CIEN (NYSE: CIEN) Form 144 shows a 21,383-share sale and scheduled performance/restricted shares

Rhea-AI Filing Summary

Common stock sale notice by a broker/issuer representative for CIEN. The filing lists 21,383 Common shares sold on 01/15/2026 for a reported figure of 5,300,621.18. The excerpt also lists 19,393 performance shares (12/20/2025) and 2,621 restricted shares (03/20/2026) identified as securities to be sold.

Insights

Securities Lawyer

Form 144 records planned/resale transactions in restricted or control stock.

Form 144 is a statutory notice required when an affiliate proposes to sell restricted or control securities in reliance on Rule 144. The filing lists specific share counts and dates for performance shares and restricted stock, plus a disclosed sale of 21,383 shares on 01/15/2026.

These entries are administrative disclosures; cash‑flow treatment and whether sales were open‑market or private are not provided in the excerpt. Subsequent trading details would appear in broker reports or Form 4/Form 5 filings if required.

Key Figures

Shares sold (past 3 months): 21,383 shares Associated numeric figure: 5,300,621.18 Performance shares listed: 19,393 shares +1 more

4 metrics

Shares sold (past 3 months) 21,383 shares sale dated 01/15/2026

Associated numeric figure 5,300,621.18 number listed adjacent to the 01/15/2026 sale

Performance shares listed 19,393 shares Performance Shares dated 12/20/2025

Restricted stock listed 2,621 shares Restricted Stock dated 03/20/2026

Key Terms

Form 144, Performance Shares, Restricted Stock, Issuer

4 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Performance Shares financial

"Common | 12/20/2025 | Performance Shares"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

Restricted Stock financial

"Common | 03/20/2026 | Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Issuer regulatory

"Performance Shares ... | Issuer"

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	22014	9021271.16	141398427	04/01/2026	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	12/20/2025	Performance Shares	Issuer			19393	12/20/2025	Not Applicable
Common	03/20/2026	Restricted Stock	ISSUER			2621	03/20/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
JASON PHIPPS 7035 RIDGE ROAD HANOVER MD 21076	Common	01/15/2026	21383	5300621.18

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 the CIEN Form 144 disclose?

It discloses a reported sale of 21,383 common shares on 01/15/2026. The filing also lists 19,393 performance shares (12/20/2025) and 2,621 restricted shares (03/20/2026) as securities to be sold.

Who is the registered seller in the CIEN Form 144?

The excerpt names Jason Phipps with an address in Hanover, MD, as the person associated with a sale of 21,383 shares on 01/15/2026. The filing shows broker/issuer contact information for execution details.

Does the Form 144 show proceeds from the CIEN sale?

The filing shows a numeric figure of 5,300,621.18 adjacent to the listed sale of 21,383 shares. The excerpt does not specify whether this is gross proceeds, net proceeds, or another labeled amount.

Are the performance and restricted shares listed as immediate sales?

The filing lists 19,393 performance shares dated 12/20/2025 and 2,621 restricted shares dated 03/20/2026 under "Securities To Be Sold." The excerpt does not state execution method or whether sales were completed.

Will this Form 144 change CIEN's outstanding share count?

The Form 144 lists planned or reported sales amounts but does not state total shares outstanding. The filing itself does not say whether these transactions altered the company’s issued or outstanding share count.