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Ciena (NYSE: CIEN) executive logs tax-withholding share transactions

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Ciena Corporation executive Joseph Cumello, SVP and General Manager of Blue Planet, reported multiple transactions in the company’s common stock. On 12/20/2025, several blocks of shares were withheld at a price of $230.34 per share, with transaction code “F,” which indicates shares were withheld to cover tax obligations tied to equity awards rather than open-market sales.

The withheld shares relate to restricted stock units, market stock units, and performance stock units granted under prior award agreements. Examples include 5,644 shares and 1,589 shares withheld to satisfy tax liabilities. Following the last reported transaction, Cumello beneficially owns 61,404 shares of Ciena common stock, and the reported holdings include unvested RSUs and PSUs.

Positive

  • None.

Negative

  • None.
Insider Cumello Joseph
Role SVP, General Mgr. Blue Planet
Type Security Shares Price Value
Tax Withholding Common Stock 441 $230.34 $102K
Tax Withholding Common Stock 182 $230.34 $42K
Tax Withholding Common Stock 582 $230.34 $134K
Tax Withholding Common Stock 332 $230.34 $76K
Tax Withholding Common Stock 269 $230.34 $62K
Tax Withholding Common Stock 5,644 $230.34 $1.30M
Tax Withholding Common Stock 1,382 $230.34 $318K
Tax Withholding Common Stock 1,589 $230.34 $366K
Tax Withholding Common Stock 1,117 $230.34 $257K
Holdings After Transaction: Common Stock — 72,501 shares (Direct)
Footnotes (1)
  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 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a market stock unit (MSU) award agreement dated 12/13/2022. The earning of the MSU was previously reported on Table I of the reporting person's Form 4 filed on 12/18/2025. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/17/2024. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/18/2025. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/12/2023. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/19/2024.
Form 4 Insider Transactions: What Each Field Means →
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 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, General Mgr. Blue Planet
3. Date of Earliest Transaction (Month/Day/Year)
12/20/2025
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 12/20/2025 F 441(1) D $230.34 72,501(2) D
Common Stock 12/20/2025 F 182(3) D $230.34 72,319(2) D
Common Stock 12/20/2025 F 582(4) D $230.34 71,737(2) D
Common Stock 12/20/2025 F 332(5) D $230.34 71,405(2) D
Common Stock 12/20/2025 F 269(6) D $230.34 71,136(2) D
Common Stock 12/20/2025 F 5,644(7) D $230.34 65,492(2) D
Common Stock 12/20/2025 F 1,382(8) D $230.34 64,110(2) D
Common Stock 12/20/2025 F 1,589(8) D $230.34 62,521(2) D
Common Stock 12/20/2025 F 1,117(9) D $230.34 61,404(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 12/13/2022. 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 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023.
7. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a market stock unit (MSU) award agreement dated 12/13/2022. The earning of the MSU was previously reported on Table I of the reporting person's Form 4 filed on 12/18/2025.
8. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/17/2024. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/18/2025.
9. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/12/2023. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/19/2024.
By: Michelle Rankin For: Joseph Cumello 12/22/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

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

Ciena reported that executive Joseph Cumello had multiple transactions in Ciena common stock on 12/20/2025, where shares were withheld with transaction code F to cover tax obligations related to his equity awards.

Did the CIEN insider transaction involve open-market buying or selling?

No open-market trades are shown. The transactions are coded F, which the report explains as shares withheld to cover payment of tax liabilities tied to restricted stock unit, market stock unit, and performance stock unit awards.

How many CIENA shares does Joseph Cumello own after these transactions?

After the last reported transaction on 12/20/2025, the filing shows that Joseph Cumello beneficially owns 61,404 shares of Ciena common stock, including unvested RSUs and PSUs.

What price was used for the CIEN tax-withholding share transactions?

The reported share-withholding transactions for Joseph Cumello on 12/20/2025 were recorded at a price of $230.34 per share in the Form 4 table.

Which types of equity awards are involved in Joseph Cumello’s CIEN transactions?

The explanation notes that the withheld shares relate to restricted stock units (RSUs), market stock units (MSUs), and performance stock units (PSUs) granted under award agreements dated 12/13/2022, 2/1/2023, 12/12/2023, 12/17/2024, and 12/14/2021.

What role does Joseph Cumello hold at Ciena Corporation (CIEN)?

The filing identifies Joseph Cumello as an officer of Ciena Corporation, serving as SVP, General Mgr. Blue Planet.