CALIX, INC — Director's Dealing 2025

Sep 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2025-09-10

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-10	Common Stock	M	150000	$7.84	Acquired	166117	Direct
2025-09-10	Common Stock	S	150000	$62	Disposed	16117	Direct
2025-09-10	Common Stock	M	7990	$7.84	Acquired	24107	Direct
2025-09-10	Common Stock	S	7990	$63	Disposed	16117	Direct
2025-09-11	Common Stock	M	18010	$7.84	Acquired	34127	Direct
2025-09-11	Common Stock	S	18010	$63	Disposed	16117	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-10	Stock Option (right to buy)	$7.84	M	150000	Disposed	2029-11-27	Common Stock (150000)	Direct
2025-09-10	Stock Option (right to buy)	$7.84	M	7990	Disposed	2029-11-27	Common Stock (7990)	Direct
2025-09-11	Stock Option (right to buy)	$7.84	M	18010	Disposed	2029-11-27	Common Stock (18010)	Direct

Footnotes

F1: 100% of the shares subject to the option were fully vested and exercisable on November 27, 2023.