EXEL

SEC source: 0000939767-19-000184 · wf-form4_157083960451411.xml · nonDerivative · entry 1

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,209

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 23, 2018.

F2 · balance_after: Includes 51,933 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000179 · wf-form4_157023373638520.xml · derivative · entry 5

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,409 shares

Expires 2019-12-08

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 option, representing the right to purchase a total of 300,000 shares of Exelixis, Inc. common stock, became fully exercisable on December 9, 2013.

SEC source: 0000939767-19-000179 · wf-form4_157023373638520.xml · nonDerivative · entry 2

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,149

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2019.

F3 · kind: The shares were sold to cover the exercise price, tax withholding obligation, broker commission and fees for the exercised stock options.

F4 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $17.47 to $17.95. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 4 to this Form 4.

SEC source: 0000939767-19-000179 · wf-form4_157023373638520.xml · nonDerivative · entry 1

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,513

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 · balance_after: Includes 102,394 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000178 · wf-form4_157015097510585.xml · derivative · entry 4

Schwab Gisela · CIK 0001213140 · Pres, Prod Dev & Med Aff & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires 2020-09-17

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.

F5 · derivative.exercise_date: The option, representing the right to purchase a total of 160,000 shares of Exelixis, Inc. common stock, became exercisable as to 50% of such stock option on July 20, 2015 upon the satisfaction of one of the two performance goals set by the Compensation Committee. On December 10, 2014, the Compensation Committee determined that the second performance goal for the option had not, and would not, be achieved, resulting in the Reporting Person forfeiting the remaining 50% of such stock option.

SEC source: 0000939767-19-000178 · wf-form4_157015097510585.xml · nonDerivative · entry 2

Schwab Gisela · CIK 0001213140 · Pres, Prod Dev & Med Aff & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,331

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 9, 2019.

F3 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $17.63 to $18.02. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 3 to this Form 4.

SEC source: 0000939767-19-000178 · wf-form4_157015097510585.xml · nonDerivative · entry 1

Schwab Gisela · CIK 0001213140 · Pres, Prod Dev & Med Aff & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 354,331

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 · balance_after: Includes 71,448 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000174 · wf-form4_156902433469283.xml · derivative · entry 5

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,409

Underlying: Common Stock · 50,000 shares

Expires 2019-12-08

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 option, representing the right to purchase a total of 300,00 shares of Exelixis, Inc. common stock, became fully exercisable on December 9, 2013.

SEC source: 0000939767-19-000174 · wf-form4_156902433469283.xml · nonDerivative · entry 2

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,104

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2019.

F3 · kind: The shares were sold to cover the exercise price, tax withholding obligation, broker commission and fees for the exercised stock options.

F4 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $19.05 to $19.38. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 4 to this Form 4.

SEC source: 0000939767-19-000174 · wf-form4_156902433469283.xml · nonDerivative · entry 1

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,331

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 · balance_after: Includes 102,394 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000173 · wf-form4_156842214746790.xml · nonDerivative · entry 2

Hessekiel Jeffrey · CIK 0001599803 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 238,330

F5 · shares: Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of certain restricted stock units earned on September 12, 2019.

SEC source: 0000939767-19-000173 · wf-form4_156842214746790.xml · nonDerivative · entry 1

Hessekiel Jeffrey · CIK 0001599803 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,817

F1 · security: Represents shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2 · date: On September 10, 2018, the Reporting Person was granted a performance-based restricted stock unit ("PSU") award of 5,997 shares of common stock under the Exelixis, Inc. 2017 Equity Incentive Plan. Vesting of the PSU award is tied to performance goals set by the Compensation Committee (the "Committee") as follows: (i) 50% of the original number of shares subject to the award will vest upon the Compensation Committee's certification that Exelixis, Inc. has achieved a quarterly net product revenue target; and (ii) 50% of the original number of shares subject to the award will vest on the first quarterly PSU vesting date (i.e. February 15th, May 15th, August 15th and November 15th) following the one-year anniversary of the Committee's certification.

F3 · shares: On September 12, 2019, the Committee convened to determine that the quarterly net product revenue target had been achieved during the three months ended June 28, 2019, resulting in the immediate vesting of 50% of the PSU award, and the remaining 50% will vest on November 15, 2020, subject to the Reporting Person's continuous service through that date.

F4 · balance_after: Includes 48,623 shares of Exelixis, Inc. common stock that will be issued to the reporting person upon vesting of restricted stock units.

SEC source: 0000939767-19-000168 · wf-form4_156842001268353.xml · nonDerivative · entry 2

Schwab Gisela · CIK 0001213140 · Pres, Prod Dev & Med Aff & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,331

F5 · shares: Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of certain restricted stock units earned on September 12, 2019.

