CALIX, INC — Director's Dealing 2025

Nov 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2025-11-10

Reporting Person: Eleniak Shane Todd Marshall (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-10	Common Stock	M	24000	$8.03	Acquired	24000	Direct
2025-11-10	Common Stock	S	24000	$64.135	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-10	Stock Option (right to buy)	$8.03	M	24000	Disposed	2029-02-14	Common Stock (24000)	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 $64.00 to $64.295, 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 February 14, 2023.