Welcome to our dedicated page for Ciena SEC filings (Ticker: CIEN), 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 Ciena Corporation (NYSE: CIEN) filings with the U.S. Securities and Exchange Commission, along with AI-powered tools to help interpret the information. Ciena is a Delaware corporation based in Hanover, Maryland and is categorized in the telephone apparatus manufacturing industry. Its SEC filings document financial performance, material events, governance matters, and other disclosures relevant to investors and analysts.
Ciena regularly files Form 8-K current reports to announce significant events. Recent examples include 8-Ks reporting fiscal quarterly and year-end financial results, which present revenue from products and services and segment data for Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services. Other 8-K filings describe material events such as the entry into and completion of the acquisition of Nubis Communications, Inc., and changes to executive change in control severance agreements.
Through this page, users can also review Ciena’s periodic reports, such as annual and quarterly reports when available, which typically include detailed financial statements, management’s discussion of results, and information about business segments and risk factors. In addition, filings related to executive compensation and governance, referenced in the company’s proxy statements, provide context on compensation practices and potential payments upon termination or change in control.
The platform enhances these filings with AI-powered summaries and highlights that explain key sections, such as revenue composition, segment performance, and descriptions of material transactions. Real-time updates from EDGAR help ensure that new Ciena filings, including future 10-Ks, 10-Qs, and Form 4 insider transaction reports when filed, are quickly available with simplified explanations to support deeper analysis of the company’s regulatory disclosures.
Ciena Corporation (CIEN) insider activity: A senior officer, the SVP Global Products & Supply, reported selling 111 shares of Ciena common stock on 11/17/2025 in an open market transaction coded as a sale. The shares were sold at a price of $190.8 per share under a pre-arranged Rule 10b5-1 trading plan dated 09/06/2024, which is designed to allow trading under preset instructions. After this transaction, the reporting person beneficially owned 40,542 shares, and this figure includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
Ciena Corporation senior vice president and chief strategy officer David M. Rothenstein reported a sale of company stock. On 11/17/2025, he sold 2,500 shares of Ciena common stock in an open market transaction under a pre-arranged Rule 10b5-1 trading plan dated 12/23/2024. The filing states a weighted average sale price of $191.7246 per share, with individual trades executed in a price range from $189.39 to $195.38. After this transaction, Rothenstein beneficially owns 183,190 Ciena shares, which the report notes include unvested restricted stock units (RSUs) and performance stock units (PSUs). The form confirms this is a filing by one reporting person and that the shares are held directly.
Ciena Corporation (CIEN) senior vice president of Global R&D, Dino Diperna, reported a sale of company stock in a Form 4 filing. On 11/17/2025, he sold 1,241 shares of Ciena common stock at a price of $190.8 per share. The filing states that this sale was made under a Rule 10b5-1 trading plan dated 7/11/2025, which is a pre-arranged plan for trading company stock. Following the reported transaction, Diperna beneficially owns 38,047 shares of Ciena common stock, and this amount includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
Ciena (CIEN) insider filed a Form 144 to sell 2,500 common shares. The planned sale is through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $479,275 and an approximate sale date of 11/17/2025. The 2,500 shares were acquired as restricted stock units from the issuer on 03/20/2023.
Over the prior three months, the same seller, identified as David Rothenstein, sold 2,500 common shares on 09/15/2025 for gross proceeds of $330,000 and another 2,500 shares on 10/15/2025 for gross proceeds of $425,543 under Rule 10b5-1 sales instructions. Shares outstanding were 141,055,908 at the time referenced for this notice.
A holder of CIEN common stock filed a Form 144 notice covering a proposed sale of 2,482 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of 473,565.60. The shares were acquired from the issuer as restricted stock on multiple dates in 2023 and 2024. The notice also reports that the seller disposed of 734 shares of common stock during the past three months for gross proceeds of 124,310.24. The filing states that by signing, the seller represents that they are not aware of undisclosed material adverse information about the issuer.
CIEN has a Form 144 notice indicating a planned sale of restricted common stock. The seller intends to sell 111 common shares through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $21,178.80. The filing notes that there were 141,055,908 shares of this class outstanding and lists an approximate sale date of 11/17/2025.
The 111 shares to be sold were acquired as restricted stock from the issuer on 06/20/2024, with payment also dated 06/20/2024 and described as not applicable for non-cash consideration. Over the past three months, the same seller, Brodie Gage, reported additional sales of the issuer’s common shares: 350 shares on 09/15/2025 for gross proceeds of $46,200.00 and 350 shares on 10/15/2025 for gross proceeds of $59,276.00.
Ciena (CIEN) CEO and Director Gary B. Smith reported an open‑market sale of 6,800 shares of common stock on 11/10/2025 under a Rule 10b5-1 trading plan dated 9/11/2024. The weighted average sales price was $209.4521, with individual trades executed between $206.29 and $213.48. Following the transaction, Smith beneficially owns 261,670 shares directly; this total includes unvested RSUs and PSUs.
Ciena (CIEN) CEO and Director Gary B. Smith reported an insider sale on 11/03/2025. He sold 6,800 shares of common stock pursuant to a Rule 10b5-1 trading plan dated 09/11/2024.
The weighted-average price was $190.451, with trades executed between $188.2450 and $192.3400. Following the transaction, Smith beneficially owns 268,470 shares, held directly; this total includes unvested RSUs and PSUs.
CIENA (CIEN) insider transaction: SVP and Chief Strategy Officer David M. Rothenstein reported the sale of 2,500 shares of common stock on 10/15/2025. The transaction was executed under a Rule 10b5-1 trading plan dated 12/23/2024.
The shares were sold at a weighted average price of $170.2172, with individual trades occurring between $167.9600 and $172.7600. Following the sale, he beneficially owns 185,690 shares, which include unvested RSUs and PSUs. Ownership is reported as direct.
Ciena Corporation (CIEN) reported an insider transaction: President & CEO and Director Gary B. Smith sold 6,800 shares of common stock on 10/15/2025 in an open-market trade under a Rule 10b5-1 trading plan dated 09/11/2024. The filing lists a weighted average price of $170.2509, with individual sales executed between $167.1500 and $172.6900.
Following the sale, Smith beneficially owns 275,270 shares directly. The reported holdings include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).