CIENA insider files Form 144 to sell 1,984 shares valued at $284,545

Rhea-AI Filing Summary

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.

Insights

Securities Filing Analyst

TL;DR: Routine Form 144 reporting a small proposed insider sale, likely non-material to CIEN's capital structure.

The notice documents a proposed sale of 1,984 shares valued at $284,545.28 and routed through Morgan Stanley Smith Barney LLC, with an approximate sale date of 10/01/2025. Compared with the reported 141,055,908 shares outstanding, the volume represents a negligible fraction of outstanding equity. The filing identifies the shares as restricted stock acquired from the issuer and contains the standard attestation about no undisclosed material adverse information. There is no disclosure of related trading plans beyond the Rule 10b5-1 notice language and no sales in the prior three months.

Corporate Governance Specialist

TL;DR: Procedural disclosure consistent with insider sale requirements; no governance red flags disclosed.

The Form 144 provides required broker and securities details and the representation that the seller is not aware of undisclosed material adverse information. The filing does not indicate any unusual terms, litigation holds, or governance-related restrictions. Because the disclosed sale size is small relative to total shares outstanding and no prior three-month sales are reported, this appears to be a routine compliance filing rather than a signal of company-specific governance or disclosure concerns.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1984	284545.28	141055908	10/01/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/20/2025	Restricted Stock	ISSUER			1984	09/20/2025	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does CIEN's Form 144 report?

The filing reports a proposed sale of 1,984 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $284,545.28 and an approximate sale date of 10/01/2025.

How large is the reported sale relative to CIEN's outstanding shares?

The filing lists 141,055,908 shares outstanding; the proposed sale of 1,984 shares is a negligible fraction of that total.

What type of shares are being sold according to the filing?

The securities are identified as restricted stock acquired from the issuer, with an acquisition date shown as 09/20/2025.

Did the filer report any sales in the prior three months?

No. The section for securities sold during the past three months states Nothing to Report.

Does the filing indicate undisclosed material information?

The filer represents by signature that they do not know of any material adverse information about the issuer that has not been publicly disclosed.