[Form 4] CIENA CORP Insider Trading Activity

Rhea-AI Filing Summary

Ciena Corporation (CIEN) insider activity: A senior officer, the SVP Global Products & Supply, reported selling 111 shares of Ciena common stock on 11/17/2025 in an open market transaction coded as a sale. The shares were sold at a price of $190.8 per share under a pre-arranged Rule 10b5-1 trading plan dated 09/06/2024, which is designed to allow trading under preset instructions. After this transaction, the reporting person beneficially owned 40,542 shares, and this figure includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gage Brodie

(Last) (First) (Middle)

C/O CIENA CORPORATION

7035 RIDGE RD.

(Street)

HANOVER MD 21076-1426

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CIENA CORP [ CIEN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP Global Products & Supply

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/17/2025		S		111(1)	D	$190.8	40,542(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Sales were affected pursuant to Rule 10b5-1 trading plan dated 09/06/2024

2. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

	By: Michelle Rankin For: BRODIE GAGE	11/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did CIENA (CIEN) report in this Form 4?

The SVP Global Products & Supply of Ciena Corporation (CIEN) reported selling 111 shares of Ciena common stock on 11/17/2025 in a transaction coded as a sale.

At what price were the CIEN shares sold in the reported insider transaction?

The reported sale of Ciena (CIEN) common stock was executed at a price of $190.8 per share.

How many CIENA (CIEN) shares does the insider beneficially own after the transaction?

Following the reported sale, the insider beneficially owns 40,542 shares of Ciena (CIEN), which includes unvested RSUs and PSUs.

Was the CIEN insider sale made under a Rule 10b5-1 trading plan?

Yes. The sale of Ciena (CIEN) shares was effected pursuant to a Rule 10b5-1 trading plan dated 09/06/2024, which provides pre-set instructions for trading.

Who is the reporting person in this CIENA (CIEN) Form 4 filing?

The reporting person is an officer of Ciena Corporation (CIEN), serving as SVP Global Products & Supply, and filed the form as a single reporting person.

Does the reported CIEN beneficial ownership include unvested equity awards?

Yes. The 40,542 shares of beneficial ownership in Ciena (CIEN) reported by the insider include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).