[144] Ciena Corporation SEC Filing

Rhea-AI Filing Summary

Ciena Corporation (CIEN) – Form 144 notice of proposed insider sale

The filing discloses a planned disposition of 2,044 common shares of Ciena Corporation under Rule 144. The securities were acquired on 06/20/2025 through restricted stock units (RSUs). They are scheduled to be sold around 06/27/2025 through broker Morgan Stanley Smith Barney LLC, Executive Financial Services, New York.

Key figures

• Planned sale volume: 2,044 shares
• Aggregate market value (as stated in the notice): $166,606.44
• Ciena common shares outstanding: 141,367,218
• Percentage of outstanding shares represented by this sale: ≈0.0014%

The filer indicates no other sales during the past three months and makes the standard representation that no undisclosed material adverse information is known. No details about the seller’s identity or relationship to the issuer are included in the submission, and the “Remarks” section is blank.

Given the modest size relative to the company’s share count and the absence of accompanying negative disclosures, the transaction appears routine and is unlikely to have a material impact on Ciena’s capital structure or market liquidity.

Positive

• None.

Negative

• Insider share sale disclosed, which some investors may perceive as a modest negative signal despite its immaterial size.

Insights

Securities Analyst

TL;DR: Small Rule 144 sale (≈$167k, 0.0014% float); routine, immaterial to CIEN valuation.

The notice reveals an insider’s intent to sell 2,044 CIEN shares worth roughly $167k via Morgan Stanley on 06/27/2025. With 141.4 million shares outstanding, the sale equates to only about 0.0014% of the float, suggesting no pressure on liquidity or price. No prior 3-month sales or adverse information are noted, implying this is a straightforward liquidation of recently vested RSUs. Absent other context, I view the filing as neutral for investors.

Corporate Governance Expert

TL;DR: Routine RSU liquidation; no governance concerns flagged.

Rule 144 filings give visibility into insider activity. Here, the lack of seller identity and an empty remarks section offer little governance insight, but the low volume indicates an ordinary-course transaction, likely to cover taxes or diversify. No 10b5-1 plan adoption date is provided, but standard anti-fraud representations are affirmed. Overall governance impact is negligible.

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	2044	166606.44	141367218	06/27/2025	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	06/20/2025	Restricted Stock Units	Issuer			2044	06/20/2025	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

Nothing to Report

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

How many Ciena (CIEN) shares are planned for sale under this Form 144?

The filing covers 2,044 common shares.

What is the aggregate market value of the shares listed in the Form 144?

The notice states an aggregate market value of $166,606.44.

When is the approximate sale date for these CIEN shares?

The filer indicates an approximate sale date of 06/27/2025.

What percentage of Ciena’s outstanding shares does this sale represent?

The 2,044 shares equal roughly 0.0014% of the 141,367,218 shares outstanding.

Were any CIEN shares sold by the filer in the past three months?

No. The Form 144 states "Nothing to Report" regarding past three-month sales.