SEC source: 0000939767-19-000168 · wf-form4_156842001268353.xml · nonDerivative · entry 1

Schwab Gisela · CIK 0001213140 · Pres, Prod Dev & Med Aff & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,908

F1 · security: Represents shares of Exelixis, Inc. common stock issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2 · date: On September 10, 2018, the Reporting Person was granted a performance-based restricted stock unit ("PSU") award of 10,395 shares of common stock under the Exelixis, Inc. 2017 Equity Incentive Plan. Vesting of the PSU award is tied to performance goals set by the Compensation Committee (the "Committee") as follows: (i) 50% of the original number of shares subject to the award will vest upon the Compensation Committee's certification that Exelixis, Inc. has achieved a quarterly net product revenue target; and (ii) 50% of the original number of shares subject to the award will vest on the first quarterly PSU vesting date (i.e. February 15th, May 15th, August 15th and November 15th) following the one-year anniversary of the Committee's certification.

F3 · shares: On September 12, 2019, the Committee convened to determine that the quarterly net product revenue target had been achieved during the three months ended June 28, 2019, resulting in the immediate vesting of 50% of the PSU award, and the remaining 50% will vest on November 15, 2020, subject to the Reporting Person's continuous service through that date.

F4 · balance_after: Includes 71,448 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000172 · wf-form4_156842202463551.xml · nonDerivative · entry 2

Lamb Peter · CIK 0001387306 · EVP, Scientific Strategy & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,611

F5 · shares: Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of certain restricted stock units earned on September 12, 2019.

SEC source: 0000939767-19-000172 · wf-form4_156842202463551.xml · nonDerivative · entry 1

Lamb Peter · CIK 0001387306 · EVP, Scientific Strategy & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,192

F1 · security: Represents shares of Exelixis, Inc. common stock issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2 · date: On September 10, 2018, the Reporting Person was granted a performance-based restricted stock unit ("PSU") award of 9,995 shares of common stock under the Exelixis, Inc. 2017 Equity Incentive Plan. Vesting of the PSU award is tied to performance goals set by the Compensation Committee (the "Committee") as follows: (i) 50% of the original number of shares subject to the award will vest upon the Compensation Committee's certification that Exelixis, Inc. has achieved a quarterly net product revenue target; and (ii) 50% of the original number of shares subject to the award will vest on the first quarterly PSU vesting date (i.e. February 15th, May 15th, August 15th and November 15th) following the one-year anniversary of the Committee's certification.

F3 · shares: On September 12, 2019, the Committee convened to determine that the quarterly net product revenue target had been achieved during the three months ended June 28, 2019, resulting in the immediate vesting of 50% of the PSU award, and the remaining 50% will vest on November 15, 2020, subject to the Reporting Person's continuous service through that date.

F4 · balance_after: Includes 54,372 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000171 · wf-form4_156842190477356.xml · nonDerivative · entry 2

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,331

F5 · shares: Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of certain restricted stock units earned on September 12, 2019.

SEC source: 0000939767-19-000171 · wf-form4_156842190477356.xml · nonDerivative · entry 1

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,857

F1 · security: Represents shares of Exelixis, Inc. common stock issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2 · date: On September 10, 2018, the Reporting Person was granted a performance-based restricted stock unit ("PSU") award of 24,788 shares of common stock under the Exelixis, Inc. 2017 Equity Incentive Plan. Vesting of the PSU award is tied to performance goals set by the Compensation Committee (the "Committee") as follows: (i) 50% of the original number of shares subject to the award will vest upon the Compensation Committee's certification that Exelixis, Inc. has achieved a quarterly net product revenue target; and (ii) 50% of the original number of shares subject to the award will vest on the first quarterly PSU vesting date (i.e. February 15th, May 15th, August 15th and November 15th) following the one-year anniversary of the Committee's certification.

F3 · shares: On September 12, 2019, the Committee convened to determine that the quarterly net product revenue target had been achieved during the three months ended June 28, 2019, resulting in the immediate vesting of 50% of the PSU award, and the remaining 50% will vest on November 15, 2020, subject to the Reporting Person's continuous service through that date.

F4 · balance_after: Includes 102,394 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000170 · wf-form4_156842174716699.xml · nonDerivative · entry 2

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,512

F5 · shares: Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of certain restricted stock units earned on September 12, 2019.

