Welcome to our dedicated page for Calix Networks SEC filings (Ticker: CALX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to Calix, Inc. (NYSE: CALX) SEC filings, offering a detailed view of how the company reports its financial performance, governance changes, and other material events. Calix is incorporated in Delaware and files with the U.S. Securities and Exchange Commission under Commission File Number 001-34674.
Investors can review Form 10‑K annual reports and Form 10‑Q quarterly reports to understand Calix’s business description as an appliance-based platform, cloud, and managed services company focused on broadband and communications service providers. These filings typically include discussions of the Calix Broadband Platform, managed services, risk factors, and management’s analysis of financial condition and results of operations.
Form 8‑K current reports document specific events such as the release of quarterly financial results via stockholder letters and the appointment of key executives. For example, recent 8‑K filings describe the use of non‑GAAP financial measures in stockholder letters and the appointment of a chief operations officer. These reports help investors track leadership changes, financial disclosures, and other significant updates.
Other important SEC documents for Calix may include the proxy statement on Schedule 14A, which discusses executive compensation and governance matters, and Form 4 insider trading reports, which disclose transactions by directors and officers in Calix stock. Through this filings page, users can quickly locate and review these documents, while AI-powered summaries on the platform can help explain key sections and highlight themes such as non‑GAAP metrics, executive roles, and strategic priorities.
Calix Inc — Vanguard Portfolio Management reports beneficial ownership of 5,586,179 shares of Common Stock, representing 8.64% of the class. The filing states Vanguard has sole dispositive power over 5,586,179 shares and sole voting power for 52,425 shares. The Schedule 13G is signed by Ashley Grim on 04/29/2026.
CALIX, INC director and 10% owner Carl Russo reported indirect sales of company stock through affiliated entities. Entities associated with Russo sold a total of 25,000 shares of Calix common stock in open-market transactions on April 27, 2026, at weighted average prices of about $43.17 and $43.75 per share.
The filing attributes holdings to The Crescentico Trust, for which Russo serves as trustee, and to Equanimous Investments, whose managing members include Russo and Tim Pasquinelli. After these transactions, Russo’s direct ownership was reported at 3,953,070 shares, with additional indirect positions of 13,782 shares and separate indirect blocks of 1,644,188 and 1,648,279 shares held through these entities, with beneficial ownership of some interests disclaimed except for any pecuniary interest.
Calix (CALX) submitted a Rule 144 notice reflecting a proposed sale of 25,000 shares of Common Stock. The filing lists an associated dollar figure of $1,080,321.44 and identifies Crescentico Trust as having sold 25,000 shares on 02/03/2026 for $1,180,432.28. The securities are tied to stock options dated 01/30/2023.
Calix, Inc. reported strong growth for the quarter ended March 28, 2026, with total revenue of $279.984 million, up 27% from $220.242 million a year earlier. Appliance revenue rose 30% to $232.843 million, while software and service revenue grew 16% to $47.141 million.
Gross profit increased to $159.296 million and overall gross margin improved to 56.9%, driven mainly by higher appliance volume, partly offset by lower software and service margins during a cloud platform transition. The company generated net income of $11.210 million, reversing a prior-year net loss of $4.787 million, with diluted EPS of $0.16.
Calix ended the quarter with $243.3 million in cash, cash equivalents and marketable securities after repurchasing 3.3 million shares for $170.9 million. Remaining performance obligations were $376.3 million, with 42% expected to be recognized as revenue over the next 12 months.
Calix, Inc. reported strong first quarter 2026 results driven by its AI-native Calix One platform. Revenue reached $280.0 million, up 3% sequentially and 27% year-over-year, within prior guidance. GAAP diluted EPS was $0.16, while non-GAAP diluted EPS was $0.40.
GAAP gross margin was 56.9% and non-GAAP gross margin 57.2%, helped by growing platform adoption, partly offset by temporary dual cloud costs during migration to Calix One. Non-GAAP operating expenses were $126.9 million, reflecting continued investment in AI capabilities and platform innovation.
