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Hefti Brenda

Disclosed activity across 1 company

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46126
SEC CIK
0002097579

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
EXELIXIS, INC.EXEL · Entity 3386SVP and General CounselMay 15, 2026May 19, 2026

Disclosed balances

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Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

EXELIXIS, INC.

Report date May 15, 2026 · Filed May 19, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect106,762 Last balance in matching sequence After 2026-05-18 transaction · row 2 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 1 · 2026-05-15 · Tax withholding · Disposed 6,411 · Balance 113,387

F1: 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.

F2: 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.

Row 2 · 2026-05-18 · Sale · Disposed 6,625 · Balance 106,762

F3: 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.

F4: 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.

F2: 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.

Common StockSEC Table I · non-derivativeIndirectBy 401(k)5,527 Reported balance Holding disclosure · report date 2026-05-15 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 5,527

F5: Represents shares of Common Stock under the Exelixis, Inc. 401(k) Plan, pursuant to a plan statement dated as of May 14, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

F2: 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.

F3: 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.

F4: 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.

F5: Represents shares of Common Stock under the Exelixis, Inc. 401(k) Plan, pursuant to a plan statement dated as of May 14, 2026.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
May 18, 2026 Filed May 19, 2026 22:58 UTC EXELIXIS, INC. EXEL · Entity 3386 SaleCommon Stock 6,625 $50.21 $332,641.25
Disclosure

SEC source: 0000939767-26-000065 · wk-form4_1779231509.xml · nonDerivative · entry 2

Hefti Brenda · CIK 0002097579 · SVP and General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 106,762

F3 · 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 19, 2025.

F4 · price: 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.

F2 · balance_after: 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.

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May 15, 2026 Filed May 19, 2026 22:58 UTC EXELIXIS, INC. EXEL · Entity 3386 Tax withholdingCommon Stock 6,411 $51.10 $327,602.10
Disclosure

SEC source: 0000939767-26-000065 · wk-form4_1779231509.xml · nonDerivative · entry 1

Hefti Brenda · CIK 0002097579 · SVP and General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,387

F1 · shares: 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.

F2 · balance_after: 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.

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February 26, 2026 Filed Mar 3, 2026 00:59 UTC EXELIXIS, INC. EXEL · Entity 3386 GrantCommon Stock 23,119 $0.00 $0.00
Disclosure

SEC source: 0000939767-26-000035 · wk-form4_1772499563.xml · nonDerivative · entry 1

Hefti Brenda · CIK 0002097579 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,631

F1 · date: 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.

F1 · shares: 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.

F2 · balance_after: 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.

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February 18, 2026 Filed Feb 19, 2026 01:48 UTC EXELIXIS, INC. EXEL · Entity 3386 SaleCommon Stock 18,669 $44.01 $821,622.69
Disclosure

SEC source: 0000939767-26-000022 · wk-form4_1771465726.xml · nonDerivative · entry 2

Hefti Brenda · CIK 0002097579 · SVP and General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 96,512

F3 · 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 19, 2025.

F4 · price: 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.

F2 · balance_after: 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 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.

Read SEC document
February 15, 2026 Filed Feb 19, 2026 01:48 UTC EXELIXIS, INC. EXEL · Entity 3386 Tax withholdingCommon Stock 5,430 $43.92 $238,485.60
Disclosure

SEC source: 0000939767-26-000022 · wk-form4_1771465726.xml · nonDerivative · entry 1

Hefti Brenda · CIK 0002097579 · SVP and General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,181

F1 · shares: 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 Committee certified that Exelixis, Inc. had achieved certain performance criteria on January 16, 2025.

F2 · balance_after: 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 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.

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December 03, 2025 Filed Dec 5, 2025 23:51 UTC EXELIXIS, INC. EXEL · Entity 3386 GrantCommon Stock 30,170 $0.00 $0.00
Disclosure

SEC source: 0000939767-25-000141 · wk-form4_1764978676.xml · nonDerivative · entry 1

Hefti Brenda · CIK 0002097579 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,611

F1 · date: 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.

F1 · shares: 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.

F2 · balance_after: Includes 110,745 shares of Common Stock that will be issued to the Reporting Person upon vesting of RSUs.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.