TROM JEFF D.

SEC source: 0001445305-21-000097 · wf-form4_162491179538406.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 116,832

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $112.12 to $113.10. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000093 · wf-form4_162439380307708.xml · derivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 778,645

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

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.

F1 · security: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001445305-21-000093 · wf-form4_162439380307708.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 125,000

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: 0001445305-21-000076 · wf-form4_162214948717385.xml · nonDerivative · entry 4

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 25,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

SEC source: 0001445305-21-000076 · wf-form4_162214948717385.xml · nonDerivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 25,100

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F4 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $94.69 to $95.54. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000076 · wf-form4_162214948717385.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 26,117

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F3 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $93.60 to $94.57. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000076 · wf-form4_162214948717385.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 34,737

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $92.60 to $93.59. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000067 · wf-form4_161955499600678.xml · derivative · entry 7

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By irrevocable trust

Disclosed balance after: 57,000

Underlying: Class A Common Stock · 57,000 shares

Expires not disclosed

F4 · security: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F5 · shares: On April 23, 2021, the reporting person contributed 57,000 shares of indirectly owned Class B Common Stock to separate irrevocable trusts for the benefit of each of his three children, who share the reporting person's household. The reporting person's sister is the trustee of each irrevocable trust.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001445305-21-000067 · wf-form4_161955499600678.xml · derivative · entry 6

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By irrevocable trust

Disclosed balance after: 57,000

Underlying: Class A Common Stock · 57,000 shares

Expires not disclosed

F4 · security: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F5 · shares: On April 23, 2021, the reporting person contributed 57,000 shares of indirectly owned Class B Common Stock to separate irrevocable trusts for the benefit of each of his three children, who share the reporting person's household. The reporting person's sister is the trustee of each irrevocable trust.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001445305-21-000067 · wf-form4_161955499600678.xml · derivative · entry 5

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By irrevocable trust

Disclosed balance after: 57,000

Underlying: Class A Common Stock · 57,000 shares

Expires not disclosed

F4 · security: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F5 · shares: On April 23, 2021, the reporting person contributed 57,000 shares of indirectly owned Class B Common Stock to separate irrevocable trusts for the benefit of each of his three children, who share the reporting person's household. The reporting person's sister is the trustee of each irrevocable trust.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001445305-21-000067 · wf-form4_161955499600678.xml · derivative · entry 4

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 878,645

Underlying: Class A Common Stock · 171,000 shares

Expires not disclosed

F4 · security: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F5 · shares: On April 23, 2021, the reporting person contributed 57,000 shares of indirectly owned Class B Common Stock to separate irrevocable trusts for the benefit of each of his three children, who share the reporting person's household. The reporting person's sister is the trustee of each irrevocable trust.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001445305-21-000067 · wf-form4_161955499600678.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 50,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F3 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $96.65 to $96.78. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000067 · wf-form4_161955499600678.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 50,805

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $95.63 to $96.62. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000056 · wf-form4_161678995992108.xml · nonDerivative · entry 4

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 75,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F5 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $89.44 to $89.88. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000056 · wf-form4_161678995992108.xml · nonDerivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 77,450

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F4 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $88.43 to $89.42. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000056 · wf-form4_161678995992108.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 90,187

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F3 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $87.43 to $88.42. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000056 · wf-form4_161678995992108.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 97,300

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $86.36 to $87.31. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000052 · wf-form4_161592648720091.xml · derivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 1,049,645

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

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.

F1 · security: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001445305-21-000052 · wf-form4_161592648720091.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 100,000

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: 0001445305-21-000039 · wf-form4_161437469125275.xml · derivative · entry 21

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,592

Underlying: Class A Common Stock · 18,608 shares

Expires 2024-08-11

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.

F18 · security: Granted pursuant to 2009 Unit Incentive Plan.

F8 · kind: The stock option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2020.

F19 · derivative.exercise_date: Vests as to 25% of the shares on the first anniversary of the grant date and as to 6.25% of the shares at the end of each three-month period thereafter.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 16

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,976

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F14 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $106.72 to $106.75. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 15

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,376

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F13 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $105.53 to $106.13. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 14

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,653

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F7 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $104.01 to $104.86. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 13

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 272,053

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F12 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $102.38 to $103.13. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 12

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 275,341

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F11 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $101.38 to $102.37. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 11

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,478

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F10 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $100.37 to $101.31. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 10

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,784

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F9 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $99.37 to $100.36. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 9

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 289,584

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.

F8 · kind: The stock option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2020.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 8

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 0

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 7

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 61

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F7 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $104.01 to $104.86. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 6

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 361

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F6 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $102.42 to $103.03. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 5

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 1,361

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F5 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $101.41 to $102.38. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 4

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 3,261

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F4 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $100.36 to $101.31. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 5,598

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 300,000 shares of stock options and Class A Common Stock through January 2022.

F3 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $99.34 to $100.25. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 6,392

F1 · kind: Represents a gift of securities by the reporting person to a revocable living trust.

SEC source: 0001445305-21-000039 · wf-form4_161437469125275.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,976

F1 · kind: Represents a gift of securities by the reporting person to a revocable living trust.

SEC source: 0001445305-21-000026 · wf-form4_161247774003518.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,368

F1 · kind: Shares delivered to the issuer for payment of withholding taxes due upon the vesting of restricted stock units previously granted.

SEC source: 0001445305-21-000010 · wf-form4_161239204152885.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,674

F3 · kind: Shares delivered to the issuer for payment of withholding taxes due upon the vesting of restricted stock units previously granted.

SEC source: 0001445305-21-000010 · wf-form4_161239204152885.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,880

F1 · kind: Grant of restricted stock units pursuant to the 2014 Equity Incentive Plan.

F2 · shares: Vests in three equal annual installments commencing on the first anniversary of the grant date.

SEC source: 0001445305-20-000146 · wf-form4_160927675657449.xml · nonDerivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

SEC source: 0001445305-20-000146 · wf-form4_160927675657449.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 270

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F3 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $92.03 to $92.41. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-20-000146 · wf-form4_160927675657449.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 5,348

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $91.03 to $92.01. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-20-000135 · wf-form4_160650016773633.xml · nonDerivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 25,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F4 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $75.96 to $76.22. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-20-000135 · wf-form4_160650016773633.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 29,351

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F3 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $74.96 to $75.95. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-20-000135 · wf-form4_160650016773633.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 43,265

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2020 in accordance with Rule 10b5-1 of Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $73.96 to $74.92. For all transactions reported in this Form 4 utilizing a weighted-average price, the Reporting Person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001014008-20-000006 · wf-form4_160469756707727.xml · derivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 1,149,645

Underlying: Class A Common Stock · 50,000 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).

SEC source: 0001014008-20-000006 · wf-form4_160469756707727.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 50,000

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: 0001445305-20-000116 · wf-form4_160391551485132.xml · nonDerivative · entry 3

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 21, 2020 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F5 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $56.38 to $56.39. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-20-000116 · wf-form4_160391551485132.xml · nonDerivative · entry 2

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 211

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 21, 2020 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F4 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $55.23 to $55.91. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001445305-20-000116 · wf-form4_160391551485132.xml · nonDerivative · entry 1

TROM JEFF D. · CIK 0001013632 · Executive VP & CTO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By revocable trust

Disclosed balance after: 2,894

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 21, 2020 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of up to 100,000 shares of Class A Common Stock through December 2020.

F2 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $54.14 to $54.98. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

F3 · ownership.direct: Due to an administrative error, 50,000 shares were reported on September 3, 2020 as directly held instead of indirectly held through a revocable trust. 25,000 of those shares were subsequently sold on September 25, 2020.