David Edward Johnson - 27 May 2026 Form 4 Insider Report for EXELIXIS, INC. (EXEL)

Reporting relationship: Director
Issuer ticker: EXEL
Reported as of: 27 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 May 2026, 16:30:16 UTC
Prior SEC filing: 26 Nov 2025
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ David Edward Johnson

Key filing fact

David Edward Johnson filed Form 4 for EXELIXIS, INC. (EXEL) on 29 May 2026.

Key facts

This page summarizes David Edward Johnson's Form 4 filing for EXELIXIS, INC. (EXEL).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 29 May 2026, 16:30.

Change

Previous filing in this sequence was filed on 26 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (2)

CIK 0001785557 Primary reporting owner

JOHNSON DAVID EDWARD

Relationship: Director
Address: 780 THIRD AVENUE, 30TH FLOOR, NEW YORK
Signature: /s/ David Edward Johnson
Signature date: 29 May 2026

CIK 0001727492

Caligan Partners LP

Relationship: Director, Other*
Address: 780 THIRD AVENUE, 30TH FLOOR, NEW YORK
Signature: Caligan Partners LP, By: /s/ David Johnson, Managing Partner
Signature date: 29 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

EXEL transaction Derivative

Option (right to buy)

Award

Transaction value
Shares: +19,133
Change %
Price: $0.000000^*
Shares after: 19,133
Date: 27 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 19,133
Exercise price: $50.03
Footnotes: F1, F2

EXEL transaction Derivative

Option (right to buy)

Award

Transaction value
Shares: +19,133
Change %
Price: $0.000000^*
Shares after: 19,133
Date: 27 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 19,133
Exercise price: $50.03
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Option granted to David Johnson ("Mr. Johnson") pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The option is exercisable immediately, subject to repurchase provisions, and will vest as to 100% of the shares subject to the option on the first anniversary of the date of grant, subject to Mr. Johnson's continuous service through such date.

Footnote F2

Mr. Johnson is deemed to hold the securities reported herein for the benefit of Caligan Partners Master Fund LP (the "Caligan Master Fund") and managed accounts to which Caligan Partners LP ("Caligan") serves as investment manager (the "Caligan Accounts", together with the Caligan Master Fund, the "Caligan Master Fund and Accounts"), and may, after vesting, if applicable, transfer the securities directly to the Caligan Master Fund and Accounts.

SEC remarks

Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Caligan may be deemed to be a director by deputization of the Issuer by virtue of the fact that Mr. Johnson currently serves on the Issuer's board of directors.