SEC source: 0000939767-19-000170 · wf-form4_156842174716699.xml · nonDerivative · entry 1

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,850

F1 · security: Represents shares of Exelixis, Inc. common stock issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2 · date: On September 10, 2018, the Reporting Person was granted a performance-based restricted stock unit ("PSU") award of 5,397 shares of common stock under the Exelixis, Inc. 2017 Equity Incentive Plan. Vesting of the PSU award is tied to performance goals set by the Compensation Committee (the "Committee") as follows: (i) 50% of the original number of shares subject to the award will vest upon the Compensation Committee's certification that Exelixis, Inc. has achieved a quarterly net product revenue target; and (ii) 50% of the original number of shares subject to the award will vest on the first quarterly PSU vesting date (i.e. February 15th, May 15th, August 15th and November 15th) following the one-year anniversary of the Committee's certification.

F3 · shares: On September 12, 2019, the Committee convened to determine that the quarterly net product revenue target had been achieved during the three months ended June 28, 2019, resulting in the immediate vesting of 50% of the PSU award, and the remaining 50% will vest on November 15, 2020, subject to the Reporting Person's continuous service through that date.

F4 · balance_after: Includes 51,933 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000169 · wf-form4_156842054884978.xml · nonDerivative · entry 2

Senner Christopher J. · CIK 0001648367 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,020

F5 · shares: Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of certain restricted stock units earned on September 12, 2019.

SEC source: 0000939767-19-000169 · wf-form4_156842054884978.xml · nonDerivative · entry 1

Senner Christopher J. · CIK 0001648367 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,757

F1 · security: Represents shares of Exelixis, Inc. common stock issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2 · date: On September 10, 2018, the Reporting Person was granted a performance-based restricted stock unit ("PSU") award of 10,395 shares of common stock under the Exelixis, Inc. 2017 Equity Incentive Plan. Vesting of the PSU award is tied to performance goals set by the Compensation Committee (the "Committee") as follows: (i) 50% of the original number of shares subject to the award will vest upon the Compensation Committee's certification that Exelixis, Inc. has achieved a quarterly net product revenue target; and (ii) 50% of the original number of shares subject to the award will vest on the first quarterly PSU vesting date (i.e. February 15th, May 15th, August 15th and November 15th) following the one-year anniversary of the Committee's certification.

F3 · shares: On September 12, 2019, the Committee convened to determine that the quarterly net product revenue target had been achieved during the three months ended June 28, 2019, resulting in the immediate vesting of 50% of the PSU award, and the remaining 50% will vest on November 15, 2020, subject to the Reporting Person's continuous service through that date.

F4 · balance_after: Includes 62,073 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000167 · wf-form4_156833324489138.xml · nonDerivative · entry 1

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,453

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 23, 2018.

F2 · balance_after: Includes 49,234 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000164 · wf-form4_156626027625737.xml · derivative · entry 3

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2020-05-22

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

F3 · derivative.exercise_date: The option, representing the right to purchase a total of 30,000 shares of Exelixis, Inc. common stock, became fully exercisable on May 23, 2013.

SEC source: 0000939767-19-000164 · wf-form4_156626027625737.xml · nonDerivative · entry 2

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,792

F2 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $20.50 to $20.51. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 2 to this Form 4.

SEC source: 0000939767-19-000164 · wf-form4_156626027625737.xml · nonDerivative · entry 1

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,792

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 · balance_after: Includes 10,317 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000165 · wf-form4_156634797668675.xml · derivative · entry 4

Hessekiel Jeffrey · CIK 0001599803 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 75,000 shares

Expires 2021-09-18

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

F4 · derivative.exercise_date: The option, representing the right to purchase a total of 400,000 shares of Exelixis, Inc. common stock, became fully exercisable on April 28, 2016.

SEC source: 0000939767-19-000165 · wf-form4_156634797668675.xml · nonDerivative · entry 2

Hessekiel Jeffrey · CIK 0001599803 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,820

F2 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $21.00 to $21.20. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 2 to this Form 4.

SEC source: 0000939767-19-000165 · wf-form4_156634797668675.xml · nonDerivative · entry 1

Hessekiel Jeffrey · CIK 0001599803 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 308,820

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 · balance_after: Includes 45,624 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000163 · wf-form4_156600011369863.xml · derivative · entry 5

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,409

Underlying: Common Stock · 50,000 shares

Expires 2019-12-08

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 option, representing the right to purchase a total of 300,000 shares of Exelixis, Inc. common stock, became fully exercisable on December 9, 2013.

SEC source: 0000939767-19-000163 · wf-form4_156600011369863.xml · nonDerivative · entry 2

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,069

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2019.

F3 · kind: The shares were sold to cover the exercise price, tax withholding obligation, broker commission and fees for the exercised stock options.

F4 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $20.00 to $20.29. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 4 to this Form 4.

