($000) $130 Avg Close $251.10 Range $211.19 - $293.44

Q2 2021

Shares 168 Value ($000) $36 Avg Close $190.14 Range $157.03 - $223.94

Q1 2021

Shares 3,162 Value ($000) $542 Avg Close $198.66 Range $160.66 - $230.88

Q4 2020

Shares 632 Value ($000) $126 Avg Close $159.02 Range $120.34 - $212.59

Q4 2019

Shares 44 Value ($000) $2 Avg Close $46.41 Range $40.05 - $53.07

Q3 2019

Shares 6,741 Value ($000) $319 Avg Close $72.02 Range $46.04 - $89.54

Q2 2019

Shares 906 Value ($000) $69 Avg Close $71.23 Range $60.02 - $82.25

Q1 2019

Shares 172 Value ($000) $12 Avg Close $53.12 Range $38.03 - $72.69

Q3 2018

Shares 705 Value ($000) $29 Avg Close $40.40 Range $33.90 - $48.24

Q2 2018

Shares 1,697 Value ($000) $61 Avg Close $30.52 Range $24.76 - $43.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,113	$1,825	$282.25	$224.88 - $336.99
Q3 2025	1,891	$567	$285.11	$260.40 - $318.46
Q2 2025	1,599	$502	$249.30	$164.78 - $317.26
Q1 2025	1,370	$272	$199.27	$180.18 - $217.10
Q4 2024	6,304	$1,137	$193.56	$165.42 - $217.84
Q3 2024	3,040	$520	$182.63	$153.45 - $208.14
Q2 2024	18,549	$3,565	$177.98	$155.25 - $193.96
Q1 2024	4,120	$794	$223.73	$190.35 - $259.61
Q4 2023	10,164	$2,252	$185.19	$149.63 - $227.29
Q3 2023	8,494	$1,322	$149.95	$131.59 - $167.50
Q2 2023	5,631	$824	$122.11	$84.93 - $162.67
Q1 2023	4,631	$1	$119.97	$99.64 - $143.63
Q4 2022	3,162	$0	$135.86	$105.74 - $185.99
Q3 2022	24,277	$3,990	$163.61	$140.72 - $194.21
Q2 2022	19,985	$2,988	$176.82	$125.12 - $253.74
Q1 2022	25,375	$6,123	$245.72	$186.00 - $323.55
Q4 2021	11,993	$3,854	$314.89	$248.33 - $376.11
Q3 2021	498	$130	$251.10	$211.19 - $293.44
Q2 2021	168	$36	$190.14	$157.03 - $223.94
Q1 2021	3,162	$542	$198.66	$160.66 - $230.88
Q4 2020	632	$126	$159.02	$120.34 - $212.59
Q4 2019	44	$2	$46.41	$40.05 - $53.07
Q3 2019	6,741	$319	$72.02	$46.04 - $89.54
Q2 2019	906	$69	$71.23	$60.02 - $82.25
Q1 2019	172	$12	$53.12	$38.03 - $72.69
Q3 2018	705	$29	$40.40	$33.90 - $48.24
Q2 2018	1,697	$61	$30.52	$24.76 - $43.98