Z

SEC source: 0001225208-21-004975 · doc4.xml · nonDerivative · entry 3

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Barton Ventures II LLC

Disclosed balance after: 541,546

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F4 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $136.36 to $137.13. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004975 · doc4.xml · nonDerivative · entry 2

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Barton Ventures II LLC

Disclosed balance after: 543,046

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F3 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $137.53 to $138.50. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004975 · doc4.xml · nonDerivative · entry 1

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Barton Ventures II LLC

Disclosed balance after: 543,646

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F2 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $138.69 to $138.85. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004987 · doc4.xml · derivative · entry 2

Johnson Aimee · CIK 0001797251 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,395

Underlying: Class C Capital Stock · 124,395 shares

Expires 2031-03-05

F2 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004987 · doc4.xml · nonDerivative · entry 1

Johnson Aimee · CIK 0001797251 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,130

F1 · shares: Represents a grant of restricted stock units that will vest as to 1/16th of the total amount of shares subject to the grant on each of the issuer's quarterly vesting dates until the restricted stock units are fully vested.

SEC source: 0001225208-21-004975 · doc4.xml · derivative · entry 21

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 331,730

Underlying: Class C Capital Stock · 331,730 shares

Expires 2031-03-05

F18 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004985 · doc4.xml · derivative · entry 2

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,930

Underlying: Class C Capital Stock · 82,930 shares

Expires 2031-03-05

F2 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004985 · doc4.xml · nonDerivative · entry 1

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,389

F1 · shares: Represents a grant of restricted stock units that will vest as to 1/16th of the total amount of shares subject to the grant on each of the issuer's quarterly vesting dates until the restricted stock units are fully vested.

SEC source: 0001225208-21-004978 · doc4.xml · derivative · entry 1

Frink Lloyd D · CIK 0001524265 · Director · Chairman & President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,385

Underlying: Class C Capital Stock · 265,385 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004976 · doc4.xml · derivative · entry 1

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,155

Underlying: Class C Capital Stock · 221,155 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004986 · doc4.xml · derivative · entry 2

Prawer Arik · CIK 0001578514 · President, Homes

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,865

Underlying: Class C Capital Stock · 165,865 shares

Expires 2031-03-05

F2 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004986 · doc4.xml · nonDerivative · entry 1

Prawer Arik · CIK 0001578514 · President, Homes

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,930

F1 · shares: Represents a grant of restricted stock units that will vest as to 1/16th of the total amount of shares subject to the grant on each of the issuer's quarterly vesting dates until the restricted stock units are fully vested.

SEC source: 0001225208-21-004981 · doc4.xml · derivative · entry 1

Spaulding Dan · CIK 0001771798 · Chief People Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,865

Underlying: Class C Capital Stock · 165,865 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004980 · doc4.xml · derivative · entry 1

Owens Bradley D. · CIK 0001779324 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,575

Underlying: Class C Capital Stock · 110,575 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004979 · doc4.xml · derivative · entry 1

Wacksman Jeremy · CIK 0001709817 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,385

Underlying: Class C Capital Stock · 265,385 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004984 · doc4.xml · nonDerivative · entry 1

Rock Jennifer · CIK 0001740203 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,572

F1 · shares: Represents a grant of restricted stock units that will vest as to 1/16th of the total amount of shares subject to the grant on each of the issuer's quarterly vesting dates until the restricted stock units are fully vested.

SEC source: 0001225208-21-004983 · doc4.xml · derivative · entry 2

Daimler Susan · CIK 0001833557 · President of Zillow

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 110,575

Underlying: Class C Capital Stock · 110,575 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004983 · doc4.xml · derivative · entry 1

Daimler Susan · CIK 0001833557 · President of Zillow

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,155

Underlying: Class C Capital Stock · 221,155 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004982 · doc4.xml · derivative · entry 1

Parker Allen · CIK 0001759701 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,155

Underlying: Class C Capital Stock · 221,155 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004977 · doc4.xml · derivative · entry 1

Humphries Stanley B · CIK 0001649621 · Chief Analytics Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,865

Underlying: Class C Capital Stock · 165,865 shares

Expires 2031-03-05

F1 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/16th of the total number of shares subject to the option become exercisable at the first vesting date and an additional 1/16th become exercisable on each issuer quarterly vesting date occurring thereafter until the option is fully vested.

SEC source: 0001225208-21-004730 · doc4.xml · derivative · entry 6

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,556

Underlying: Class C Capital Stock · 1,161 shares

Expires 2028-03-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004730 · doc4.xml · derivative · entry 5

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,919

Underlying: Class C Capital Stock · 5,963 shares

Expires 2029-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004730 · doc4.xml · nonDerivative · entry 4

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,802

F2 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $161.40 to $162.30. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004730 · doc4.xml · nonDerivative · entry 3

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,393

F1 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $160.00 to $160.9650. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004730 · doc4.xml · nonDerivative · entry 2

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,946

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004730 · doc4.xml · nonDerivative · entry 1

Samuelson Errol G · CIK 0001382072 · Chief Industry Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,785

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004509 · doc4.xml · derivative · entry 6

MAFFEI GREGORY B · CIK 0001099636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class C Capital Stock · 9,204 shares

Expires 2021-03-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Option is fully vested and exercisable.

