Ciena (CIEN) SVP sells 1,586 shares, retains 42,872-share stake

Rhea-AI Filing Summary

CIENA CORP senior vice president Joseph Cumello reported an open-market sale of 1,586 shares of common stock. The shares were sold on June 26, 2026 at a price of $466.33 per share under a pre-arranged Rule 10b5-1 trading plan dated October 13, 2025.

After this transaction, he directly holds 42,872 shares, which the filing notes include unvested Restricted Stock Units and Performance Stock Units. Because the sale was executed under a 10b5-1 plan, the timing was set in advance rather than decided on the trade date.

Insights

Insider trading and governance analyst

Routine planned sale; SVP retains a substantial direct stake.

Senior executive Joseph Cumello sold 1,586 shares of CIENA CORP common stock at $466.33 per share in an open-market transaction on June 26, 2026. The transaction is coded as a standard sale of non-derivative common stock.

A key detail is that the sale was carried out under a pre-established Rule 10b5-1 trading plan dated October 13, 2025, indicating the trade was scheduled in advance rather than timed discretionarily. Following the sale, Cumello holds 42,872 shares directly, including unvested RSUs and PSUs, so his remaining equity exposure to the company remains significant.

Insider Trade Summary 10b5-1

Net Seller: 1,586 shares ($739,599)

Net Sell 1 txn

Insider Cumello Joseph

Role SVP, General Mgr. Blue Planet

Sold 1,586 shs ($740K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,586	$466.33	$740K

Holdings After Transaction: Common Stock — 42,872 shares (Direct, null)

Footnotes (1)

1. Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/13/2025. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Key Figures

Shares sold: 1,586 shares Sale price: $466.33 per share Shares held after transaction: 42,872 shares +2 more

5 metrics

Shares sold 1,586 shares Open-market sale on June 26, 2026

Sale price $466.33 per share Price for the 1,586 shares sold

Shares held after transaction 42,872 shares Direct holdings after sale, including unvested RSUs and PSUs

Transaction code S (sale) Open-market or private sale of non-derivative common stock

Trading plan date October 13, 2025 Date of Rule 10b5-1 plan governing this sale

Key Terms

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

4 terms

Rule 10b5-1 trading plan regulatory

"Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/13/2025."

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.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/30/2026 - 02:34 PM Accepted by SEC EDGAR 06/30/2026 - 02:33 PM Learn about SEC filing dates

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^*

Cumello Joseph

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, General Mgr. Blue Planet

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2026

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	06/26/2026		S		1,586(1)	D	$466.33	42,872(2)	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 10/13/2025.

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

	By: Michelle Rankin For: Joseph Cumello	06/30/2026
	** 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 CORP (CIEN) report for Joseph Cumello?

CIENA CORP reported that SVP Joseph Cumello sold 1,586 shares of common stock. The open-market sale occurred on June 26, 2026, at a price of $466.33 per share, according to the Form 4 filing’s non-derivative transaction table.

At what price did CIENA CORP executive Joseph Cumello sell his shares?

Joseph Cumello sold his CIENA CORP common stock at $466.33 per share. This price applies to the 1,586 shares sold in the open market on June 26, 2026, as disclosed in the Form 4 insider transaction report.

How many CIENA CORP shares does Joseph Cumello hold after this sale?

After the reported transaction, Joseph Cumello holds 42,872 CIENA CORP shares directly. The filing specifies that this total includes unvested Restricted Stock Units and Performance Stock Units, reflecting both vested and certain unvested equity awards in his reported holdings.

Was the CIENA CORP insider sale by Joseph Cumello under a Rule 10b5-1 plan?

Yes. The filing notes that Cumello’s sales were effected under a Rule 10b5-1 trading plan dated October 13, 2025. Such plans pre-schedule trades, reducing the likelihood that the timing reflects short-term views on the company’s stock.

What type of security did CIENA CORP insider Joseph Cumello sell?

Joseph Cumello sold shares of CIENA CORP common stock, classified as a non-derivative security. The Form 4 shows a single open-market sale transaction of 1,586 common shares, with no related option exercises or derivative transactions reported in this filing.