Ciena (NYSE: CIEN) SVP Phipps has 2,374 shares withheld for RSU taxes

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Ciena Corp senior vice president of Global Sales and Marketing Jason Phipps reported tax-related share dispositions tied to restricted stock unit vesting. On March 20, 2026, a total of 2,374 shares of common stock were withheld at $383.89 per share to cover his tax liabilities.

The Form 4 shows four separate F-code transactions, all classified as tax-withholding dispositions rather than open‑market sales. After these withholdings, Phipps directly holds 89,391 shares of Ciena common stock, and this figure includes unvested RSUs and performance stock units noted in the footnotes.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Phipps Jason

Role SVP Global Sales and Marketing

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	269	$383.89	$103K
Tax Withholding	Common Stock	736	$383.89	$283K
Tax Withholding	Common Stock	863	$383.89	$331K
Tax Withholding	Common Stock	506	$383.89	$194K

Holdings After Transaction: Common Stock — 91,496 shares (Direct)

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 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025. 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 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022. 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/24/2026 - 07:13 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^*

Phipps Jason

(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 Global Sales and Marketing

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)
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	03/20/2026		F		269⁽¹⁾	D	$383.89	91,496⁽²⁾	D
Common Stock	03/20/2026		F		736⁽³⁾	D	$383.89	90,760⁽²⁾	D
Common Stock	03/20/2026		F		863⁽⁴⁾	D	$383.89	89,897⁽²⁾	D
Common Stock	03/20/2026		F		506⁽⁵⁾	D	$383.89	89,391⁽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 12/16/2025. 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 4 filed on 12/15/2022.

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.

	By: Michelle Rankin For: Jason Phipps	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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Ciena (CIEN) report for Jason Phipps?

Ciena reported that SVP Jason Phipps had 2,374 common shares withheld on March 20, 2026 to pay taxes on vesting RSU awards. These F-code transactions are tax-withholding dispositions, not open‑market sales, and relate to previously granted equity compensation.

How many Ciena (CIEN) shares were withheld for Jason Phipps’ taxes?

A total of 2,374 Ciena common shares were withheld to cover Jason Phipps’ tax liabilities. The shares relate to multiple restricted stock unit award agreements, and were valued for this purpose at a transaction price of $383.89 per share on March 20, 2026.

Did Jason Phipps sell Ciena (CIEN) shares in the open market?

The filing shows no open‑market sales by Jason Phipps. All reported transactions use code F, indicating shares were withheld by the company solely to satisfy tax obligations arising from restricted stock unit vesting, rather than discretionary buying or selling in the market.

What is Jason Phipps’ Ciena (CIEN) shareholding after these transactions?

Following the tax-withholding transactions, Jason Phipps directly holds 89,391 Ciena common shares. According to the footnotes, this figure includes both unvested restricted stock units and performance stock units that remain part of his overall equity-based compensation package.

Which Ciena (CIEN) equity awards were involved in Jason Phipps’ tax withholdings?

The tax withholdings relate to RSU award agreements dated December 13, 2022, December 12, 2023, December 17, 2024, and December 16, 2025. Each award’s acquisition had been previously reported, and the current Form 4 reflects only shares withheld to pay associated tax liabilities.