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) filed a Form 144 notice for a proposed sale of 50,000 common shares through Morgan Stanley Smith Barney. The filing lists an aggregate market value of $3,264,930, an approximate sale date of 11/06/2025, and trading on the NYSE. Shares outstanding were 66,276,473.
The shares to be sold were acquired via a stock option exercise on 11/06/2025 for cash. In the prior three months, the filer reported three sales of common stock: 10,000 shares on 08/28/2025 for $600,000, 10,000 shares on 10/30/2025 for $650,000, and 10,000 shares on 10/31/2025 for $700,000.
Calix, Inc. (CALX) reported an insider transaction by its Chief Product Officer. On 11/04/2025, the officer exercised stock options for 50,000 shares of common stock at $7 per share (code M), then sold 50,000 shares at a weighted average price of $65.3371 (code S). Following these transactions, the filing shows 0 shares of common stock directly owned and 0 derivative securities remaining. The sales occurred in multiple trades between $65.025 and $65.685, with full trade details available upon request. The option had been fully vested and exercisable since August 1, 2022.
Calix (CALX) director and 10% owner Carl Russo reported insider trades.
On 11/04/2025, he sold common stock under a Rule 10b5‑1 plan adopted April 25, 2025: 395,000 shares at
CALX filed a Form 144 notice for proposed sales of common stock, listing 395,000 shares (via J.P. Morgan Securities) and 25,000 shares (via Wells Fargo Clearing Services). The filing shows aggregate market values of $25,280,000 and $1,639,367, respectively, with an approximate sale date of 11/04/2025 on the NYSE.
The notice also lists how the seller acquired the shares over time, including purchases on 12/21/1999 (102,704 shares), 06/23/2000 (75,476), 02/23/2001 (13,658), 06/12/2002 (203,162), and a stock option exercise on 01/30/2023 (25,000). Shares outstanding were 66,276,473; this is a baseline figure, not the amount being sold.
Calix (CALX) received a Form 144 notice indicating a holder’s intent to sell 50,000 shares of common stock. The filing lists an aggregate market value of $3,266,850.00 and an approximate sale date of 11/04/2025.
The shares were acquired via a stock option exercise on 11/04/2025 with cash payment. The proposed sale is to be executed through Morgan Stanley Smith Barney LLC on the NYSE. As context, 66,276,473 shares were outstanding.
Calix (CALX) reported insider transactions by President & CEO Michael Weening. He exercised 274,000 stock options at $7.84 and sold 274,000 shares pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025.
On 10/30/2025, he exercised 200,000 shares, then sold 150,000 shares at a weighted average $64.628 (range $64.55–$65.00) and 50,000 shares at $67.5456 (range $67.35–$67.93). On 11/03/2025, he exercised 74,000 shares and sold 74,000 shares at $67.4203 (range $66.245–$69.450). Shares beneficially owned were 16,117 after the reported transactions. The options exercised were fully vested as of November 27, 2023 and expire on November 27, 2029.
Calix (CALX) filed a Form 144 indicating a proposed sale of 74,000 common shares through Morgan Stanley Smith Barney LLC, with an aggregate market value of $4,989,102.20. The filing lists an approximate sale date of 11/03/2025 on the NYSE. The shares were acquired the same day via a stock option exercise for cash.
Shares outstanding were 66,276,473; this is a baseline figure, not the amount being sold. Recent insider sales disclosed in the notice over the past three months include 200,000 shares on 10/30/2025 for $13,071,475.00 and 157,990 shares on 09/10/2025 for $9,803,370.00. The filer represents they do not know of undisclosed material adverse information at the time of the notice.
Calix, Inc. reported insider transactions by CFO Cory Sindelar on a Form 4. He exercised stock options at $5.05 for 10,000 shares on October 30, 2025 and sold 10,000 shares at $65 the same day. He repeated this on October 31, 2025, exercising options at $5.05 for 10,000 shares and selling 10,000 shares at $70.
Following the reported transactions, he held 76,555 shares of common stock directly. The option awards had an exercise price of $5.05, were fully vested as of October 1, 2021, and carry an expiration date of October 1, 2027. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on February 7, 2025.
Calix, Inc. (CALX) filed a Form 144 indicating that Cory J Sindelar plans to sell 10,000 shares of common stock with an aggregate market value of $700,000. The proposed sale is listed for 10/31/2025 on the NYSE through Morgan Stanley Smith Barney LLC.
The filing notes the shares were acquired via a stock option exercise on 10/31/2025 with cash payment. Recent activity disclosed includes sales by the same seller of 10,000 shares for $650,000 on 10/30/2025 and 10,000 shares for $600,000 on 08/28/2025.
CALX filed a Form 144 notice for a proposed sale of 200,000 shares of common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $13,071,475. The approximate sale date is 10/30/2025 on the NYSE.
The shares were acquired via a stock option exercise on 10/30/2025 for cash. The filing lists 66,276,473 shares outstanding for the issuer as context.
Recent activity disclosed includes sales over the past three months by Michael Weening: 74,000 shares for $4,218,000 on 08/04/2025, 126,000 for $7,560,000 on 08/28/2025, 24,000 for $1,440,000 on 09/04/2025, 157,990 for $9,803,370 on 09/10/2025, and 18,010 for $1,134,630 on 09/11/2025.