INTUITIVE SURGICAL INC

Ticker: ISRG CUSIP: 46120E602 Class: COM NEW

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025

Shares 6,141 Value ($000) $3,478 Avg Close $532.37 Range $427.84 - $583.45

Q3 2025

Shares 12,051 Value ($000) $5 Avg Close $479.87 Range $429.72 - $550.70

Q1 2024

Shares 1,632 Value ($000) $1 Avg Close $377.87 Range $320.26 - $403.76

Q4 2023

Shares 33,585 Value ($000) $11 Avg Close $298.09 Range $254.85 - $340.49

Q4 2022

Shares 7,513 Value ($000) $2 Avg Close $243.83 Range $180.07 - $285.09

Q3 2022

Shares 42,253 Value ($000) $7,919 Avg Close $214.77 Range $184.94 - $245.36

Q1 2022

Shares 12,153 Value ($000) $3,666 Avg Close $292.14 Range $254.20 - $362.00

Q4 2021

Shares 28,996 Value ($000) $10,418 Avg Close $344.06 Range $313.69 - $369.69

Q3 2021

Shares 31,844 Value ($000) $29,534 Avg Close $335.80 Range $305.50 - $362.34

Q2 2021

Shares 29,219 Value ($000) $26,870 Avg Close $280.54 Range $248.63 - $308.68

Q1 2021

Shares 8,152 Value ($000) $6,023 Avg Close $251.58 Range $227.47 - $275.28

Q4 2020

Shares 3,192 Value ($000) $2,611 Avg Close $248.30 Range $217.67 - $275.60

Q3 2020

Shares 289 Value ($000) $205 Avg Close $224.54 Range $188.74 - $259.61

Q2 2020

Shares 129 Value ($000) $73 Avg Close $179.26 Range $150.00 - $200.40

Q1 2019

Shares 11,251 Value ($000) $6,419 Avg Close $177.73 Range $148.82 - $193.08

Q3 2018

Shares 9,701 Value ($000) $5,568 Avg Close $177.57 Range $157.27 - $191.80

Q2 2018

Shares 11,289 Value ($000) $5,401 Avg Close $152.50 Range $131.19 - $165.64

Q4 2017

Shares 7,973 Value ($000) $2,909 Avg Close $125.15 Range $116.40 - $135.02

Q3 2017

Shares 1,496 Value ($000) $1,564 Avg Close $108.96 Range $102.29 - $117.20

Q2 2017

Shares 4,193 Value ($000) $3,922 Avg Close $96.11 Range $83.71 - $107.06

Q4 2016

Shares 6,872 Value ($000) $4,358 Avg Close $73.52 Range $67.86 - $80.81

Q3 2016

Shares 5,883 Value ($000) $4,264 Avg Close $76.57 Range $73.23 - $80.79

Q1 2016

Shares 7,775 Value ($000) $4,673 Avg Close $61.97 Range $55.78 - $67.53

Q2 2015

Shares 1,784 Value ($000) $864 Avg Close $55.94 Range $53.34 - $62.12

Q4 2014

Shares 2,043 Value ($000) $1,081 Avg Close $55.69 Range $49.93 - $59.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,141	$3,478	$532.37	$427.84 - $583.45
Q3 2025	12,051	$5	$479.87	$429.72 - $550.70
Q1 2024	1,632	$1	$377.87	$320.26 - $403.76
Q4 2023	33,585	$11	$298.09	$254.85 - $340.49
Q4 2022	7,513	$2	$243.83	$180.07 - $285.09
Q3 2022	42,253	$7,919	$214.77	$184.94 - $245.36
Q1 2022	12,153	$3,666	$292.14	$254.20 - $362.00
Q4 2021	28,996	$10,418	$344.06	$313.69 - $369.69
Q3 2021	31,844	$29,534	$335.80	$305.50 - $362.34
Q2 2021	29,219	$26,870	$280.54	$248.63 - $308.68
Q1 2021	8,152	$6,023	$251.58	$227.47 - $275.28
Q4 2020	3,192	$2,611	$248.30	$217.67 - $275.60
Q3 2020	289	$205	$224.54	$188.74 - $259.61
Q2 2020	129	$73	$179.26	$150.00 - $200.40
Q1 2019	11,251	$6,419	$177.73	$148.82 - $193.08
Q3 2018	9,701	$5,568	$177.57	$157.27 - $191.80
Q2 2018	11,289	$5,401	$152.50	$131.19 - $165.64
Q4 2017	7,973	$2,909	$125.15	$116.40 - $135.02
Q3 2017	1,496	$1,564	$108.96	$102.29 - $117.20
Q2 2017	4,193	$3,922	$96.11	$83.71 - $107.06
Q4 2016	6,872	$4,358	$73.52	$67.86 - $80.81
Q3 2016	5,883	$4,264	$76.57	$73.23 - $80.79
Q1 2016	7,775	$4,673	$61.97	$55.78 - $67.53
Q2 2015	1,784	$864	$55.94	$53.34 - $62.12
Q4 2014	2,043	$1,081	$55.69	$49.93 - $59.87