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BCS

Notice of Proposed Sale · 144

CALIX, INC.

CALXNYSEEQUITYCurrent

Notice of Proposed Sale

Filed Jul 27, 2026Accepted Jul 27, 2026, 2:07 PM EDTFiling CIK 1483757Accession 0001957799-26-000132
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Structured filing — 144

primary_doc.xml

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
CALIX, INC
Issuer CIK
0001406666
SEC file number
001-34674
Phone
408-514-3000
Person for whose account securities are to be sold
Russo Carl
Relationships to issuer
Officer · Director · 10% Stockholder
Street
3155 OLSEN DRIVE, SUITE 450
City
SAN JOSE
State / country code
CA
Postal code
95117

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common75,0002,710,993.0162,963,98907/27/2026NYSEWells Fargo Clearing Services

Broker / market maker — proposed row 1, entry 1

Name
Wells Fargo Clearing Services
Street
One North Jefferson Avenue
City
St. Louis
State / country code
MO
Postal code
63103

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common01/30/2023Stock OptionsIssuer75,000N01/30/2023N/A

Sales reported in the preceding three months

Sales reported in the preceding three months · 1 reported row
SellerSecuritySale dateAmount soldGross proceeds
Crescentico TrustCalix, Inc.04/27/202625,0001,080,321.44

Seller — prior-sale row 1, entry 1

Name
Crescentico Trust
Street
3155 Olsen Drive, Suite 450
City
San Jose
State / country code
CA
Postal code
95117

Prior-sale reporting

Nothing to report for the preceding three months
N

Remarks

The 75,000 shares were sold by the Crescentico Trust, and Carl Russo is a Trustee of the Trust. He is also a Director, Officer and a ten percent shareholder of Calix Inc

Notice signature

Notice date
07/27/2026
Signed
Carl Russo
Plan adoption dates
04/23/2026

Company context

Current securities

Recent company filings

  1. 10-Q filingNov 3, 2026
  2. Results of Operations and Financial ConditionNov 2, 2026
  3. Other EventsOct 8, 2026
  4. S-8 filingJul 21, 2026
  5. 10-Q filingJul 21, 2026

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