CALIX, INC — Director's Dealing 2025

Jun 3, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2025-06-02

Reporting Person: Weening Michael (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-02	Common Stock	M	80000	$6.38	Acquired	95812	Direct
2025-06-02	Common Stock	M	20000	$5.95	Acquired	115812	Direct
2025-06-02	Common Stock	S	100000	$46.5871	Disposed	15812	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-02	Stock Option (right to buy)	$6.38	M	80000	Disposed	2026-06-27	Common Stock (80000)	Direct
2025-06-02	Stock Option (right to buy)	$5.95	M	20000	Disposed	2027-12-29	Common Stock (20000)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $46.025 to $47.005, inclusive. Full information on the number of shares sold at each sale price is available upon request.

F2: 100% of the shares subject to the option were fully vested and exercisable on June 27, 2020.

F3: 100% of the shares subject to the option were fully vested and exercisable on January 1, 2021.