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. expanded its stock repurchase program, which had $109.3 million of remaining authorization as of December 31, 2025. On January 27, 2026, the board approved up to an additional $125 million of buybacks, bringing the total program authorization to $425 million.
The company may repurchase shares from time to time through open market purchases, privately negotiated transactions or other methods, in line with SEC rules and its capital allocation strategy. Calix is not required to repurchase a specific amount of stock and may suspend or discontinue the program at its discretion.
Calix, Inc. director and 10% owner Carl Russo reported an option exercise involving company stock. On January 7, 2026, he exercised a stock option to acquire 10,000 shares of Calix common stock at $12.63 per share, converting a derivative position into directly held shares. Following this transaction, he directly held 3,983,070 shares of common stock and 570,000 stock options.
Additional Calix shares are reported as indirectly owned through The Crescentico Trust, where Russo is trustee, and through Equanimous Investments, an entity managed by Russo and Tim Pasquinelli. The filing states that these individuals may be deemed to share voting and investment power over Equanimous Investments’ shares and that each disclaims beneficial ownership except to the extent of his pecuniary interest. The option exercised for 10,000 shares was fully vested and exercisable as of May 22, 2024.
Calix, Inc. director and 10% owner Carl Russo reported an automatic grant of employee stock options on common stock. The filing shows an award of 11,663 stock options with an exercise price of $53.59 per share, dated January 2, 2026. These options begin to vest with respect to 25% of the underlying shares on each anniversary of the grant date, starting one year after January 2, 2026, and are listed as exercisable from January 2, 2027 until expiration on January 2, 2036. Following this grant, Russo is shown as directly holding 11,663 derivative securities tied to Calix common stock.
Calix, Inc. (CALX) disclosed the equity holdings of its Chief Operating Officer. The executive directly owns 1,928 shares of Calix common stock. In addition, the filing lists several stock option awards to purchase Calix common stock at exercise prices ranging from $34.26 to $51.83 per share, covering blocks of 200,000, 42,555, 107,775, 56,350, and two grants of 195,000 shares.
The options generally vest 25% on the first anniversary of the grant date, with the remaining 75% vesting in substantially equal quarterly installments over the following 36 months, subject to continued service. As of November 25, 2025, portions of several grants are already vested and exercisable, including 125,000 shares from one grant, 26,597 shares from another, 47,151 shares from a third, and 17,622 shares from a fourth.
Calix, Inc. insider activity: Director and 10% owner Carl Russo reported exercising a stock option for 10,000 shares of common stock on 11/24/2025 at an exercise price of $12.63 per share. The option was a stock option right to buy Calix common stock and had been fully vested and exercisable since May 22, 2024.
After this transaction, Russo beneficially owns 3,973,070 shares directly. He also reports indirect ownership of 1,694,188 shares held by The Crescentico Trust, for which he is trustee, and 13,782 shares held by Equanimous Investments, where he and another individual are managing members and may be deemed to share voting and investment power. Following the exercise, 580,000 stock options remain beneficially owned.
Calix, Inc. director and 10% owner Carl Russo reported exercising a stock option for 10,000 shares of common stock on 11/17/2025 at an exercise price of $12.63 per share. After this transaction, he directly owns 3,963,070 shares of Calix common stock. He also reports indirect holdings of 1,694,188 shares held by The Crescentico Trust, for which he is trustee, and 13,782 shares held by Equanimous Investments, where he and another individual may share voting and investment power. Following the option exercise, Russo still holds 590,000 stock options exercisable for Calix common stock, with an expiration date of 05/22/2030, and the shares subject to this option were fully vested and exercisable as of 05/22/2024.
Calix, Inc. reported that its Board of Directors has appointed John Durocher, age 58, as Chief Operating Officer, effective November 16, 2025. He has been the company’s Chief Customer Officer since March 2023 and previously held senior customer success leadership roles at Salesforce and worked at Accenture in its CRM Service Line. The company states that his compensation will remain unchanged and will continue under the existing executive compensation program, as previously described in Calix’s March 27, 2025 proxy statement. Calix also issued a press release on November 17, 2025 announcing the appointment, which is furnished as an exhibit.
Calix, Inc. reported an insider transaction by Chief Product Officer Shane Eleniak. On 11/10/2025, he exercised 24,000 stock options at an exercise price of $8.03 and sold 24,000 shares of common stock at a weighted average price of $64.135. The sale occurred through multiple trades in a price range of $64.00 to $64.295, with full trade details available upon request.
Following these transactions, his direct beneficial ownership of common stock was 0 shares. The filing notes the option grant was fully vested and exercisable as of February 14, 2023, with an expiration date of February 14, 2029.
Calix (CALX) reported an insider transaction by its Chief Financial Officer, Cory Sindelar. On 11/06/2025, the CFO exercised 50,000 stock options at an exercise price of $5.05 (code M), acquiring common shares.
On the same day, he sold 50,000 common shares at a weighted average price of $65.2987 (code S). After these transactions, beneficial ownership of common stock was 76,555 shares, held directly. The related option was fully vested and exercisable since October 1, 2021, and 175,000 derivative securities (options) remained beneficially owned following the transactions, with an option expiration of 10/01/2027.
The sale price reflects multiple trades between $65.00 and $65.99; detailed breakdowns are available upon request.
Form 144 notice: A holder plans to sell up to 24,000 shares of the issuer’s common stock with an aggregate market value of $1,539,240. The intended sales are through Morgan Stanley Smith Barney LLC, with an approximate sale date of 11/10/2025 on the NYSE.
The 24,000 shares were acquired on 11/10/2025 via a stock option exercise from the issuer for cash. Shares outstanding were 66,276,473. The filer also reported a prior sale of 50,000 shares on 11/04/2025 for gross proceeds of $3,266,850.