CALIX, INC — Director's Dealing 2026

Feb 17, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2026-02-12

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-12	Stock Option	$39.68	A	195000	Acquired	2035-01-31	Common Stock (195000)	Direct

Footnotes

F1: On January 31, 2025, the reporting person was granted a performance-based option to purchase 195,000 shares of common stock. On February 12, 2026, the Compensation Committee determined that the performance criteria governing 100% of the grant had been achieved. The option vests: (i) as to 25% of the shares of common stock subject to the stock option, on January 31, 2026; and (ii) as to the remaining 75% of the shares of common stock subject to the option, quarterly in equal installments over 36 months from January 31, 2026, subject to continued employment with Calix through the applicable vesting dates.