Calix generated non-GAAP free cash flow of about $6.5 million and ended the quarter with $243.3 million in cash and investments after repurchasing 3.3 million shares for $170.9 million. For the second quarter of 2026, the company guides revenue to $287–$293 million and non-GAAP EPS to $0.35–$0.45, and expects full-year 2026 revenue growth of 15–20%.
Calix, Inc. reported strong first quarter 2026 results driven by its AI-native Calix One platform. Revenue reached $280.0 million, up 3% sequentially and 27% year-over-year, within prior guidance. GAAP diluted EPS was $0.16, while non-GAAP diluted EPS was $0.40.
GAAP gross margin was 56.9% and non-GAAP gross margin 57.2%, helped by growing platform adoption, partly offset by temporary dual cloud costs during migration to Calix One. Non-GAAP operating expenses were $126.9 million, reflecting continued investment in AI capabilities and platform innovation.
Calix generated non-GAAP free cash flow of about $6.5 million and ended the quarter with $243.3 million in cash and investments after repurchasing 3.3 million shares for $170.9 million. For the second quarter of 2026, the company guides revenue to $287–$293 million and non-GAAP EPS to $0.35–$0.45, and expects full-year 2026 revenue growth of 15–20%.
Calix, Inc. increased its common stock repurchase authorization by an additional $100 million, expanding the existing stock buyback program to a total of $525 million. As of March 28, 2026, the remaining authorized balance under the program was $63.4 million.
The board-approved program allows Calix to repurchase shares from time to time through methods such as open market purchases or privately negotiated transactions, subject to SEC rules and other legal requirements. The company is not obligated to repurchase a specific amount, and the program may be suspended or discontinued at any time.
Calix, Inc. increased its common stock repurchase authorization by an additional $100 million, expanding the existing stock buyback program to a total of $525 million. As of March 28, 2026, the remaining authorized balance under the program was $63.4 million.
The board-approved program allows Calix to repurchase shares from time to time through methods such as open market purchases or privately negotiated transactions, subject to SEC rules and other legal requirements. The company is not obligated to repurchase a specific amount, and the program may be suspended or discontinued at any time.
Calix, Inc. director and ten percent owner Carl Russo reported a bona fide gift of 40,000 shares of Common Stock on April 8, 2026. The gift carried no stated price per share and was coded as a non-derivative G transaction. After the gift, he holds 3,953,070 shares directly. He also has indirect holdings of 13,782 shares through Equanimous Investments and 1,669,188 shares through The Crescentico Trust, where he may share voting and investment power but disclaims beneficial ownership except for his pecuniary interest.
CALIX, INC director and 10% owner Carl Russo received a grant of 11,753 stock options to buy Calix common stock. The options have an exercise price of $49.40 per share and were granted at no cost on March 30, 2026.
The award vests in 25% increments on each anniversary of the March 30, 2026 grant date and will expire on March 30, 2036 if not exercised. Following this grant, Russo holds 11,753 stock options directly, according to the filing.
Calix, Inc. is holding its 2026 Annual Meeting of Stockholders virtually on May 14, 2026 at 10:45 a.m. Pacific Daylight Time. Stockholders of record as of March 17, 2026, when 64,609,498 shares of common stock were outstanding, may vote online or by proxy.
Stockholders will vote on electing three Class I directors, a 672,300 share increase in the matching component of the Stock Purchase and Matching Plan, an advisory say‑on‑pay resolution, ratification of KPMG LLP as auditor for 2026, and an advisory stockholder proposal on adopting simple majority voting.
The Board recommends voting for all director nominees, for the share reserve increase, for the say‑on‑pay proposal, for auditor ratification, and against the simple majority voting stockholder proposal. Calix emphasizes internet delivery of proxy materials and strong board‑level oversight through its audit, compensation, governance, AI and cybersecurity, and strategic committees.