Ciena SVP has shares withheld for RSU taxes

Ciena Corp senior executive Joseph Cumello reported routine tax-related share withholdings.

Rhea-AI Filing Summary

Ciena Corp senior executive Joseph Cumello reported routine tax-related share withholdings. On March 20, 2026, a total of 1,527 shares of Ciena common stock were withheld to cover his tax liabilities arising from several previously granted restricted stock unit (RSU) awards.

These Form 4 transactions, coded "F", reflect shares delivered back to the company for taxes, not open-market sales. After these withholdings, Cumello directly holds 47,948 shares of Ciena common stock, which the disclosure states include unvested RSUs and performance stock units (PSUs).

Insider Trade Summary

Exercise Price or Tax Liability: 1,527 shares

Exercise Price or Tax Liability 5 txns

Insider Cumello Joseph

Role SVP, General Mgr. Blue Planet

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	179	$383.89	$69K
Exercise Price or Tax Liability	Common Stock	307	$383.89	$118K
Exercise Price or Tax Liability	Common Stock	128	$383.89	$49K
Exercise Price or Tax Liability	Common Stock	582	$383.89	$223K
Exercise Price or Tax Liability	Common Stock	331	$383.89	$127K

Holdings After Transaction: Common Stock — 47,948 shares (Direct)

Footnotes (6)

1. F1. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
2. F2. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
3. F3. 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 2/3/2023.
4. F4. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 2/1/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 2/3/2023.
5. F5. 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.
6. F6. 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.

FAQ

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

What insider transaction did Ciena (CIEN) report for Joseph Cumello?

Ciena reported that SVP Joseph Cumello had 1,527 common shares withheld on March 20, 2026 to cover tax liabilities from vested RSU awards. These are Form 4 code "F" transactions, reflecting tax payments rather than open-market buying or selling.

Were Joseph Cumello’s Ciena (CIEN) Form 4 transactions open-market sales?

No, the Form 4 shows tax-withholding dispositions, not open-market sales. Shares were surrendered to satisfy tax obligations tied to previously granted restricted stock unit awards, as described in the footnotes, rather than sold on the stock market for cash proceeds.

How many Ciena (CIEN) shares does Joseph Cumello hold after these transactions?

After the March 20, 2026 tax-withholding transactions, Joseph Cumello directly holds 47,948 shares of Ciena common stock. Footnotes note that this figure includes unvested restricted stock units (RSUs) and performance stock units (PSUs) credited to his equity holdings.

What is the significance of Form 4 code "F" in the Ciena (CIEN) filing?

Code "F" indicates shares were disposed of to pay the exercise price or tax liability. In this case, multiple RSU awards vesting on March 20, 2026 triggered 1,527 shares being withheld to cover Cumello’s taxes, a routine administrative transaction for equity compensation.

Which equity awards triggered tax withholding for Ciena (CIEN) executive Joseph Cumello?

Footnotes state the withheld shares relate to RSU award agreements dated December 13, 2022, February 1, 2023, December 12, 2023, December 17, 2024, and December 16, 2025. Each award’s vesting created tax liabilities covered by returning shares to the issuer.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 03/24/2026 - 07:12 PM Learn about SEC filing dates

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).

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^*

Cumello Joseph

(Last) (First) (Middle)

C/O CIENA CORPORATION

7035 RIDGE RD.

(Street)

HANOVER MARYLAND 21076-1426

(City) (State) (Zip)

UNITED STATES

(Country)

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, General Mgr. Blue Planet

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

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

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

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

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	03/20/2026		F		179(1)	D	$383.89	49,296(2)	D
Common Stock	03/20/2026		F		307(3)	D	$383.89	48,989(2)	D
Common Stock	03/20/2026		F		128(4)	D	$383.89	48,861(2)	D
Common Stock	03/20/2026		F		582(5)	D	$383.89	48,279(2)	D
Common Stock	03/20/2026		F		331(6)	D	$383.89	47,948(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 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.

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 2/3/2023.

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 2/1/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 2/3/2023.

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 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.

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 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.

	By: Michelle Rankin For: Joseph Cumello	03/24/2026
	** 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.
* Form 4: SEC 1474 (03-26)