CIENA CEO sells 2,952 shares under 10b5-1 plan

CIENA CORP President and CEO Gary B. Smith reported an open-market sale of common stock.

Accepted by SEC EDGAR 04/03/2026 - 01:43 PM EDT

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Rhea-AI Filing Summary

CIENA CORP President and CEO Gary B. Smith reported an open-market sale of common stock. He sold 2,952 shares of CIENA on April 1, 2026 at a weighted average price of $415.5116 per share, with individual trade prices ranging from $402.3800 to $421.2600.

Following this transaction, Smith directly holds 281,365 CIENA shares, which include unvested Restricted Stock Units and Performance Stock Units. The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated October 4, 2025, indicating it was scheduled in advance.

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 ($1.23M)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,952	$415.5116	$1.23M

Holdings After Transaction: Common Stock — 281,365 shares (Direct)

Footnotes (3)

F1. Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
F2. Reflects the weighted average sales price with transactions in a range of sales from $402.3800 to $421.2600. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
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: $415.5116 per share Post-transaction holdings: 281,365 shares +2 more

5 metrics

Shares sold 2,952 shares Open-market sale on April 1, 2026

Weighted average sale price $415.5116 per share Common stock sale on April 1, 2026

Post-transaction holdings 281,365 shares Shares directly held after sale, including unvested RSUs and PSUs

Price range of sales $402.3800–$421.2600 Range of individual trade prices within reported transaction

Rule 10b5-1 plan date October 4, 2025 Pre-arranged trading plan governing these sales

Key Terms

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

4 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.

weighted average sales price financial

"Reflects the weighted average sales price with transactions in a range of sales"

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.

FAQ

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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 sale occurred on April 1, 2026 at a weighted average price of $415.5116 per share under a pre-arranged Rule 10b5-1 trading plan.

At what prices did the CIENA (CIEN) CEO’s shares sell in this Form 4?

The reported weighted average sales price was $415.5116 per share. Individual trades occurred within a price range from $402.3800 to $421.2600, and the company notes it can provide full detail of shares sold at each separate price upon SEC request.

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

After selling 2,952 shares, Gary B. Smith directly holds 281,365 CIENA shares. This figure includes unvested Restricted Stock Units and Performance Stock Units, meaning part of the reported holding consists of equity awards that have not yet fully vested.

Was the CIENA (CIEN) CEO’s stock sale part of a Rule 10b5-1 plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan dated October 4, 2025. Such plans are pre-arranged trading programs that schedule transactions in advance, helping separate routine portfolio activity from discretionary timing decisions.

Does the CIENA (CIEN) CEO’s reported holding include RSUs and PSUs?

Yes. The filing clarifies that the shares reported as held by Gary B. Smith include unvested Restricted Stock Units and Performance Stock Units. These equity awards represent conditional rights to receive shares, subject to vesting and performance conditions over time.

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

Form 4 Insider Transactions: What Each Field Means →

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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).

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)
04/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/01/2026		S		2,952⁽¹⁾	D	$415.5116⁽²⁾	281,365⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 $402.3800 to $421.2600. 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	04/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR