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.
Parsing Calix’s cloud-software narrative across hardware margins, deferred SaaS revenue and customer concentration can consume an analyst’s entire morning. Each Calix Networks annual report 10-K simplified buries platform adoption metrics in footnotes, while fast-moving 8-K disclosures reveal new broadband-stimulus contracts. If you’ve searched “Calix SEC filings explained simply,” chased “Calix insider trading Form 4 transactions,” or needed a quick Calix earnings report filing analysis, you know the challenge.
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Use these tools to monitor broadband-funding exposure, gauge how Calix Cloud subscriptions lift gross margin, or spot patterns in Calix executive stock transactions Form 4 before earnings. From S-1 drafts to 10-K, 10-Q, 8-K and SD, every filing is indexed and searchable. Understanding Calix SEC documents with AI means spending less time scrolling and more time acting on data that moves the market.
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.
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
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