Ciena (NYSE: CIEN) CEO Gary Smith logs 2,952-share sale under 10b5-1 plan

Rhea-AI Filing Summary

Ciena Corporation’s President and CEO Gary B. Smith, who is also a director, reported selling 2,952 shares of Ciena common stock on 02/02/2026 at a weighted average price of $265.6018 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated 10/04/2025.

Following this transaction, Smith beneficially owned 301,940 Ciena shares, which the disclosure states include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). The reported price reflects a range of individual sale prices between $248.6950 and $270.6550.

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
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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^*

SMITH GARY B

(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
X	Officer (give title below)		Other (specify below)
	President, CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

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	02/02/2026		S		2,952(1)	D	$265.6018(2)	301,940(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 10/04/2025.

2. Reflects the weighted average sales price with transactions in a range of sales from $248.6950 to $270.6550. 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: Gary B Smith	02/03/2026
	** 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 Gary B. Smith?

Ciena reported that President and CEO Gary B. Smith sold 2,952 shares of common stock on 02/02/2026. The transaction was coded as a sale and executed under a Rule 10b5-1 trading plan dated 10/04/2025, indicating it was pre-arranged.

At what price did Gary B. Smith sell CIENA (CIEN) shares on 02/02/2026?

Gary B. Smith’s sale had a weighted average price of $265.6018 per share. Individual trade prices ranged from $248.6950 to $270.6550, and the company notes that detailed price breakdowns can be provided to the SEC upon request.

How many CIENA (CIEN) shares does Gary B. Smith own after the reported sale?

After selling 2,952 shares, Gary B. Smith beneficially owned 301,940 Ciena shares. The filing specifies that this figure includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) in addition to any vested or directly held shares.

Was Gary B. Smith’s CIENA (CIEN) stock sale part of a trading plan?

Yes. The filing explains that the sales were effected under a Rule 10b5-1 trading plan dated 10/04/2025. Such plans allow insiders to schedule trades in advance, helping separate personal trading decisions from day-to-day corporate developments.

What role does Gary B. Smith hold at CIENA (CIEN)?

Gary B. Smith is reported as both President and Chief Executive Officer of Ciena, and also serves as a director. This positions him as a key executive and board member with significant leadership responsibilities at the company.

Do Gary B. Smith’s reported CIENA (CIEN) holdings include unvested equity awards?

Yes. The disclosure notes that his 301,940 beneficially owned shares include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). This means not all reported shares are currently vested, tradable stock.