CIEN Form 144: Insider sale notices for Gary B. Smith

Ciena Corporation reported proposed affiliate sales via Form 144.

Rhea-AI Filing Summary

Ciena Corporation reported proposed affiliate sales via Form 144. The filing lists multiple proposed dispositions of Common Stock by Gary B. Smith, showing individual sale notices of 1,476 and 1,497 shares on various dates in 2026 and a grant dated 12/20/2024 described as Restricted Stock Units acquired as compensation. The entries include dollar amounts linked to each line item.

Insights

Insider Transactions Analyst

Routine affiliate sale notices by an executive; no new governance or material-financial claim.

The filing lists multiple Form 144 sale notices for Common Stock attributed to Gary B. Smith, with individual line items showing 1,476 and 1,497 shares on dates in Q1 2026 and proceeds-style dollar figures alongside each entry. These are standard Section 16 disclosure notices of proposed sales.

Cash-flow treatment and aggregate totals are not stated in the excerpt; subsequent SEC filings or reported trades will confirm execution and final proceeds.

Key Figures

Proposed line-item shares: 1,476 shares Proposed line-item shares: 1,497 shares Dollar figure (line item): $387,909.77 +2 more

5 metrics

Proposed line-item shares 1,476 shares multiple notices dated in 2026

Proposed line-item shares 1,497 shares notice dated 01/15/2026

Dollar figure (line item) $387,909.77 linked to a 02/02/2026 entry

Dollar figure (line item) $616,929.48 linked to a 04/01/2026 entry

RSU grant date 12/20/2024 Acquired as compensation -- Restricted Stock Units

Key Terms

Form 144, Restricted Stock Units, Issuer, Common Stock

4 terms

Form 144 regulatory

"Common Stock | Goldman Sachs & Co. LLC ... 04/15/2026 | NYSE"

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.

Restricted Stock Units financial

"12/20/2024 | 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.

Issuer regulatory

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

Common Stock market

"Securities To Be Sold Common Stock | 12/20/2024"

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 does Ciena (CIEN) Form 144 show about insider sales?

Form 144 lists proposed sales of Ciena common stock by an affiliate. The excerpt shows multiple notices by Gary B. Smith for 1,476 and 1,497 share line items on various 2026 dates, reflecting planned dispositions under Section 16 rules.

Do the Form 144 entries confirm the shares were sold?

No, Form 144 is a notice of proposed sale, not proof of execution. The filing shows proposed dispositions and associated dollar figures; executed trades would appear in subsequent transaction reports or Form 4 filings.

Were the listed shares acquired as compensation for CIEN?

Yes. The excerpt includes a grant dated 12/20/2024 described as Acquired as compensation -- Restricted Stock Units, indicating the source of at least some shares subject to the proposed sales.

Who is the reporting person in the excerpt and what is their role?

The reporting person named is Gary B. Smith, listed with an address. The filing attributes the proposed Common Stock dispositions to him; the excerpt does not state his corporate title.

Are aggregate sale amounts or proceeds provided in this excerpt?

The excerpt shows per-line dollar figures adjacent to each share entry (for example, 387,909.77), but it does not state an aggregate total or clarify whether these are estimated proceeds or another line-item value.

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

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Accepted by SEC EDGAR 04/15/2026 - 05:38 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	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	8426661.12	141398427	04/15/2026	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	02/02/2026	1476	387909.77
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	02/02/2026	1476	396146.74
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	03/02/2026	1476	519986.53
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	03/16/2026	1476	526194.44
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	03/16/2026	1476	535130.15
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	01/15/2026	1497	368114.25
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	01/15/2026	1496	373094.92
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	04/01/2026	1476	616929.48
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	04/01/2026	1476	609660.91
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	03/02/2026	1476	526906.61
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	02/17/2026	1476	448308.58
Gary B. Smith 7035 Ridge Road Hanover MD 21076	Common Stock	02/17/2026	1476	435848.63

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	04/15/2026
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)