Ciena Corp (NYSE: CIEN) CEO Gary Smith sells 2,952 shares under 10b5-1 plan

Rhea-AI Filing Summary

Ciena Corp President and CEO Gary B. Smith sold 2,952 shares of common stock on 2026-08-03 in a sale transaction. The weighted-average sale price was about $379.8144 per share, with individual trades between $356.0150 and $390.9100, executed pursuant to a Rule 10b5-1 trading plan dated 10/04/2025. Following the sale, he directly holds 248,982 shares, which include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Insider Trade Summary 10b5-1

Net Seller: 2,952 shares

Net Sell 1 txn

Insider SMITH GARY B

Role President, CEO

Sold 2,952 shs ($1.12M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2, F3	2,952	$379.8144	$1.12M

Holdings After Transaction: Common Stock — 248,982 shares (Direct)

Footnotes (3)

1. F1. Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
2. F2. Reflects the weighted average sales price with transactions in a range of sales from $356.0150 to $390.9100. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
3. F3. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Key Figures

Shares sold: 2,952 shares Weighted-average sale price: $379.8144 per share Sale price range: $356.0150 to $390.9100 +2 more

5 metrics

Shares sold 2,952 shares Common stock sale on 2026-08-03 by President & CEO Gary B. Smith

Weighted-average sale price $379.8144 per share Weighted-average price for the reported sale transaction

Sale price range $356.0150 to $390.9100 Range of individual transaction prices for the reported sales

Shares held after transaction 248,982 shares Direct holdings after sale, including unvested RSUs and PSUs

Net shares sold 2,952 shares Net-sell direction from transaction summary

Key Terms

Rule 10b5-1 trading plan, Restricted Stock Units (RSUs), Performance Stock Units (PSUs)

3 terms

Rule 10b5-1 trading plan regulatory

"Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Restricted Stock Units (RSUs) financial

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

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

Performance Stock Units (PSUs) financial

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

Performance stock units (PSUs) are a form of executive or employee pay that promise company shares only if pre-set performance goals are met over a defined period; think of them as a bonus paid in stock that arrives only when the company hits agreed targets. Investors watch PSUs because they affect the number of shares outstanding (dilution) and reveal how management’s pay is tied to financial or operational results, aligning incentives with shareholder outcomes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/04/2026 - 05:05 PM Accepted by SEC EDGAR 08/04/2026 - 05:05 PM Learn about SEC filing dates

FAQ

What insider transaction did Ciena (CIEN) CEO Gary B. Smith report?

Ciena CEO Gary B. Smith reported a sale of 2,952 shares of common stock. The transaction occurred on 2026-08-03 and was reported as a sale in a non-derivative security, according to the Form 4 filing.

How many Ciena (CIEN) shares did Gary B. Smith sell and at what price?

Gary B. Smith sold 2,952 Ciena common shares at a weighted-average price of about $379.8144 per share. Individual trade prices ranged between $356.0150 and $390.9100, as disclosed in the transaction footnotes.

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

Yes. The sales were executed pursuant to a Rule 10b5-1 trading plan dated 10/04/2025. The filing also affirms the Rule 10b5-1 status via the plan checkbox, indicating the trades followed a pre-arranged trading plan.

How many Ciena (CIEN) shares does Gary B. Smith hold after this sale?

After the reported sale, Gary B. Smith directly holds 248,982 Ciena shares. This figure includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs), as specified in the filing’s footnotes.

Does Gary B. Smith’s remaining Ciena (CIEN) position include equity awards?

Yes. The 248,982 shares reported as held by Gary B. Smith include unvested RSUs and PSUs. The footnote clarifies that these equity awards are counted within the total post-transaction share holdings.

Were any derivative securities involved in this Ciena (CIEN) Form 4 filing?

No. The reported transaction involves only Common Stock as a non-derivative security. The derivative positions section for this filing is empty, and the transaction summary shows no option exercises or other derivative transactions.

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^*

SMITH GARY B

(Last) (First) (Middle)

C/O CIENA CORPORATION

7035 RIDGE RD.

(Street)

HANOVER MARYLAND 21076-1426

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/03/2026		S		2,952(1)	D	$379.8144(2)	248,982(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 $356.0150 to $390.9100. 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	08/04/2026
	** 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.
* Form 4: SEC 1474 (03-26)