SEC source: 0001225208-21-004509 · doc4.xml · derivative · entry 5

MAFFEI GREGORY B · CIK 0001099636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,602 shares

Expires 2021-03-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Option is fully vested and exercisable.

SEC source: 0001225208-21-004509 · doc4.xml · nonDerivative · entry 3

MAFFEI GREGORY B · CIK 0001099636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 627,162

F1 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $165.71 to $166.0650. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004509 · doc4.xml · nonDerivative · entry 2

MAFFEI GREGORY B · CIK 0001099636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 629,458

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004509 · doc4.xml · nonDerivative · entry 1

MAFFEI GREGORY B · CIK 0001099636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 315,274

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004506 · doc4.xml · derivative · entry 6

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class C Capital Stock · 9,350 shares

Expires 2022-08-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-21-004506 · doc4.xml · nonDerivative · entry 5

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,709

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2020.

F5 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $165.4750 to $166.47. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004506 · doc4.xml · nonDerivative · entry 4

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,484

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2020.

F4 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $166.48 to $167.0650. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004506 · doc4.xml · nonDerivative · entry 3

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,690

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2020.

F3 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $167.50 to $168.19. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004506 · doc4.xml · nonDerivative · entry 2

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,845

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2020.

F2 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $168.81 to $168.86. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004506 · doc4.xml · nonDerivative · entry 1

Beitel David A. · CIK 0001524316 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,059

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001082906-21-000007 · edgar.xml · derivative · entry 1

Hoag Jay C · CIK 0001082906 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,106

Underlying: Class C Capital Stock · 3,106 shares

Expires 2031-03-01

F1 · derivative.exercise_date: 1/4th of the shares subject to the option will vest and become exercisable after each-three-month period following the grant date such that the option will be fully vested and exercisable on the one-year anniversary of the grant date.

F2 · ownership.direct: Jay C. Hoag has sole voting and dispositive power over the options he holds directly. However, TCV VIII Management, L.L.C. and TCV IX Management, L.L.C. have a right to 100% of the pecuniary interest in such options. Mr. Hoag is a Member of TCV VIII Management, L.L.C. and a Member of TCV IX Management, L.L.C. Mr. Hoag disclaims beneficial ownership of such options and the shares to be received upon the exercise of such options except to the extent of his pecuniary interest therein.

SEC source: 0001225208-21-004509 · doc4.xml · derivative · entry 4

MAFFEI GREGORY B · CIK 0001099636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,106

Underlying: Class C Capital Stock · 3,106 shares

Expires 2031-03-01

F2 · derivative.exercise_date: 1/4th of the shares subject to the option will vest and become exercisable after each-three-month period following the grant date such that the option will be fully vested and exercisable on the one-year anniversary of the grant date.

SEC source: 0001225208-21-004518 · doc4.xml · derivative · entry 1

Underwood April · CIK 0001698083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,106

Underlying: Class C Capital Stock · 3,106 shares

Expires 2031-03-01

F1 · derivative.exercise_date: 1/4th of the shares subject to the option will vest and become exercisable after each-three-month period following the grant date such that the option will be fully vested and exercisable on the one-year anniversary of the grant date.

SEC source: 0001225208-21-004512 · doc4.xml · derivative · entry 19

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class C Capital Stock · 87,500 shares

Expires 2022-01-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F15 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/4th of the total number of shares originally subject to the option become exercisable at the first vesting date and an additional 1/48th become exercisable each month thereafter until the option is fully vested.

SEC source: 0001225208-21-004512 · doc4.xml · derivative · entry 18

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 43,750 shares

Expires 2022-01-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F15 · derivative.exercise_date: Date at which first vesting occurs is indicated. 1/4th of the total number of shares originally subject to the option become exercisable at the first vesting date and an additional 1/48th become exercisable each month thereafter until the option is fully vested.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 14

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,643,940

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F14 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $165.99 to $166.98. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

F7 · balance_after: Excluded from this Form 4 are 20,000 Class A common shares and 387,000 Class C capital shares previously reported as indirectly held through The Barton Foundation, a 501(c)(3) charitable foundation. Since the shares are held by a 501(c)(3) charitable foundation, the reporting person has no pecuniary interest in them. The reporting person previously reported the gifts of the shares to The Barton Foundation on Form 4s filed on August 27, 2014, November 7, 2016, November 14, 2017 and September 3, 2020.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 13

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,672,464

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F13 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $166.99 to $167.9899. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 12

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,700,226

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F12 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $167.99 to $168.97. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 11

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,714,789

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F11 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $164.99 to $165.98. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 10

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,726,629

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F10 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $168.99 to $169.86. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 9

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,730,140

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F9 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $163.9050 to $164.86. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 8

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,730,840

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2020.

F8 · price: The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $170.00 to $170.13. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-21-004512 · doc4.xml · nonDerivative · entry 7

BARTON RICHARD N · CIK 0001184230 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,731,440

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.