Ciena SVP sells 1,200 shares at $439 each

CIENA CORP (CIEN) senior vice president Gage Brodie reported selling 1,200 shares of common stock on 2026-08-17 at $439.24 per share in an open-market or private transaction.

Rhea-AI Filing Summary

CIENA CORP (CIEN) senior vice president Gage Brodie reported selling 1,200 shares of common stock on 2026-08-17 at $439.24 per share in an open-market or private transaction. The sale was executed pursuant to a Rule 10b5-1 trading plan dated 07/01/2025 and modified 12/23/2025. Following this transaction, Brodie beneficially owns 38,407 shares, which include unvested RSUs and PSUs.

Insider Trade Summary 10b5-1

Net Seller: 1,200 shares

Net Sell 1 txn

Insider Gage Brodie

Role SVP Global Products & Supply

Sold 1,200 shs ($527K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	1,200	$439.24	$527K

Holdings After Transaction: Common Stock — 38,407 shares (Direct)

Footnotes (2)

1. F1. Sales were affected pursuant to Rule 10b5-1 trading plan dated 07/01/2025 MODIFIED 12/23/2025.
2. F2. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Key Figures

Shares sold: 1,200 shares Sale price per share: $439.24 Shares owned after transaction: 38,407 shares +2 more

5 metrics

Shares sold 1,200 shares Common stock sale on 2026-08-17

Sale price per share $439.24 Per-share price for the 1,200 CIEN shares sold

Shares owned after transaction 38,407 shares Beneficial ownership following the 2026-08-17 sale, including unvested RSUs and PSUs

Rule 10b5-1 plan date 07/01/2025 Date the trading plan governing the sale was adopted

Rule 10b5-1 plan modification date 12/23/2025 Date the trading plan governing the sale was modified

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 07/01/2025"

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"

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"

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

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did CIEN executive Gage Brodie report?

Gage Brodie reported selling 1,200 shares of CIENA CORP common stock at $439.24 per share on 2026-08-17. The transaction was a sale in an open-market or private transaction under a pre-arranged trading plan.

How many CIEN shares does Gage Brodie hold after this Form 4 transaction?

After the reported sale, Gage Brodie beneficially owns 38,407 CIEN shares. This reported balance includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs), as described in the filing footnote.

Was Gage Brodie’s CIEN stock sale under a Rule 10b5-1 trading plan?

Yes. The sale was executed pursuant to a Rule 10b5-1 trading plan dated 07/01/2025 and modified 12/23/2025. Such plans prearrange trades, reducing the informational value of transaction timing.

What was the price per share in Gage Brodie’s CIEN stock sale?

The reported transaction price was $439.24 per share for the 1,200 CIENA CORP shares sold on 2026-08-17. The filing identifies this as the per-share sale price for the transaction.

Does Gage Brodie’s reported CIEN holding include equity awards?

Yes. The 38,407 CIEN shares reported as beneficially owned include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). This means part of the position consists of unvested equity awards, not only vested common shares.

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

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Accepted by SEC EDGAR 08/18/2026 - 03:54 PM EDT 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^*

Gage Brodie

(Last) (First) (Middle)

C/O CIENA CORPORATION

8150 MAPLE LAWN BOULEVARD, SUITE 300

(Street)

FULTON MARYLAND 20759

(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 Global Products & Supply

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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	08/17/2026		S		1,200(1)	D	$439.24	38,407(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 07/01/2025 MODIFIED 12/23/2025.

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

	By: Michelle Rankin For: BRODIE GAGE	08/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)