0001406666 2026-07-21 2026-07-21 0001406666 1 2026-07-21 2026-07-21 shares iso4217:USD pure 0001406666 S-8 S-8 EX-FILING FEES N/A 0.00013810 Calix, Inc Equity false Common Stock, $0.025 par value per share true 1344600 38.60 51901560 7167.61 51901560 7167.61 0 7167.61 <div style="padding-left:31.5pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">(1)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:139%;padding-left:6.34pt">Pursuant to Rule 416(a) under the Securities Act, this Registration Statement shall be deemed to cover any additional securities which may from time to time be offered or issued under the plans covered by this Registration Statement to prevent dilution by reason of any stock dividend, stock split, recapitalization or other similar transaction effected without the receipt of consideration.</span></div><div style="margin-top:3pt;padding-left:31.5pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">(2)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:139%;padding-left:6.34pt">Represents 1,344,600 additional shares of common stock available for future issuance under the Stock Purchase and Matching Plan.</span></div><div style="margin-top:3pt;padding-left:31.5pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">(3)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:139%;padding-left:6.34pt">Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h) under the Securities Act. The offering price is based on the average of the high and low sales prices per share of the Registrant’s common stock on July 17, 2026 as reported on the New York Stock Exchange.</span></div>