Gary B. Smith plans sale of 17,712 CIEN shares

Gary B. Smith has submitted a Form 144 notice relating to CIEN common stock.

Rhea-AI Filing Summary

Gary B. Smith has submitted a Form 144 notice relating to CIEN common stock. The notice lists 17,712 shares of common stock in the “Securities To Be Sold” section, acquired on 12/20/2024 as compensation through Restricted Stock Units from the issuer, with Goldman Sachs & Co. LLC referenced in the Securities Information section and NYSE noted as the trading market.

The notice also describes multiple prior sales over the past three months, each for 1,476 shares of common stock on various dates in April, May, June, and July 2026, with differing monetary amounts reported for each transaction. This outlines recent trading activity in CIEN shares by the same individual.

Key Figures

Shares to be sold: 17,712 shares Acquisition date: 12/20/2024 Recent sale block size: 1,476 shares +3 more

6 metrics

Shares to be sold 17,712 shares Listed in the Securities To Be Sold section for CIEN common stock

Acquisition date 12/20/2024 Date the 17,712 shares were acquired as compensation through Restricted Stock Units

Recent sale block size 1,476 shares Share amount for each transaction in Securities Sold During The Past 3 Months

Associated future date 07/15/2026 Date listed in the Securities Information section for the planned sale entry

Example prior sale amount 667202.33 Monetary figure for a 1,476-share CIEN common stock sale on 06/15/2026

Associated monetary figure 7411763.52 Amount disclosed alongside 17,712 CIEN common shares in Securities Information

Key Terms

Securities To Be Sold, Restricted Stock Units, Securities Sold During The Past 3 Months, Common Stock

4 terms

Securities To Be Sold regulatory

"144: Securities To Be Sold Common Stock | 12/20/2024 | Acquired as compensation"

Restricted Stock Units financial

"Acquired as compensation -- Restricted Stock Units | Issuer"

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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months Gary B. Smith 7035 Ridge Road"

Common Stock financial

"Common Stock | Goldman Sachs & Co. LLC 200 West Street New York NY 10282"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What sale of CIEN common stock does Gary B. Smith plan in this Form 144?

Gary B. Smith plans to sell 17,712 shares of CIEN common stock. A Form 144 notice lists these 17,712 shares in the Securities To Be Sold section, identifying them as common stock associated with trading on the NYSE.

How were the 17,712 CIEN shares in the Form 144 acquired and when?

The 17,712 CIEN shares were acquired on 12/20/2024 as compensation. The notice explains they were received as Restricted Stock Units from the issuer, classifying the acquisition type as compensation rather than an open-market purchase.

Which broker and market are associated with the planned CIEN share sale?

Goldman Sachs & Co. LLC and the NYSE are associated with the shares. In the Securities Information section, Goldman Sachs & Co. LLC is listed alongside the CIEN common stock, with NYSE indicated as the exchange where the stock trades.

What recent CIEN stock sales over the past three months are disclosed?

The notice lists repeated sales of 1,476 CIEN shares per transaction. These occurred on dates including 04/15/2026, 05/01/2026, 05/15/2026, 06/01/2026, 06/15/2026, and 07/01/2026, each with specific monetary amounts reported.

What does the Form 144 notice for CIEN indicate overall?

It provides notice of a planned sale of 17,712 shares and recent trading activity. The document specifies the number of CIEN shares to be sold, how they were acquired, the broker and exchange, and prior three‑month sales.

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

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Accepted by SEC EDGAR 07/15/2026 - 05:21 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	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	7035 Ridge Road Hanover MARYLAND 21076
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	17712	7411763.52	141552922	07/15/2026	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			17712	12/20/2024	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 7035 Ridge Road Hanover MD 21076	Common Stock	06/15/2026	1476	667202.33
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	06/01/2026	1476	831066.08
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	06/15/2026	1476	681927.06
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	05/15/2026	1476	836162.56
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	04/15/2026	1476	696301.52
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	05/15/2026	1476	823012.88
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	04/15/2026	1476	683674.34
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	05/01/2026	1476	798150.39
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	05/01/2026	1476	789264.28
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	07/01/2026	1476	684443.34
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	07/01/2026	1476	699528.65
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	06/01/2026	1476	839530.79

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	07/15/2026
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)