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

Rhea-AI Filing Summary

Ciena Corp President and CEO Gary B. Smith sold 2,952 shares of common stock in an open-market transaction on April 15, 2026. The shares were sold at a weighted average price of $467.4715 per share, within a range from $455.8500 to $480.0000.

The sale was carried out under a pre-arranged Rule 10b5-1 trading plan dated October 4, 2025, indicating it was scheduled in advance. Following this transaction, Smith directly owns 278,413 shares of Ciena common stock, which includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Insights

Equity compensation and insider-trading specialist

CEO’s pre-planned sale is small relative to his remaining stake.

Gary B. Smith, President and CEO of Ciena, sold 2,952 shares of common stock at a weighted average price of $467.4715 per share. The transaction is explicitly described as an open-market sale.

The sale occurred under a Rule 10b5-1 trading plan dated October 4, 2025, meaning it was pre-scheduled rather than timed opportunistically. After the sale, Smith directly holds 278,413 shares, including unvested RSUs and PSUs, so the transaction represents a small portion of his overall equity exposure.

Because the filing shows no derivative exercises and a modest net-sell volume of 2,952 shares, this appears to be routine liquidity management rather than a major shift in insider positioning. Future company filings may provide additional context on any subsequent trades under the same trading plan.

Insider Trade Summary 10b5-1

Net Seller: 2,952 shares ($1,379,976)

Net Sell 1 txn

Insider SMITH GARY B

Role President, CEO

Sold 2,952 shs ($1.38M)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,952	$467.4715	$1.38M

Holdings After Transaction: Common Stock — 278,413 shares (Direct)

Footnotes (1)

1. Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025. Reflects the weighted average sales price with transactions in a range of sales from $455.8500 to $480.0000. 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).

Key Figures

Shares sold: 2,952 shares Weighted average sale price: $467.4715 per share Post-transaction holdings: 278,413 shares +3 more

6 metrics

Shares sold 2,952 shares Open-market sale of common stock on April 15, 2026

Weighted average sale price $467.4715 per share Average price for 2,952 shares sold

Post-transaction holdings 278,413 shares Common stock directly owned after sale, including unvested RSUs and PSUs

Sale price range $455.8500–$480.0000 per share Range of individual sale prices referenced in weighted average

Rule 10b5-1 plan date October 4, 2025 Date of trading plan governing the sale

Net share direction 2,952 net shares sold transactionSummary netBuySellShares and netBuySellDirection

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.

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^*

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)
04/15/2026

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	04/15/2026		S		2,952(1)	D	$467.4715(2)	278,413(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 $455.8500 to $480.0000. 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	04/16/2026
	** 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)

FAQ

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

Ciena reported that President and CEO Gary B. Smith sold 2,952 shares of common stock in an open-market transaction. The trade occurred on April 15, 2026, and was executed under a pre-arranged Rule 10b5-1 trading plan dated October 4, 2025.

At what price did Ciena (CIEN) CEO Gary B. Smith sell his shares?

Gary B. Smith sold 2,952 Ciena common shares at a weighted average price of $467.4715 per share. Footnotes state the individual sale prices ranged from $455.8500 to $480.0000, and detailed breakdowns are available to the SEC upon request.

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

After selling 2,952 shares, Gary B. Smith directly owns 278,413 shares of Ciena common stock. According to the disclosure, this figure includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) that remain part of his overall equity-based compensation.

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

Yes. The filing specifies that Gary B. Smith’s sale was effected pursuant to a Rule 10b5-1 trading plan dated October 4, 2025. Such plans pre-schedule trades, helping separate routine liquidity events from discretionary, potentially market-timed insider transactions.

Does the Ciena (CIEN) Form 4 involve any derivative securities or option exercises?

No derivative transactions are shown in this Form 4. The transaction summary lists one open-market sale of 2,952 common shares and zero exercises, with the derivativeSummary section empty, indicating no options or other derivatives were exercised in this particular filing.