[144] Ciena Corporation SEC Filing

Rhea-AI Filing Summary

Ciena Corporation (CIEN) has filed a Form 144 indicating that an insider plans to sell 734 common shares through Morgan Stanley Smith Barney LLC on or about 15 July 2025 via the NYSE. The proposed transaction is valued at $60,606.38 and represents less than 0.001 % of CIEN’s 141,367,218 shares outstanding. The shares were acquired as restricted stock on 20 June 2025. No other insider sales were reported in the last three months, and the filing contains no additional financial or operational disclosures.

Insights

Corporate Governance Analyst

TL;DR: Very small insider sale; governance disclosure routine and immaterial to valuation.

The Form 144 reflects a proposed sale of only 734 shares, worth roughly $60 k, vs. a share count exceeding 141 million. Such a fraction (<0.001 %) is statistically insignificant and does not alter ownership structure or signal strategic intent. Because the shares were recently granted as restricted stock, the filing appears to be a standard liquidity move rather than a directional view on CIEN’s prospects. No red-flags such as clustered selling, accelerated timing, or non-public information concerns are evident. I view the impact on investors as neutral.

Portfolio Manager

TL;DR: Transaction is de minimis; should not influence portfolio positioning.

From a portfolio perspective, the dollar value and share count are trivial. Liquidity of CIEN averages well above 1 million shares daily, so the market can easily absorb 734 shares without price disruption. There are no accompanying operational metrics or guidance changes. Consequently, I classify this event as non-impactful and keep my investment thesis unchanged.

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	734	60606.38	141367218	07/15/2025	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	06/20/2025	Restricted Stock	ISSUER			734	06/20/2025	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

How many CIEN shares are being registered for sale under this Form 144?

The filing covers 734 common shares of Ciena Corporation.

What is the estimated value of the planned CIEN share sale?

The aggregate market value is $60,606.38 based on the figures disclosed.

When is the approximate sale date for the CIEN shares?

The insider intends to sell on or about 15 July 2025.

What percentage of CIEN’s outstanding shares does this sale represent?

It represents less than 0.001 % of the 141,367,218 shares outstanding.

Where will the CIEN shares be sold and through which broker?

Sales are planned on the NYSE via Morgan Stanley Smith Barney LLC.