Ciena (CIEN) SVP has shares withheld to cover RSU tax liabilities

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Ciena Corp senior vice president Joseph Cumello reported routine share dispositions related to tax withholding on equity awards. On June 20, 2026, he had five non-derivative transactions coded "F," where a total of 1,717 shares of common stock were withheld at $428.22 per share to cover tax liabilities from previously granted restricted stock units.

The filing notes that his reported holdings still include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs), indicating that these events are tied to equity compensation vesting rather than open-market selling.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Cumello Joseph

Role SVP, General Mgr. Blue Planet

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	441	$428.22	$189K
Tax Withholding	Common Stock	182	$428.22	$78K
Tax Withholding	Common Stock	582	$428.22	$249K
Tax Withholding	Common Stock	332	$428.22	$142K
Tax Withholding	Common Stock	180	$428.22	$77K

Holdings After Transaction: Common Stock — 45,734 shares (Direct, null)

Footnotes (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 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). 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. 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. 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. 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.

Key Figures

Tax-withheld shares: 1,717 shares Implied share value: $428.22 per share Tax-withholding transactions: 5 transactions

3 metrics

Tax-withheld shares 1,717 shares Common Stock withheld for RSU-related tax liabilities

Implied share value $428.22 per share Value used for all Code F tax-withholding dispositions

Tax-withholding transactions 5 transactions Non-derivative dispositions on June 20, 2026 coded F

Key Terms

Restricted Stock Unit (RSU), Performance Stock Units (PSUs), tax-withholding disposition, Form 4

4 terms

Restricted Stock Unit (RSU) financial

"related to a restricted stock unit (RSU) award agreement dated 12/13/2022"

A restricted stock unit (RSU) is a promise from a company to give an employee company shares (or cash equal to their value) at a future date if certain conditions are met, such as staying with the company or hitting performance targets. For investors, RSUs matter because when they convert into actual shares they increase the number of shares available and can create selling pressure as employees cash out—think of them as a future paycheck paid in company stock.

Performance Stock Units (PSUs) financial

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

Performance stock units (PSUs) are a form of executive or employee pay that promise company shares only if pre-set performance goals are met over a defined period; think of them as a bonus paid in stock that arrives only when the company hits agreed targets. Investors watch PSUs because they affect the number of shares outstanding (dilution) and reveal how management’s pay is tied to financial or operational results, aligning incentives with shareholder outcomes.

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Form 4 regulatory

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

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

06/23/2026 - 01:32 PM

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)
06/20/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/20/2026		F		441⁽¹⁾	D	$428.22	45,734⁽²⁾	D
Common Stock	06/20/2026		F		182⁽³⁾	D	$428.22	45,552⁽²⁾	D
Common Stock	06/20/2026		F		582⁽⁴⁾	D	$428.22	44,970⁽²⁾	D
Common Stock	06/20/2026		F		332⁽⁵⁾	D	$428.22	44,638⁽²⁾	D
Common Stock	06/20/2026		F		180⁽⁶⁾	D	$428.22	44,458⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023.

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 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.

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 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.

	By: Michelle Rankin For: Joseph Cumello	06/22/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

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

Ciena reported that SVP Joseph Cumello had shares withheld to cover taxes on vested RSUs. Five transactions coded “F” disposed of 1,717 common shares, reflecting tax-withholding events linked to prior equity awards, not open-market stock sales.

How many Ciena (CIEN) shares were withheld for Joseph Cumello’s RSU taxes?

A total of 1,717 Ciena common shares were withheld to cover Joseph Cumello’s tax liabilities. These shares relate to multiple RSU award agreements that had previously been disclosed, and the dispositions were recorded at a value of $428.22 per share.

At what price were Joseph Cumello’s Ciena (CIEN) tax-withheld shares valued?

The tax-withheld Ciena shares for Joseph Cumello were valued at $428.22 per share. This price was used for all five non-derivative transactions coded “F,” which represent payment of tax obligations tied to vesting of RSU awards.

Do Joseph Cumello’s reported Ciena (CIEN) transactions represent open-market sales?

No, the reported transactions are not open-market sales. Each is coded “F,” meaning shares were withheld to pay tax liabilities from RSU vesting. The filing specifies these dispositions satisfy tax obligations related to previously granted restricted stock unit awards.

What equity awards are associated with Joseph Cumello’s Ciena (CIEN) tax-withholding events?

The tax-withholding events are tied to multiple restricted stock unit award agreements dated in 2022, 2023, 2024, and 2025. Footnotes explain that previously reported RSU grants vested, and shares were withheld to cover Joseph Cumello’s related income tax liabilities.

Does Joseph Cumello still hold unvested Ciena (CIEN) equity after these transactions?

Yes, the filing states his reported holdings include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). This means he retains additional unvested equity awards in Ciena beyond the shares withheld to satisfy tax liabilities on vested RSUs.