Company: CALX
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001406666-25-000011
Chunk: 24

Company: CALIX, INC
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 24
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7 Orchard Parkway, San Jose, California 95134 or corporate.secretary@calix.com.

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### SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
The following table presents information as to the beneficial ownership of our common stock as of March 11, 2025 for:

• each stockholder known by us to be the beneficial owner of more than 5% of our common stock;

• each of our directors and director nominees;

• each NEO as set forth in the Summary Compensation Table in this Proxy Statement; and

• all current executive officers and directors as a group.

Beneficial ownership is determined in accordance with the rules of the SEC and generally includes voting or investment power with respect to securities. Unless otherwise indicated below, to our knowledge, the persons and entities named in the table have sole voting and sole investment power with respect to all shares beneficially owned, subject to community property laws where applicable. Shares of our common stock subject to options that are currently exercisable or exercisable within 60 days of March 11, 2025 and restricted stock units (“RSUs”) that vest within 60 days of March 11, 2025, are deemed to be outstanding and to be beneficially owned by the person holding the options or RSUs for the purpose of computing the percentage ownership of that person, but are not treated as outstanding for the purpose of computing the percentage ownership of any other person.

Percentage ownership of our common stock in the table is based on 66,648,716 shares of our common stock outstanding on March 11, 2025. Unless otherwise indicated, the address of each of the individuals and entities named below is c/o Calix, Inc., 2777 Orchard Parkway, San Jose, California 95134.

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| Name of Beneficial Owner                                                                |     |           |     | Shares of Common Stock Beneficially Owned (1) |   |            |             |     |   |           |              |     |   |            |             |     |       |   |
|                                                                                         |     |    Common 
 Stock (#) |     |                                               |   |            |     Options 
 Exercisable 
   Within 60 
    Days (#) |     |   |           | Total        
 Number       
 of Shares    
 Beneficially 
 Owned (#)    |     |   |            | Percent of  
 Outstanding 
 Shares (%)  |     |       |