CALIX, INC (CALX)

AI-Powered SEC Filing Analysis

Insider Trading Filed: 2026-04-28

Key Insights

  • Carl Russo, a Director and 10% Owner of CALX, executed significant stock sales totaling 25,000 shares on 04/27/2026 at prices ranging from $42.62 to $43.76, generating approximately $1.09 million in proceeds.
  • The sales were conducted pursuant to a Rule 10b5-1 trading plan adopted on April 25, 2025, indicating pre-planned, systematic selling rather than reactive trading, which reduces concerns about sudden loss of confidence.
  • Russo maintains substantial beneficial ownership of approximately 1.648-1.664 million shares through direct holdings and The Crescentico Trust, plus additional indirect ownership through Equanimous Investments, demonstrating continued significant stake in the company.
  • The reported transactions represent routine insider portfolio management rather than a major strategic shift, as Russo retains multi-million share positions after the sales.
Quarterly Report Filed: 2026-04-22

Key Insights

  • The filing contains structural XML metadata but lacks substantive financial data, revenue figures, earnings metrics, and management discussion that would typically appear in a complete 10-Q filing.
  • The document references two business segments (Appliance and Software/Service) with comparative Q1 2026 vs Q1 2025 data structures, suggesting ongoing business operations across multiple revenue streams.
  • The presence of executive officer share-based compensation data and performance share tranches indicates active equity incentive programs, though specific vesting details and share count changes are not visible in the provided excerpt.
  • Cash equivalents and marketable securities portfolio data is present with fair value level classifications, suggesting the company maintains a diversified liquidity position, but specific amounts cannot be determined from the metadata alone.
Current Report Filed: 2026-04-21

Key Insights

  • Calix announced Q1 2026 financial results on April 21, 2026, including a stockholder letter that provides management's perspective on operational performance and financial condition for the quarter ended March 28, 2026.
  • The company uses multiple non-GAAP measures (non-GAAP gross margin, operating expenses, net income, free cash flow, and EPS) to evaluate performance, excluding stock-based compensation and intangible amortization, indicating management focuses on core operational metrics for investor communication.
  • All non-GAAP financial disclosures include formal GAAP reconciliations in the stockholder letter, demonstrating compliance with SEC requirements and transparency in presenting adjusted metrics alongside standard accounting results.
  • The filing was signed by CFO Cory Sindelar on April 21, 2026, indicating routine quarterly earnings disclosure with no material events, acquisitions, management changes, or other Items 1.01-2.06 triggers noted in the 8-K.
Current Report Filed: 2026-04-21

Key Insights

  • Board authorized an additional $100 million stock repurchase on April 21, 2026, increasing total program authorization to $525 million, signaling management confidence in the company's valuation and financial position.
  • The company had only $63.4 million remaining on its repurchase authorization as of March 28, 2026, indicating active capital deployment and buyback execution prior to this expansion.
  • Repurchase program provides flexibility with no specific obligations, allowing management to opportunistically purchase shares based on market conditions and stock price, supporting disciplined capital allocation strategy.
Insider Trading Filed: 2026-04-10

Key Insights

  • Insider Carl Russo, a director and 10% owner, sold a sizable block of 40,000 shares of Calix, Inc. common stock at $0 per share.
  • Russo still holds a significant direct ownership stake of 3,953,070 shares, as well as indirect ownership through Equanimous Investments (13,782 shares) and The Crescentico Trust (1,669,188 shares).
  • Insider selling, particularly of large amounts, can sometimes signal the executive's view on the company's future prospects, though other factors like portfolio diversification may also play a role.
Insider Trading Filed: 2026-03-31

Key Insights

  • Carl Russo, a 10% owner of Calix, Inc., has received a stock option grant of 11,753 shares, vesting over 10 years. This indicates a long-term commitment to the company.
  • The option grant has an exercise price of $49.40, which is the current market price, suggesting the company is incentivizing Russo to drive long-term shareholder value.
  • Russo's ownership of Calix shares, both directly and through this option grant, demonstrates his alignment with other shareholders and confidence in the company's future prospects.
Insider Trading Filed: 2026-02-26

Key Insights

  • The reporting person, Carl Russo, acquired 10,000 shares of Calix, Inc. (CALX) common stock through the exercise of stock options, increasing his direct beneficial ownership to over 3.9 million shares.
  • Russo also holds an indirect beneficial ownership of 13,782 shares through Equanimous Investments and 1,669,188 shares through The Crescentico Trust, indicating significant insider ownership and alignment with shareholders.
  • The option exercise was priced at $12.63 per share, which may suggest the reporting person's confidence in the company's future prospects.
Annual Report Filed: 2026-02-20

Key Insights

  • CALIX, INC. appears to have experienced steady revenue growth and margin improvements over the past few years, indicating a strong operational performance.
  • The company's software and services segment has seen accelerating growth, suggesting a successful transition towards a more recurring revenue-based business model.
  • CALIX has a strong balance sheet, with substantial cash and short-term investments, providing financial flexibility to support future growth initiatives.
Insider Trading Filed: 2026-02-17

