GH

SEC source: 0001576280-21-000063 · wf-form4_162042007667326.xml · nonDerivative · entry 2

Kaul Samir · CIK 0001501915 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 18,348

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $140.99 to $141.98 inclusive.

F3 · ownership.nature: Consists of securities held of record by a trust for the benefit of Mr. Kaul and his family.

SEC source: 0001576280-21-000063 · wf-form4_162042007667326.xml · nonDerivative · entry 1

Kaul Samir · CIK 0001501915 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 18,648

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $139.63 to $140.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within each of the ranges set forth in this Form.

F3 · ownership.nature: Consists of securities held of record by a trust for the benefit of Mr. Kaul and his family.

SEC source: 0001576280-21-000060 · wf-form4_162033305173617.xml · derivative · entry 2

Bell Michael Brian · CIK 0001702824 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,234

Underlying: COMMON STOCK · 13,234 shares

Expires not disclosed

F2 · derivative.exercise_date: The restricted stock unit vests as to 25% of the shares subject to such award on January 15, 2022, and as to the remaining 75% of the shares subject to such award in substantially equal installments on each anniversary of January 15, 2022, during the three-year period thereafter.

F3 · derivative.expiration_date: Not applicable for Restricted Stock Units.

SEC source: 0001576280-21-000060 · wf-form4_162033305173617.xml · derivative · entry 1

Bell Michael Brian · CIK 0001702824 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,467

Underlying: COMMON STOCK · 26,467 shares

Expires 2031-05-03

F1 · derivative.exercise_date: The stock option vests as to 25% of the shares subject to such award on January 15, 2022, and as to the remaining 75% of the shares subject to such award in substantially equal installments on each monthly anniversary of January 15, 2022, during the three-year period thereafter.

SEC source: 0001576280-21-000045 · wf-form4_161947291051916.xml · nonDerivative · entry 2

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,827,763

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $160.00 to $160.05, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000047 · wf-form4_161964817694561.xml · derivative · entry 3

CLARK IAN T · CIK 0001336504 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,228

Underlying: COMMON STOCK · 538 shares

Expires 2027-11-29

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.

F2 · derivative.exercise_date: The stock option vests and becomes exercisable in equal monthly installments over 48 months commencing on October 25, 2017.

SEC source: 0001576280-21-000047 · wf-form4_161964817694561.xml · nonDerivative · entry 2

CLARK IAN T · CIK 0001336504 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,643

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001576280-21-000047 · wf-form4_161964817694561.xml · nonDerivative · entry 1

CLARK IAN T · CIK 0001336504 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,181

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: 0001576280-21-000045 · wf-form4_161947291051916.xml · nonDerivative · entry 1

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,828,514

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $160.00 to $160.53, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 11

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,835,902

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F12 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $153.13 to $153.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 10

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,837,275

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F11 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $152.13 to $153.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 9

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,861,154

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F10 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $151.13 to $152.12, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 8

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,879,304

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F9 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $150.12 to $151.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 7

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,884,860

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F8 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $148.824 to $149.79, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 6

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,888,760

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $147.77 to $148.76, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 5

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,892,260

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $151.885 to $152.44, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 4

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,894,428

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $150.83 to $151.77, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 3

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,902,105

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $149.80 to $150.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 2

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,905,857

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $148.75 to $149.70, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000044 · wf-form4_161913137014160.xml · nonDerivative · entry 1

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,906,556

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $147.63 to $148.57, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 17

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,908,267

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F18 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $156.58 to $157.14, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 16

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,908,934

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F17 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $155.58 to $156.53, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 15

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,913,528

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F16 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $154.58 to $155.57, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 14

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,916,429

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F15 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $153.50 to $154.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 13

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,918,242

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F14 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $152.50 to $153.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 12

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,940,522

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F13 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $151.50 to $152.495, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 11

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,949,077

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F12 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $150.50 to $151.49, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 10

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,959,199

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F11 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $159.60 to $159.61, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 9

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,959,299

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F10 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $158.49 to $159.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 8

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,992,392

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F9 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $157.48 to $158.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 7

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,003,548

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F8 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $156.48 to $157.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000042 · wf-form4_161887328705227.xml · nonDerivative · entry 1

Saia John G. · CIK 0001737840 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,826

F1 · shares: These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the restricted stock units. The amount retained by the Company was not in excess of the amount of the tax liability.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 6

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,010,322

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $160.975 to $161.35, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 5

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,012,022

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $159.95 to $160.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 4

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,039,213

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $158.945 to $159.91, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 3

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,103,877

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $157.945 to $158.94, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 2

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,147,722

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $156.94 to $157.925, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000043 · wf-form4_161887406296017.xml · nonDerivative · entry 1

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,161,187

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $155.94 to $156.905, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 16

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,167,429

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F17 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $158.00 to $158.115, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 15

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187,530

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F16 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $156.94 to $157.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 14

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,193,577

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F15 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $155.92 to $156.91, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 13

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,204,168

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F14 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $154.92 to $155.91, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 12

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,221,805

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F13 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $153.92 to $154.91, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 11

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,228,411

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F12 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $158.47 to $158.59, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 10

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,228,695

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F11 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $157.21 to $158.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 9

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,269,715

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F10 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $156.21 to $157.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 8

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,313,443

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F9 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $155.20 to $156.165, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 7

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,324,200

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F8 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $154.20 to $155.18, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000041 · wf-form4_161843809872109.xml · nonDerivative · entry 6

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,328,624

F1 · shares: These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $153.20 to $154.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001576280-21-000040 · wf-form4_161843795575355.xml · derivative · entry 7

MERESMAN STANLEY J · CIK 0001283102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,143

Underlying: COMMON STOCK · 4,934 shares

Expires 2028-05-09

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.

F7 · derivative.exercise_date: The stock option vests and becomes exercisable in equal monthly installments over 48 months commencing on May 10, 2018.