[Form 4] Ciena Corporation Insider Trading Activity

Rhea-AI Filing Summary

Ciena Corporation (CIEN) SVP of Global Products & Supply, Brodie Gage, reported multiple tax-related share dispositions on June 20, 2025. The transactions involved the withholding of shares to cover tax liabilities related to various Restricted Stock Unit (RSU) awards:

• 204 shares at $74.53 (from 10/27/2023 RSU award)
• 442 shares at $74.53 (from 12/13/2022 RSU award)
• 669 shares at $74.53 (from 12/12/2023 RSU award)
• 388 shares at $74.53 (from 12/17/2024 RSU award)
• 212 shares at $74.53 (from 12/14/2021 RSU award)

Following these transactions, Gage beneficially owns 43,968 shares, which includes unvested RSUs and Performance Stock Units (PSUs). The Form 4 was filed by Michelle Rankin on behalf of Brodie Gage on June 23, 2025.

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

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

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)
06/20/2025

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	06/20/2025		F		204(1)	D	$74.53	45,679(2)	D
Common Stock	06/20/2025		F		442(3)	D	$74.53	45,237(2)	D
Common Stock	06/20/2025		F		669(4)	D	$74.53	44,568(2)	D
Common Stock	06/20/2025		F		388(5)	D	$74.53	44,180(2)	D
Common Stock	06/20/2025		F		212(6)	D	$74.53	43,968(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. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 10/27/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 10/31/2023.

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

3. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 10/31/2023.

4. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.

5. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.

6. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 10/31/2023.

	By: Michelle Rankin For: Brodie Gage	06/23/2025
	** 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

How many CIEN shares did SVP Brodie Gage sell on June 20, 2025?

On June 20, 2025, Brodie Gage had a total of 1,915 shares withheld (not sold directly) to cover tax liabilities from various RSU awards. This consisted of 204, 442, 669, 388, and 212 shares, all disposed of at a price of $74.53 per share.

What is Brodie Gage's current position at CIEN?

Brodie Gage serves as SVP Global Products & Supply at Ciena Corporation (CIEN), as indicated in the Form 4 filing.

How many CIEN shares does Brodie Gage own after the June 20, 2025 transactions?

After the reported transactions, Brodie Gage beneficially owns 43,968 shares, which includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). All shares are held directly (D).

What was the purpose of CIEN's share dispositions on June 20, 2025?

The shares were withheld by Ciena Corporation to cover tax liabilities related to various Restricted Stock Unit (RSU) award agreements granted between December 2021 and December 2024. These were not open market sales but rather automatic withholdings for tax purposes.

What was the price of CIEN shares for the tax withholding transactions?

All shares were withheld at a price of $74.53 per share on June 20, 2025.