Three Months Ended

December 31,
2020

September 30,
2020

June 30,
2020

March 31,
2020

Revenue

$

1,329.1

$

1,077.7

$

852.1

$

1,099.5

Gross profit

$

895.8

$

724.3

$

502.9

$

738.2

Net income attributable to Intuitive Surgical, Inc. (1)(2)(3)

$

365.2

$

313.9

$

68

$

313.5

Net income attributable to Intuitive Surgical, Inc. per share:

Basic

$

3.11

$

2.68

$

0.58

$

2.69

Diluted

$

3.02

$

2.60

$

0.57

$

2.62

(1) Includes discrete tax benefits as follows:

Excess tax benefits related to share-based compensation arrangements

$

21.3

$

47.9

$

31.6

$

65.4

Discrete tax expense arising from the conclusion of a tax matter

$

—

$

—

$

(36.8)

$

—

(2) Includes acquisition-related benefits (charges)

$

(2.9)

$

(4.6)

$

(4.4)

$

1.4

(3) Includes charitable foundation contribution expense

$

(25.0)

$

—

$

—

$

—

Three Months Ended

December 31,
2019

September 30,
2019

June 30,
2019

March 31,
2019

Revenue

$

1,277.7

$

1,128.2

$

1,098.9

$

973.7

Gross profit

$

896.0

$

785.6

$

759.0

$

669.6

Net income attributable to Intuitive Surgical, Inc. (1)(2)(3)

$

357.7

$

396.8

$

318.3

$

306.5

Net income attributable to Intuitive Surgical, Inc. per share:

Basic

$

3.09

$

3.44

$

2.76

$

2.67

Diluted

$

2.99

$

3.33

$

2.67

$

2.56

(1) Includes discrete tax benefits as follows:

Excess tax benefits related to share-based compensation arrangements

$

33.7

$

28.8

$

11.3

$

72.7

One-time tax benefit related to the enactment of Swiss tax reform

$

—

$

51.3

$

—

$

—

(2) Includes acquisition-related benefits (charges)

$

(3.1)

$

3.0

$

(4.1)

$

(3.0)

(3) Includes charitable foundation contribution expense

$

(5.0)

$

—

$

—

$

—