CALIX, INC — Director's Dealing 2025

May 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2025-05-08

Reporting Person: Oosterman Wade (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-08	Common Stock	A	4689	—	Acquired	7189	Direct

Footnotes

F1: Represents an award of restricted stock pursuant to the Issuer non-employee director equity compensation policy, which will vest on the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

F2: In the Form 3 filed for the Reporting Person on August 12, 2024, the 2,500 shares held by the Reporting Person were mistakenly omitted. The shares currently held by the Reporting Person have been
increased by 2,500 shares in this Form 4 to correct this error.