CALIX, INC — Director's Dealing 2025

Nov 3, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2025-10-30

Reporting Person: SINDELAR CORY (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-30	Common Stock	M	10000	$5.05	Acquired	86555	Direct
2025-10-30	Common Stock	S	10000	$65	Disposed	76555	Direct
2025-10-31	Common Stock	M	10000	$5.05	Acquired	86555	Direct
2025-10-31	Common Stock	S	10000	$70	Disposed	76555	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-30	Stock Option (right to buy)	$5.05	M	10000	Disposed	2027-10-01	Common Stock (10000)	Direct
2025-10-31	Stock Option (right to buy)	$5.05	M	10000	Disposed	2027-10-01	Common Stock (10000)	Direct

Footnotes

F1: 100% of the shares subject to the option were fully vested and exercisable on October 1, 2021.