Ciena officer Gary B. Smith plans $5.26M share sale

The proposed sale is listed alongside 141,808,525 shares of common stock outstanding.

Rhea-AI Filing Summary

Ciena Corporation officer Gary B. Smith gave notice of a planned sale of 14,760 common shares, with an aggregate market value of $5,262,235.2 and an approximate sale date of October 15, 2026. Goldman Sachs & Co. LLC is listed as broker. The shares were acquired as compensation through restricted stock units: 7,322 shares on December 20, 2024, and 7,438 shares on March 20, 2025. Smith’s proposed sales are connected with a selling plan dated October 4, 2025, intended to comply with Rule 10b5-1(c).

Key Figures

Common shares to be sold: 14,760 shares Aggregate market value: $5,262,235.2 Shares outstanding: 141,808,525 shares +2 more

5 metrics

Common shares to be sold 14,760 shares Approximate sale date October 15, 2026

Aggregate market value $5,262,235.2 Proposed Common Stock sale

Shares outstanding 141,808,525 shares Common Stock

Compensation shares acquired 7,322 shares Restricted stock units acquired December 20, 2024

Compensation shares acquired 7,438 shares Restricted stock units acquired March 20, 2025

Key Terms

Rule 144, Rule 10b5-1(c), Restricted Stock Units

3 terms

Rule 144 regulatory

"definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Rule 10b5-1(c) regulatory

"intended to comply with Rule 10b5-1(c)"

Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.

Restricted Stock Units financial

"Acquired as compensation -- Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

FAQ

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

How many CIEN shares does Gary B. Smith plan to sell?

Gary B. Smith, an officer of Ciena Corporation, plans to sell 14,760 shares of common stock, with an aggregate market value of $5,262,235.2 and an approximate sale date of October 15, 2026; Goldman Sachs & Co. LLC is listed as broker.

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

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Available on EDGAR 10/15/2026 - 06:16 PM EDT Accepted by SEC EDGAR 10/15/2026 - 06:16 PM EDT 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	0001032553
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	8150 Maple Lawn Blvd Suite 300 Fulton MARYLAND 20759
Phone	1-410-694-5700
Name of Person for Whose Account the Securities are To Be Sold	Gary B. Smith
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 Stock	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	14760	5262235.2	141808525	10/15/2026	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 Stock	12/20/2024	Acquired as compensation -- Restricted Stock Units	Issuer			7322	12/20/2024	Compensation
Common Stock	03/20/2025	Acquired as compensation -- Restricted Stock Units	Issuer			7438	03/20/2025	Compensation

* 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
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	09/01/2026	1476	539142.06
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	09/01/2026	1476	532135.79
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	07/15/2026	1476	629628.24
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	09/15/2026	1476	482502.04
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	09/15/2026	1476	492186.07
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	08/03/2026	1476	572477.52
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	08/03/2026	1476	548734.59
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	10/01/2026	1476	555887.87
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	08/17/2026	1476	653287.05
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	08/17/2026	1476	668553.31
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	10/01/2026	1476	535350.07
Gary B. Smith 8150 Maple Lawn Blvd Suite 300 Fulton MD 20759	Common Stock	07/15/2026	1476	613469.73

144: Remarks and Signature

Remarks	The sales of shares set forth herein are made in connection with a selling plan dated October 4, 2025 that is intended to comply with Rule 10b5-1(c).
Date of Notice	10/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	10/04/2025
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	Goldman Sachs & Co. LLC on behalf of Gary B. Smith
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)