CALIX, INC — Director's Dealing 2025

Aug 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2025-08-04

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-04	Common Stock	M	74000	$8.03	Acquired	89812	Direct
2025-08-04	Common Stock	S	74000	$57	Disposed	15812	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-04	Stock Option (right to buy)	$8.03	M	74000	Disposed	2029-02-14	Common Stock (74000)	Direct

Footnotes

F1: 100% of the shares subject to the option were fully vested and exercisable on February 14, 2023.