Rule 144 Notice: Sheela Kosaraju Sells CIEN Shares

Sheela Kosaraju reported proposed and recent sales of Common stock under Rule 144.

Accepted by SEC EDGAR 04/01/2026 - 04:04 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Sheela Kosaraju reported proposed and recent sales of Common stock under Rule 144. The filing lists a sale of 1,748 shares on 01/02/2026 for $421,268.00 and a sale of 382 shares on 01/15/2026 for $94,059.86. The notice names Morgan Stanley Smith Barney LLC as the broker and lists restricted stock dated 03/20/2026 for planned sale.

Key Figures

Sale on 01/02/2026: 1,748 shares Proceeds on 01/02/2026: $421,268.00 Sale on 01/15/2026: 382 shares +3 more

6 metrics

Sale on 01/02/2026 1,748 shares sale reported for <date>01/02/2026</date>

Proceeds on 01/02/2026 $421,268.00 proceeds tied to 1,748-share sale on <date>01/02/2026</date>

Sale on 01/15/2026 382 shares sale reported for <date>01/15/2026</date>

Proceeds on 01/15/2026 $94,059.86 proceeds tied to 382-share sale on <date>01/15/2026</date>

Restricted stock date 03/20/2026 date listed for restricted stock to be sold

Broker listed Morgan Stanley Smith Barney LLC broker named on the filing

Key Terms

Rule 144, Restricted Stock, Proceeds

3 terms

Rule 144 regulatory

"Securities To Be Sold Restricted Stock ISSUER 03/20/2026"

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.

Restricted Stock financial

"Securities To Be Sold Common 03/20/2026 Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Proceeds financial

"01/02/2026 1748 421268.00"

FAQ

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

What transactions does the CIEN Form 144 show for Sheela Kosaraju?

The filing shows two transactions: 1,748 shares sold on 01/02/2026 for $421,268.00 and 382 shares sold on 01/15/2026 for $94,059.86. The broker listed is Morgan Stanley Smith Barney LLC.

Does the Form 144 list any planned or restricted sales for CIEN?

Yes. The notice lists Restricted Stock with a date of 03/20/2026 identified as securities to be sold. The document pairs that entry with Morgan Stanley Smith Barney LLC as the selling broker.

Who is the broker listed on the CIEN Form 144 filing?

The filing lists Morgan Stanley Smith Barney LLC, located at 1 New York Plaza, 8th Floor, New York, NY, as the broker. That broker is named in connection with the sales and the planned restricted-stock sale dated 03/20/2026.

What were the dollar amounts reported for the CIEN sales on the Form 144?

The reported proceeds are $421,268.00 for the 1,748-share sale on 01/02/2026 and $94,059.86 for the 382-share sale on 01/15/2026. Both amounts are shown in the filing.

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

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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	0001963781
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	(410) 694-5700
Name of Person for Whose Account the Securities are To Be Sold	SHEELA KOSARAJU
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	2012	808240.52	141398427	04/01/2026	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	03/20/2026	Restricted Stock	ISSUER			2012	03/20/2026	Not Applicable

* 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
SHEELA KOSARAJU 7035 RIDGE ROAD HANOVER MD 21076	Common	01/15/2026	382	94059.86
SHEELA KOSARAJU 7035 RIDGE ROAD HANOVER MD 21076	Common	01/02/2026	1748	421268.00

144: Remarks and Signature

Remarks
Date of Notice	04/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	10/14/2025
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	/s/ Sheela Kosaraju
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)