Key Insights

  • The reporting person, John Durocher, acquired 439 shares of Calix, Inc. common stock pursuant to the company's Employee Stock Purchase Plan (ESPP) at a discounted price of $45.322 per share.
  • Durocher was also granted a performance-based stock option to purchase 195,000 shares of common stock, with the Compensation Committee determining that the performance criteria had been achieved. The option will vest over time.
  • The insider transactions suggest Durocher, the Chief Operating Officer, has confidence in Calix's future performance and is aligning his interests with shareholders.
Insider Trading Filed: 2026-02-17

Key Insights

  • Insider Shane Eleniak, the Chief Product Officer, was granted a performance-based stock option to purchase 195,000 shares of Calix, Inc. common stock. This indicates the company's confidence in Eleniak's leadership and future performance.
  • The option vests over multiple years, with 25% vesting immediately and the remaining 75% vesting quarterly over 36 months, subject to continued employment. This suggests the company is incentivizing Eleniak to remain with the company and drive long-term growth.
  • The fact that 100% of the performance criteria governing the option grant were met indicates the company is meeting or exceeding its internal targets, which could be a positive sign for investors.
Insider Trading Filed: 2026-02-17

Key Insights

  • Michael Weening, the President and CEO of Calix, Inc., has acquired 439 shares of the company's common stock through the Amended and Restated Employee Stock Purchase Plan (ESPP), indicating his confidence in the company's future.
  • Weening has also been granted a performance-based stock option to purchase 217,500 shares of Calix's common stock, with the performance criteria being met and the option vesting over time, further aligning his interests with those of shareholders.
  • The insider buying and equity-based compensation suggest Weening's commitment to the company's long-term success, which may be viewed positively by investors.
Insider Trading Filed: 2026-02-17

Key Insights

  • Cory Sindelar, the Chief Financial Officer of Calix, Inc., acquired 439 shares of the company's common stock through the Employee Stock Purchase Plan, increasing his direct ownership to 103,994 shares.
  • Sindelar was also granted a performance-based stock option to purchase 170,000 shares of Calix's common stock, which vests over a 36-month period starting from January 31, 2026 upon achieving certain performance criteria.
  • The reported transactions suggest that Sindelar, a key executive, is bullish on the company's prospects and is aligning his interests with shareholders through increased equity ownership.
Insider Trading Filed: 2026-02-04

Key Insights

  • The filing discloses that Carl Russo, a director and 10% owner of CALIX, INC (CALX), sold a total of 25,000 shares of common stock on February 3, 2026 through multiple transactions at prices ranging from $46.34 to $48.20 per share.
  • Russo's sales were executed pursuant to a pre-arranged Rule 10b5-1 trading plan, which suggests planned and systematic insider selling rather than opportunistic transactions.
  • After the reported sales, Russo still holds a substantial stake of over 5 million shares of CALX, indicating he remains a long-term investor in the company.
Insider Trading Filed: 2026-02-03

Key Insights

  • The reporting person, Cory Sindelar, the Chief Financial Officer of Calix, Inc., exercised 27,000 stock options at $5.05 per share on February 2, 2026.
  • Sindelar's beneficial ownership of Calix's common stock increased to 103,555 shares following the option exercise.
  • The option exercise indicates Sindelar's confidence in Calix's long-term prospects and aligns his interests with those of shareholders.
Current Report Filed: 2026-01-28

Key Insights

  • Calix reported its Q4 2025 financial results, including strong revenue growth and improving profitability metrics.
  • The company highlighted the continued success of its cloud and software-enabled platform, which has driven increased customer engagement and recurring revenue.
  • Calix provided positive guidance for the upcoming fiscal year, signaling confidence in the company's long-term growth prospects.
Current Report Filed: 2026-01-28

Key Insights

  • Calix, Inc. has increased its stock repurchase authorization by an additional $125 million, bringing the total authorization to $425 million. This signals the company's confidence in its financial position and a commitment to return capital to shareholders.
  • The timing of the repurchase program will depend on various factors, including prevailing stock prices, general market conditions, and the company's capital allocation strategy. This flexibility allows Calix to opportunistically buy back shares when it deems appropriate.
  • The increased repurchase authorization provides Calix with the ability to potentially support its stock price and enhance shareholder value, particularly if the company believes its shares are undervalued.
Insider Trading Filed: 2026-01-08

Key Insights

  • Insider Carl Russo, who is both a director and 10% owner of Calix, Inc., exercised 10,000 stock options at $12.63 per share, indicating his continued confidence in the company's long-term prospects.
  • Russo also holds significant indirect beneficial ownership of Calix shares through two trusts, suggesting he maintains a substantial investment in the company.
  • The timely exercise of the stock options, combined with Russo's sizable indirect ownership, signals that he believes the company is well-positioned for future growth and success.
Insider Trading Filed: 2026-01-05

Key Insights

  • The reporting person, Carl Russo, has acquired 11,663 employee stock options with an exercise price of $53.59 and a vesting period until 2027.
  • Russo holds a 10% ownership stake in Calix, Inc. and serves as a director, indicating he has a significant influence over the company's operations and decision-making.
  • The stock option grant suggests Russo is aligning his interests with those of the company and its shareholders, which could be viewed positively by investors.

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Important Information

AI-generated analysis is for informational purposes only. Always read original SEC filings and consult with qualified professionals before making investment decisions.