{"transactions":[{"id":773209,"issuer":{"id":3386,"kind":"organization","name":"EXELIXIS, INC."},"owners":[{"id":46126,"kind":"person","name":"Hefti Brenda","position":1,"cik":"0002097579","reported_name":"Hefti Brenda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2026-05-19T22:58:31.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":6625,"price":50.21,"value":332641.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price. The shares of Common Stock were sold in multiple transactions at prices ranging from $49.84 to $50.51. 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 4 to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 106,039 shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon vesting of RSUs, the performance-based restricted stock unit award granted to the Reporting Person on March 31, 2025 (\"One-Time Award PSUs\") and 167 shares of Common Stock acquired on April 30, 2026, pursuant to the Exelixis, Inc. 2000 Employee Stock Purchase Plan. Each RSU is the economic equivalent of one share of Common Stock and each One-Time Award PSU represents a contingent right to receive one share of Common Stock."}],"balance_after":106762,"source":{"system":"sec-edgar","filing":"0000939767-26-000065","document":"wk-form4_1779231509.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/939767/000093976726000065/wk-form4_1779231509.xml","form_type":"4"}},{"id":773208,"issuer":{"id":3386,"kind":"organization","name":"EXELIXIS, INC."},"owners":[{"id":46126,"kind":"person","name":"Hefti Brenda","position":1,"cik":"0002097579","reported_name":"Hefti Brenda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2026-05-19T22:58:31.000Z","date":"2026-05-15","kind":"tax_withholding","planned":true,"acquired":false,"shares":6411,"price":51.1,"value":327602.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of restricted stock units (\"RSUs\") awarded on March 4, 2022, February 29, 2024, and February 26, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 106,039 shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon vesting of RSUs, the performance-based restricted stock unit award granted to the Reporting Person on March 31, 2025 (\"One-Time Award PSUs\") and 167 shares of Common Stock acquired on April 30, 2026, pursuant to the Exelixis, Inc. 2000 Employee Stock Purchase Plan. Each RSU is the economic equivalent of one share of Common Stock and each One-Time Award PSU represents a contingent right to receive one share of Common Stock."}],"balance_after":113387,"source":{"system":"sec-edgar","filing":"0000939767-26-000065","document":"wk-form4_1779231509.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/939767/000093976726000065/wk-form4_1779231509.xml","form_type":"4"}},{"id":875309,"issuer":{"id":3386,"kind":"organization","name":"EXELIXIS, INC."},"owners":[{"id":46126,"kind":"person","name":"Hefti Brenda","position":1,"cik":"0002097579","reported_name":"Hefti Brenda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2026-03-03T00:59:26.000Z","date":"2026-02-26","kind":"grant","planned":false,"acquired":true,"shares":23119,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Represents shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon the vesting of restricted stock units (\"RSUs\"). The RSUs were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The RSUs will vest as to 1/4th of the original number of shares subject to the RSU award on May 15, 2027 and thereafter as to 1/4th of the original number of shares subject to the RSU award on each May 15th until fully vested."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon the vesting of restricted stock units (\"RSUs\"). The RSUs were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The RSUs will vest as to 1/4th of the original number of shares subject to the RSU award on May 15, 2027 and thereafter as to 1/4th of the original number of shares subject to the RSU award on each May 15th until fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 119,075 shares of Common Stock that will be issued to the Reporting Person upon vesting of RSUs and the performance-based restricted stock unit award granted to the Reporting Person on March 31, 2025 (\"One-Time Award PSUs\"). Each RSU is the economic equivalent of one share of Common Stock and each One-Time Award PSU represents a contingent right to receive one share of Common Stock."}],"balance_after":119631,"source":{"system":"sec-edgar","filing":"0000939767-26-000035","document":"wk-form4_1772499563.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/939767/000093976726000035/wk-form4_1772499563.xml","form_type":"4"}},{"id":898432,"issuer":{"id":3386,"kind":"organization","name":"EXELIXIS, INC."},"owners":[{"id":46126,"kind":"person","name":"Hefti Brenda","position":1,"cik":"0002097579","reported_name":"Hefti Brenda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2026-02-19T01:48:49.000Z","date":"2026-02-18","kind":"sale","planned":true,"acquired":false,"shares":18669,"price":44.01,"value":821622.69,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $43.32 to $44.49. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 95,956 shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon vesting of restricted stock units (\"RSUs\") and PSUs granted to the\nReporting Person on March 31, 2025 (\"One-Time Award PSUs\"). Each RSU is the economic equivalent of one share of Common Stock and each One-Time Award PSU represents a contingent right to\nreceive one share of Common Stock."}],"balance_after":96512,"source":{"system":"sec-edgar","filing":"0000939767-26-000022","document":"wk-form4_1771465726.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/939767/000093976726000022/wk-form4_1771465726.xml","form_type":"4"}},{"id":898431,"issuer":{"id":3386,"kind":"organization","name":"EXELIXIS, INC."},"owners":[{"id":46126,"kind":"person","name":"Hefti Brenda","position":1,"cik":"0002097579","reported_name":"Hefti Brenda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2026-02-19T01:48:49.000Z","date":"2026-02-15","kind":"tax_withholding","planned":true,"acquired":false,"shares":5430,"price":43.92,"value":238485.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of performance-based restricted stock units awarded on March 4, 2022, for which the Compensation\nCommittee certified that Exelixis, Inc. had achieved certain performance criteria on January 16, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 95,956 shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon vesting of restricted stock units (\"RSUs\") and PSUs granted to the\nReporting Person on March 31, 2025 (\"One-Time Award PSUs\"). Each RSU is the economic equivalent of one share of Common Stock and each One-Time Award PSU represents a contingent right to\nreceive one share of Common Stock."}],"balance_after":115181,"source":{"system":"sec-edgar","filing":"0000939767-26-000022","document":"wk-form4_1771465726.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/939767/000093976726000022/wk-form4_1771465726.xml","form_type":"4"}},{"id":979628,"issuer":{"id":3386,"kind":"organization","name":"EXELIXIS, INC."},"owners":[{"id":46126,"kind":"person","name":"Hefti Brenda","position":1,"cik":"0002097579","reported_name":"Hefti Brenda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2025-12-05T23:51:19.000Z","date":"2025-12-03","kind":"grant","planned":false,"acquired":true,"shares":30170,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Represents shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon the vesting of restricted stock units (\"RSUs\"). The RSUs were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The RSUs will vest as to 1/4th of the original number of shares subject to the RSU award on February 15, 2027 and thereafter as to 1/4th of the original number of shares subject to the RSU award on each February 15th until fully vested."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Exelixis, Inc. common stock (\"Common Stock\") that will be issued to the Reporting Person upon the vesting of restricted stock units (\"RSUs\"). The RSUs were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The RSUs will vest as to 1/4th of the original number of shares subject to the RSU award on February 15, 2027 and thereafter as to 1/4th of the original number of shares subject to the RSU award on each February 15th until fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 110,745 shares of Common Stock that will be issued to the Reporting Person upon vesting of RSUs."}],"balance_after":120611,"source":{"system":"sec-edgar","filing":"0000939767-25-000141","document":"wk-form4_1764978676.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/939767/000093976725000141/wk-form4_1764978676.xml","form_type":"4"}}]}