Ciena (CIEN) CEO Gary Smith sells 2,952 shares in Rule 10b5-1 trade

Rhea-AI Filing Summary

Ciena President and CEO Gary B. Smith reported an open-market sale of 2,952 shares of common stock on February 17, 2026. The shares were sold under a Rule 10b5-1 trading plan dated 10/04/2025 at a weighted average price of $299.5113 per share. After this transaction, Smith directly owns 298,988 shares, which the filing notes include unvested RSUs and PSUs.

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

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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)
02/17/2026

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	02/17/2026		S		2,952(1)	D	$299.5113(2)	298,988(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 $287.74 to $307.58. 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	02/18/2026
	** 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) CEO Gary B. Smith report?

Gary B. Smith reported an open-market sale of 2,952 shares of Ciena common stock. The transaction occurred on February 17, 2026, and was reported as a sale in the company’s Form 4 insider trading filing.

At what price did the Ciena (CIEN) CEO sell his shares?

The shares were sold at a weighted average price of $299.5113 per share. The filing notes that individual sales occurred in a range between $287.74 and $307.58, and detailed price breakdowns are available to the SEC on request.

How many Ciena (CIEN) shares does the CEO hold after this sale?

After the reported sale, Gary B. Smith directly holds 298,988 shares of Ciena common stock. The filing specifies that this figure includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) credited to his ownership.

Was the Ciena (CIEN) CEO’s share sale made under a Rule 10b5-1 plan?

Yes. The filing states that the sales were effected pursuant to a Rule 10b5-1 trading plan dated October 4, 2025. This indicates the transactions followed a pre-established trading arrangement referenced in the disclosure.

What does the price range in the Ciena (CIEN) CEO’s Form 4 mean?

The Form 4 reports a weighted average price of $299.5113 with individual sales between $287.74 and $307.58. It also notes that, upon SEC request, full details of the number of shares sold at each price within this range will be provided.

Do the Ciena (CIEN) CEO’s reported holdings include unvested equity awards?

Yes. The filing explicitly states that the reported 298,988 shares include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). This means both vested shares and certain unvested equity awards are counted in the total beneficial ownership figure.