Insider plans sale of 21,383 shares

An affiliate of the issuer has filed a notice of proposed sale under Rule 144 for 21,383 shares of common stock, to be sold through Morgan Stanley Smith Barney LLC on the NYSE.

Rhea-AI Filing Summary

An affiliate of the issuer has filed a notice of proposed sale under Rule 144 for 21,383 shares of common stock, to be sold through Morgan Stanley Smith Barney LLC on the NYSE. The filing lists an aggregate market value of $5,300,621.18 for these shares, with 140,854,735 common shares outstanding at the time of the notice.

The shares to be sold were acquired directly from the issuer as 4,926 performance shares on 12/20/2022 and 16,457 restricted stock shares on 09/20/2018, both noted as not involving additional cash payment at acquisition. By signing, the seller represents they are not aware of undisclosed material adverse information about the issuer’s current or prospective operations.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the CIEN Form 144 filing disclose about planned share sales?

The filing discloses a proposed sale under Rule 144 of 21,383 shares of common stock with an aggregate market value of $5,300,621.18, to be sold on the NYSE.

Who is the broker for the planned CIEN Rule 144 share sale?

The planned sale of CIEN common shares will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, NY 10004.

How many CIEN shares are outstanding in this Form 144 notice?

The notice states that there are 140,854,735 shares of common stock outstanding for the issuer at the time of the filing.

When were the CIEN shares in this Form 144 filing originally acquired?

The filing shows 4,926 performance shares acquired on 12/20/2022 and 16,457 restricted stock shares acquired on 09/20/2018, both directly from the issuer.

What is the approximate sale date in the CIEN Rule 144 filing?

The planned approximate date of sale listed is 01/15/2026 for the 21,383 common shares to be sold on the NYSE.

Does the CIEN Form 144 include any representation about undisclosed information?

Yes. By signing, the selling person represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/15/2026 - 04:03 PM Learn about SEC filing dates

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	0001699193
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CIENA CORPORATION
SEC File Number	001-36250
Address of Issuer	7035 RIDGE ROAD HANOVER MARYLAND 21076
Phone	(410) 694-5700
Name of Person for Whose Account the Securities are To Be Sold	JASON PHIPPS
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	Officer

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	21383	5300621.18	140854735	01/15/2026	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	12/20/2022	Performance Shares	ISSUER			4926	12/20/2022	Not Applicable
Common	09/20/2018	Restricted Stock	ISSUER			16457	09/20/2018	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	The securities to be sold were acquired upon the vesting of restricted stock during the period of 09/20/2018 through 12/20/2025. The securities to be sold were acquired upon the vesting of performance shares during the period of 12/20/2022 through 12/20/2024
Date of Notice	01/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	10/06/2025
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	/s/ Jason Matthew Phipps
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)