Planned sale by Ciena (NYSE: CIEN) director totals 11,618 shares

Rhea-AI Filing Summary

Ciena Corporation director Patrick Gallagher reported selling 11,618 shares of Ciena common stock on January 12, 2026. The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated October 13, 2025, which is designed to allow insiders to trade according to a set schedule.

The reported weighted average sale price was $227.4476 per share, with individual trades occurring between $224.01 and $229.99. After this transaction, Gallagher beneficially owned 50,184 Ciena shares, which include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs), and all are held directly.

Insider Trade Summary

Net Seller: 11,618 shares ($2,642,486)

Net Sell 1 txn

Insider GALLAGHER PATRICK

Role Director

Sold 11,618 shs ($2.64M)

Type	Security	Shares	Price	Value
Sale	Common Stock	11,618	$227.4476	$2.64M

Holdings After Transaction: Common Stock — 50,184 shares (Direct)

Footnotes (1)

1. Sales were affected 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 $224.01 to $229.99. 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^*

GALLAGHER PATRICK

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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		11,618(1)	D	$227.4476(2)	50,184(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 affected 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 $224.01 to $229.99. 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: Patrick T Gallagher	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

Who is the insider in Ciena (CIEN)'s latest Form 4 filing?

The insider is Patrick T. Gallagher, who serves as a director of Ciena Corporation and filed the Form 4 as a single reporting person.

How many Ciena (CIEN) shares did Patrick Gallagher sell?

Patrick Gallagher reported selling 11,618 shares of Ciena common stock in the transaction dated January 12, 2026.

What price did Patrick Gallagher receive for the Ciena (CIEN) shares sold?

The sale reflects a weighted average price of $227.4476 per share, with individual trades occurring in a price range from $224.01 to $229.99.

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

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan dated October 13, 2025.

How many Ciena (CIEN) shares does Patrick Gallagher own after the sale?

Following the reported sale, Patrick Gallagher beneficially owned 50,184 Ciena shares, held directly. This amount includes unvested RSUs and PSUs.

Are restricted and performance stock units included in Patrick Gallagher’s Ciena (CIEN) holdings?

Yes. The filing explains that the 50,184 shares beneficially owned after the transaction include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).