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.
Ciena Corporation filings document regulatory disclosures for a public networking-technology company focused on high-speed connectivity, optical systems, interconnects, automation software and services. Recent Form 8-K reports cover operating and financial results, investor presentation exhibits, material-event disclosures, material agreements, capital-structure matters and the completed acquisition of Nubis Communications.
Proxy and annual-meeting filings disclose governance matters, director elections, auditor ratification, advisory executive-compensation votes and related shareholder voting results. These records frame Ciena’s reporting around operating performance, corporate governance, ownership and compensation procedures, acquisition-related events and other formal disclosure obligations.
Ciena Corp. (CIEN) received a Form 144 notice for a proposed sale of restricted shares under Rule 144. An individual shareholder, Brodie Gage, plans to sell 350 shares of common stock with an aggregate market value of $59,276, with an approximate sale date of 10/15/2025. The shares would be sold on the NYSE through Morgan Stanley Smith Barney LLC Executive Financial Services.
The shares to be sold were acquired as restricted stock on 06/20/2024. The filing also lists recent activity: Brodie Gage sold 350 shares on 09/15/2025 for $46,200 and 350 shares on 08/15/2025 for $31,829. Form 144 is a notice of a proposed sale by an affiliate or other covered holder and does not itself register securities.
Ciena (CIEN): A shareholder filed a Form 144 to sell up to 734 shares of common stock, with an aggregate market value of $124,310.24.
The broker is Morgan Stanley Smith Barney LLC Executive Financial Services, and the shares are expected to be sold on or about 10/15/2025 on the NYSE. The filer reports acquiring 734 restricted shares from the issuer on 09/20/2025. Shares outstanding were 141,055,908; this is a baseline figure, not the amount being sold.
Ciena Corporation announced the completion of its acquisition of privately-held Nubis Communications, Inc. on October 7, 2025. Nubis is described as a developer of high-performance, ultra-compact, low-power optical and electrical interconnects designed to support artificial intelligence (AI) workloads. The notice confirms the transaction has closed but contains no financial terms, purchase price, or integration details in the provided excerpt.
Gary B. Smith, who is listed as President, CEO and a Director of CIENA CORP (CIEN), reported a sale of common stock on 10/01/2025. The filing shows 6,800 shares were disposed of under transaction code S at a weighted average price of $149.8764, leaving 282,070 shares beneficially owned after the sale. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan dated 9/11/2024. The reported share total includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). The Form 4 was signed on 10/02/2025.
T. Michael Nevens, a director of CIENA CORP (CIEN), reported a change in beneficial ownership dated 09/30/2025. The filing shows a disposition of 5,770 common shares under transaction code G, which the filer explains were given as a gift with no consideration received. After the reported transaction the reporting person beneficially owns 17,976 shares; the filing notes this total includes unvested Restricted Stock Units (RSUs). The Form 4 was filed individually by the reporting person and signed on behalf of the filer by Michelle Rankin.
Form 144 filed for CIENA CORP (CIEN) reports a proposed sale of 1,747 restricted common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $250,554.74. The filer reports 141,055,908 shares outstanding for the class and identifies an approximate sale date of 10/01/2025.
The securities were acquired as restricted stock from the issuer on 09/20/2025, with payment and acquisition dates matching 09/20/2025. The filer indicates no securities sold in the past three months for the account. The notice includes the required representation that the seller is not aware of undisclosed material adverse information.
CIENA Corp (CIEN) Form 144 notice: A proposed sale of 1,984 shares of common stock is reported through Morgan Stanley Smith Barney LLC, with an aggregate market value of $284,545.28 and approximately 141,055,908 shares outstanding. The filing lists an approximate sale date of 10/01/2025 on the NYSE. The securities are described as restricted stock acquired from the issuer on 09/20/2025, and no securities were reported sold by the reporting person in the prior three months. The filer affirms they are not aware of any undisclosed material adverse information and includes the standard signature and criminal liability notice.
CIENA CORP (CIEN) Form 144 disclosure: This notice reports a proposed sale of 1,863 common shares (restricted stock units) delivered on 09/20/2025, with an aggregate market value of $255,547.71, to be sold through Morgan Stanley Smith Barney on the NYSE approximately on 09/26/2025. The filer also disclosed prior 10b5-1 sales of 2,044 shares on 06/27/2025 for gross proceeds of $166,862.14. The securities were acquired from the issuer as RSUs and payment is noted as completed on the acquisition date.
Bruce L. Claflin, a director of CIENA CORP (CIEN), reported changes in his beneficial ownership on a Form 4 covering transactions dated 09/24/2025. The filing shows a sale of 8,461 shares at $140.12 and a gift of 4,386 shares for no consideration, leaving Mr. Claflin with 50,238 shares beneficially owned directly. The filing also discloses 11,136 shares held indirectly in a spousal trust for which he disclaims beneficial ownership. The reported holdings include unvested restricted stock units (RSUs). The Form 4 was signed on behalf of Mr. Claflin on 09/25/2025.
CIENA Corporation (CIEN) filed a Form 144 notifying the proposed sale of 8,461 shares of common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $1,185,555.32. The shares are scheduled for sale on or about 09/24/2025 on the NYSE. The filer acquired the shares as restricted stock on 03/20/2016 from the issuer and paid in full on that date. The filing reports 141,055,908 shares outstanding and states there were no securities sold by the filer in the past three months. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.