SEC source: 0000939767-19-000163 · wf-form4_156600011369863.xml · nonDerivative · entry 1

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,109

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 · balance_after: Includes 90,000 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000162 · wf-form4_156582722849732.xml · nonDerivative · entry 1

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,453

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 23, 2018.

F2 · balance_after: Includes 49,234 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000161 · wf-form4_156539491810179.xml · derivative · entry 5

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2020-05-18

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

F4 · derivative.exercise_date: The option, representing the right to purchase a total of 15,000 shares of Exelixis, Inc. common stock, became fully exercisable on May 19, 2010.

SEC source: 0000939767-19-000161 · wf-form4_156539491810179.xml · derivative · entry 4

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 5,000 shares

Expires 2020-05-22

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

F3 · derivative.exercise_date: The option, representing the right to purchase a total of 30,000 shares of Exelixis, Inc. common stock, became fully exercisable on May 23, 2013.

SEC source: 0000939767-19-000161 · wf-form4_156539491810179.xml · nonDerivative · entry 3

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,792

F2 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $20.59 to $20.65. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 2 to this Form 4.

SEC source: 0000939767-19-000161 · wf-form4_156539491810179.xml · nonDerivative · entry 2

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,792

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: 0000939767-19-000161 · wf-form4_156539491810179.xml · nonDerivative · entry 1

POSTE GEORGE · CIK 0001180770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,792

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 · balance_after: Includes 10,317 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000160 · wf-form4_156530961327641.xml · derivative · entry 5

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 25,000 shares

Expires 2021-09-18

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

F4 · derivative.exercise_date: The option, representing the right to purchase a total of 120,000 shares of Exelixis, Inc. common stock, became fully exercisable on April 28, 2016.

SEC source: 0000939767-19-000160 · wf-form4_156530961327641.xml · nonDerivative · entry 2

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,453

F2 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $20.01 to $20.07. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 2 to this Form 4.

SEC source: 0000939767-19-000160 · wf-form4_156530961327641.xml · nonDerivative · entry 1

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,453

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 · balance_after: Includes 49,234 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000159 · wf-form4_156479213345382.xml · derivative · entry 5

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,409

Underlying: Common Stock · 50,000 shares

Expires 2019-12-08

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 option, representing the right to purchase a total of 300,000 shares of Exelixis, Inc. common stock, became fully exercisable on December 9, 2013.

SEC source: 0000939767-19-000159 · wf-form4_156479213345382.xml · nonDerivative · entry 2

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,109

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2019.

F3 · kind: The shares were sold to cover the exercise price, tax withholding obligations, broker commissions and fees for the exercised stock options.

F4 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $20.08 to $20.55. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 4 to this Form 4.

SEC source: 0000939767-19-000159 · wf-form4_156479213345382.xml · nonDerivative · entry 1

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,149

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 · balance_after: Includes 90,000 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000158 · wf-form4_156479204190426.xml · nonDerivative · entry 2

SCANGOS GEORGE A · CIK 0001202102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,128,031

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 24, 2018.

F3 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $20.88 to $21.59. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 3 to this Form 4.

SEC source: 0000939767-19-000158 · wf-form4_156479204190426.xml · nonDerivative · entry 1

SCANGOS GEORGE A · CIK 0001202102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,134,081

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 24, 2018.

F2 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $19.85 to $20.76. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 2 to this Form 4.

SEC source: 0000939767-19-000148 · wf-form4_156358103780148.xml · derivative · entry 5

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,409

Underlying: Common Stock · 50,000 shares

Expires 2019-12-08

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 option, representing the right to purchase a total of 300,000 shares of Exelixis, Inc. common stock, became fully exercisable on December 9, 2013.

SEC source: 0000939767-19-000148 · wf-form4_156358103780148.xml · nonDerivative · entry 2

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,149

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2019.

F3 · kind: The shares were sold to cover the exercise price, tax withholding obligations, broker commissions and fees for the exercised stock options.

F4 · price: Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $21.26 to $21.49. Reporting Person undertakes to provide Exelixis, Inc., any security holder of Exelixis, Inc., 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 footnote 4 to this Form 4.

SEC source: 0000939767-19-000148 · wf-form4_156358103780148.xml · nonDerivative · entry 1

MORRISSEY MICHAEL · CIK 0001202096 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,870

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 · balance_after: Includes 90,000 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

SEC source: 0000939767-19-000147 · wf-form4_156297560202549.xml · nonDerivative · entry 1

Haley Patrick J. · CIK 0001692954 · Sr. Vice President, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,453

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 23, 2018.

F2 · balance_after: Includes 49,234 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.