Ciena (CIEN) SVP sells 11,929 shares in Rule 10b5-1 stock sale plan

Rhea-AI Filing Summary

Ciena Corporation executive Joseph Cumello, SVP and General Manager of Blue Planet, reported a planned sale of company stock. On 01/12/2026, he sold 11,929 shares of Ciena common stock at a weighted average price of $229.8207 per share under a Rule 10b5-1 trading plan dated 10/13/2025.

The filing notes that individual sale prices ranged from $224.4200 to $234.1900. After this transaction, Cumello beneficially owned 49,475 shares of Ciena common stock, which include unvested Restricted Stock Units and Performance Stock Units.

Insider Trade Summary

Net Seller: 11,929 shares ($2,741,531)

Net Sell 1 txn

Insider Cumello Joseph

Role SVP, General Mgr. Blue Planet

Sold 11,929 shs ($2.74M)

Type	Security	Shares	Price	Value
Sale	Common Stock	11,929	$229.8207	$2.74M

Holdings After Transaction: Common Stock — 49,475 shares (Direct)

Footnotes (1)

1. Sales were effected pursuant to Rule 10b5-1 trading plan dated 10/13/2025. Reflects the weighted average sales price with transactions in a range of sales from $224.4200 to $234.1900. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

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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).

X

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)
01/12/2026

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	01/12/2026		S		11,929(1)	D	$229.8207(2)	49,475(3)	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. Sales were effected pursuant to Rule 10b5-1 trading plan dated 10/13/2025.

2. Reflects the weighted average sales price with transactions in a range of sales from $224.4200 to $234.1900. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.

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

	By: Michelle Rankin For: Joseph Cumello	01/13/2026
	** 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.

FAQ

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

The filing reports that Joseph Cumello, SVP and General Manager of Blue Planet at Ciena, sold 11,929 shares of Ciena common stock on 01/12/2026.

At what price did Joseph Cumello sell Ciena (CIEN) shares?

Cumello’s sale had a weighted average price of $229.8207 per share, with individual trades executed between $224.4200 and $234.1900.

Was the Ciena (CIEN) insider sale by Joseph Cumello under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan dated 10/13/2025.

How many Ciena (CIEN) shares does Joseph Cumello own after this transaction?

After the reported sale, Cumello beneficially owned 49,475 shares of Ciena common stock.

Do Joseph Cumello’s reported Ciena (CIEN) holdings include RSUs or PSUs?

Yes. The filing notes that the 49,475 shares reported as beneficially owned include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

What is Joseph Cumello’s role at Ciena (CIEN)?

Joseph Cumello is identified as an officer of Ciena, serving as SVP, General Manager, Blue Planet.