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 (CALX) received a Form 144 notice for a proposed sale of 10,000 shares of common stock with an aggregate market value of $650,000. The shares are planned to be sold on or about 10/30/2025 through Morgan Stanley Smith Barney LLC on the NYSE.
The securities were acquired on 10/30/2025 via a stock option exercise for 10,000 shares, paid in cash. In the past three months, the seller reported a sale of 10,000 shares on 08/28/2025 for gross proceeds of $600,000. The filing lists 65,303,995 shares outstanding for the issuer.
Calix, Inc. (CALX) reported stronger quarterly results in its 10-Q. Revenue rose to $265.4 million from $200.9 million, and the company swung to net income of $15.7 million from a loss a year ago. Gross margin improved to 57.3% as platform, cloud and managed services expanded. Year to date, revenue reached $727.6 million and net income was $10.7 million.
Calix ended the quarter with $339.6 million in cash, cash equivalents and marketable securities, up from $297.1 million at year-end. Operating cash flow was $88.9 million for the nine months. The company repurchased $77.0 million of stock year to date, with $125.9 million remaining authorized. Remaining performance obligations were $354.6 million, with 40% expected to be recognized over the next 12 months. Shares outstanding were 66,276,473 as of October 15, 2025.
Calix, Inc. furnished an 8‑K stating it has publicly disseminated a stockholder letter and issued a press release with its financial results for the third quarter ended September 27, 2025. The materials discuss non‑GAAP metrics, including non‑GAAP gross margin, operating expenses, sales and marketing investments, research and development investments, general and administrative investments, effective income tax rate, net income (profitability), net income per diluted share, and free cash flow, with reconciliations to U.S. GAAP provided.
The information is furnished under Item 2.02 and is not deemed filed under the Exchange Act. The press release is attached as Exhibit 99.1 and the stockholder letter with reconciliations as Exhibit 99.2.
Carl Russo, a director and reported 10% owner of Calix, Inc. (CALX), received an award of stock options on 09/29/2025. The option grants the right to buy 10,329 shares of Calix common stock at an exercise price of $61.38 per share. The option becomes exercisable in stages with 25% vesting on each anniversary of the grant date, and the first vesting date is September 29, 2025, with the stated exercisable date for the option portion shown as September 29, 2026 and an expiration of September 29, 2035.
The filing reports the options as directly owned following the transaction, with 10,329 shares underlying the option recorded as beneficially owned. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Russo on 10/01/2025. All details above are taken directly from the Form 4 disclosure.
CALIX, INC. Form 4 summary Michael Weening, President & CEO and a director, reported multiple option exercises and share sales on September 10-11, 2025. He exercised stock options with a $7.84 strike to acquire 176,000 shares in aggregate and reported underlying option holdings totaling 300,000, 292,010, and 274,000 shares after each exercise line. Concurrently he sold 176,000 shares at prices of $62 and $63 per share. The filing states 100% of the exercised options were vested and exercisable as of November 27, 2023, and the sales were effected under a Rule 10b5-1 trading plan adopted February 28, 2025. The report was signed by an attorney-in-fact on behalf of Mr. Weening on September 11, 2025.
Calix, Inc. (CALX) notice reports a proposed sale under Rule 144 of 18,010 common shares valued at $1,134,630 to be sold through Morgan Stanley Smith Barney on the NYSE on 09/11/2025. The filing shows these 18,010 shares were acquired the same day by stock option exercise from the issuer and paid in cash. The form also discloses multiple recent sales by Michael Weening totaling 581,990 shares sold across six transactions between 07/22/2025 and 09/10/2025 with gross proceeds shown per transaction. The filing does not provide the issuer address or additional narrative disclosures.
Form 144 filed for CALIX, INC. (CALX) discloses a proposed sale of 157,990 common shares to be executed through Morgan Stanley Smith Barney on the NYSE on 09/10/2025, with an aggregate market value of $9,803,370. The filer acquired these shares the same day by exercising stock options and paid cash. The filing also reports insider sales by Michael Weening totaling 424,000 shares in the prior three months for total gross proceeds of $24,342,000. The shares to be sold represent about 0.24% of the 65,303,995 shares outstanding.
Michael Weening, President & CEO and a director of Calix, Inc. (CALX), executed transactions on 09/04/2025 that involved exercising options and contemporaneous sales. He exercised 24,000 stock options with an exercise price of $7.84, resulting in an acquisition of 24,000 shares. The same day he sold 24,000 shares at $60 per share. After these transactions he beneficially owned 16,117 shares of common stock and continued to hold 450,000 outstanding stock options.
The Form 4 notes the options were fully vested on November 27, 2023, and the sales were effected pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025. The filing was signed on behalf of Mr. Weening by an attorney-in-fact on 09/08/2025.
Calix, Inc. insider sale notice: This Form 144 shows a proposed sale of 24,000 common shares to be executed through Morgan Stanley Smith Barney on the NYSE with an aggregate market value of $1,440,000. The securities were acquired the same day, 09/04/2025, by stock option exercise with cash paid on acquisition. The filer previously sold common shares on 08/28/2025 (126,000 shares, $7,560,000), 08/04/2025 (74,000 shares, $4,218,000), 07/23/2025 (108,000 shares, $6,064,000) and 07/22/2025 (92,000 shares, $5,060,000), as disclosed in the form. The filer certifies no undisclosed material adverse information.
Michael Weening, President & CEO and director of Calix, Inc. (CALX), reported option exercise and share sale on 08/28/2025. He exercised 126,000 stock options with a $7.84 exercise price and acquired 126,000 shares, then sold 126,000 shares at $60. After these transactions his reported beneficial ownership is 16,117 shares and he holds 474,000 options exercisable into common stock. The filing states 100% of the option shares were vested as of 11/27/2023 and that the sales were effected under a Rule 10b5-1 trading plan adopted 02/28/2025. The Form 4 was signed by an attorney-in-fact on 09/02/2025.