Form 144: 10b5-1 sale and RSUs reported

Morgan Stanley Smith Barney LLC filed a Rule 144 notice reporting proposed sales of Common stock connected to restricted stock units and a recent 10b5-1 sale by Marc Graff.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC filed a Rule 144 notice reporting proposed sales of Common stock connected to restricted stock units and a recent 10b5-1 sale by Marc Graff. The filing lists a sale date of 06/24/2026 and references restricted stock units dated 06/20/2026.

The document includes numeric entries such as 141,552,922 and 56,619.36 tied to securities fields; the filing is a standard Form 144 disclosure of intended or completed dispositions.

Insights

Compliance Officer

Routine Rule 144/Form 144 disclosure of officer/entity sales and RSU-related dispositions.

The filing records a 10b5-1 sale executed on 06/24/2026 by Marc Graff and notes restricted stock units dated 06/20/2026. It appears to be a compliance notice rather than a corporate financing action.

Cash‑flow treatment and beneficiaries are not detailed in the excerpt; subsequent filings or broker confirmations would show settlement and proceeds allocation.

Key Figures

Form date/reference: 07/01/2026 Shares figure listed: 141,552,922 Securities field value: 61,810.56 +3 more

6 metrics

Form date/reference 07/01/2026 Date associated with securities/filing fields

Shares figure listed 141,552,922 Numeric entry appearing in securities information

Securities field value 61,810.56 Numeric entry in securities information section

Reported sale amount 56,619.36 Amount linked to the 10b5-1 sale by Marc Graff on 06/24/2026

Restricted Stock Units date 06/20/2026 Date indicated for RSUs in the securities-to-be-sold rows

10b5-1 sale date 06/24/2026 Date of sale reported for Marc Graff under a 10b5-1 plan

Key Terms

Form 144, 10b5-1, Restricted Stock Units

3 terms

Form 144 regulatory

"Rule 144 notice reporting proposed sales of Common stock"

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.

10b5-1 regulatory

"10b5-1 Sales for MARC GRAFF recorded with a 06/24/2026 date"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Restricted Stock Units financial

"Securities To Be Sold section lists Restricted Stock Units dated 06/20/2026"

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.

What does the Form 144 for CIEN disclose about the transaction?

It discloses a reported sale activity and related RSUs dated 06/20/2026. The filing lists a 10b5-1 sale on 06/24/2026 by Marc Graff and identifies restricted stock units dated 06/20/2026.

Who executed the 10b5-1 sale noted in the CIEN filing?

The sale was executed by Marc Graff under a 10b5-1 arrangement. The filing shows his address and the sale date of 06/24/2026 as the reported transaction.

What numeric figures are listed in the CIEN Form 144 excerpt?

The excerpt lists 141,552,922, 61,810.56, and 56,619.36 in securities fields. These numbers appear in the filing's securities and sale‑amount fields tied to the listed dates.

Does the Form 144 state who receives proceeds from the sale?

No explicit proceeds recipient is named in the excerpt. The filing lists transaction dates and quantities; cash‑flow treatment is not detailed in the provided content.

Are the restricted stock units being sold or merely listed in the filing?

The filing lists Restricted Stock Units dated 06/20/2026 alongside securities-to-be-sold entries. The excerpt records them in the transaction rows but does not elaborate further.

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

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Accepted by SEC EDGAR 07/01/2026 - 05:00 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	0002080157
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	4106945700
Name of Person for Whose Account the Securities are To Be Sold	MARC GRAFF
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	126	61810.56	141552922	07/01/2026	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	06/20/2026	Restricted Stock Units	Issuer			126	06/20/2026	N/A

* 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
10b5-1 Sales for MARC GRAFF 7035 Ridge Road Hanover MD 21076	Common	06/24/2026	126	56619.36

144: Remarks and Signature

Remarks
Date of Notice	07/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/25/2026
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/ Marc Graff
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)