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.
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).
CIENA (CIEN) reported an insider transaction by its SVP, Global Products & Supply. On 10/15/2025, the officer sold 350 shares of common stock at $169.36 per share pursuant to a Rule 10b5-1 trading plan dated 09/06/2024. After the sale, the officer directly beneficially owned 40,653 shares. The reported holdings include unvested RSUs and PSUs.
Ciena (CIEN) reported insider activity by its SVP Global R&D. On 10/15/2025, the officer executed two open‑market sales of common stock totaling 734 shares (367 + 367) at a price of $169.36 per share, made pursuant to a Rule 10b5‑1 trading plan dated 9/11/2024. Following these transactions, the officer reported 40,529 shares beneficially owned. The filing notes that the reported holdings include unvested RSUs and PSUs.
Ciena (CIEN) received a Form 144 notice indicating a proposed sale of 34,000 shares of common stock through Goldman Sachs & Co. LLC, with an aggregate market value of $5,736,140. The shares are listed on the NYSE with an approximate sale date of 10/15/2025. Shares outstanding were 141,055,908.
The seller previously acquired shares as compensation via restricted stock units: 17,799 on 12/20/2023, 10,416 on 03/20/2024, and 5,785 on 06/20/2024. Over the past three months, the filer executed multiple sales of 3,400 shares per transaction on several dates, with disclosed gross proceeds for each sale.
Ciena Corporation (CIEN) received a Rule 144 notice for a proposed sale of 2,500 shares of common stock with an aggregate market value of $412,050. The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services as broker, an approximate sale date of 10/15/2025, and the NYSE as the exchange. The filing shows 141,055,908 shares outstanding.
The shares to be sold were acquired via Restricted Stock Units on 03/20/2023. The document also lists recent 10b5-1 sales for David Rothenstein: 2,500 shares on 09/15/2025 for $330,000.00 and 2,500 shares on 08/15/2025 for $226,495.75.