Ciena Form 4: 350-share sale by SVP under 10b5-1 plan

Rhea-AI Filing Summary

Gage Brodie, serving as SVP Global Products & Supply at Ciena Corporation (CIEN), reported a planned sale of 350 shares of Ciena common stock on 09/15/2025 at a price of $132 per share. The filing states the sale was executed under a Rule 10b5-1 trading plan dated 09/06/2025. After the reported disposition, Brodie beneficially owns 42,918 shares, a figure that the filing specifies includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). The form was filed by one reporting person and was signed on behalf of Brodie by Michelle Rankin.

Insights

Securities Analyst

TL;DR: Officer executed a small, preplanned equity sale under a Rule 10b5-1 plan; remaining stake includes unvested compensation units.

The Form 4 documents a routine insider disposition of 350 shares at $132 each, executed pursuant to a Rule 10b5-1 plan established nine days earlier. The sale appears procedural rather than indicative of a sudden change in view because it was covered by an affirmative-defense trading plan. The filing also clarifies that the reported beneficial ownership of 42,918 shares incorporates unvested RSUs and PSUs, which affects the economic vs. voting power analysis of the insider's stake. Impact on investor valuation is likely immaterial given the small absolute size disclosed.

Corporate Governance Expert

TL;DR: Disclosure follows standard Section 16 practices; use of a 10b5-1 plan provides compliance protection for the sale.

The report is compliant and concise: it identifies the reporting person, relationship to the issuer, transaction date, price, and that the sale was conducted under a Rule 10b5-1 plan. Noting that beneficial ownership includes unvested RSUs/PSUs is important for governance transparency because it distinguishes between fully owned shares and compensation-related holdings. There is no indication of accelerated vesting, waiver, or any extraordinary governance action in this filing.

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

7035 RIDGE RD.

(Street)

HANOVER MD 21076-1426

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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

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

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

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	09/15/2025		S		350(1)	D	$132	42,918(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 09/06/2025.

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

	By: Michelle Rankin For: Brodie Gage	09/15/2025
	** 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.

FAQ

What transaction did CIEN insider Gage Brodie report on Form 4?

The filing reports a sale of 350 shares of CIEN common stock on 09/15/2025 at $132 per share.

Was the sale by Gage Brodie part of a trading plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 trading plan dated 09/06/2025.

How many CIEN shares does Brodie beneficially own after the transaction?

The Form 4 reports beneficial ownership of 42,918 shares following the reported sale.

Do the reported holdings include unvested equity awards?

Yes. The filing explicitly states the reported shares include unvested RSUs and PSUs.

Who filed the Form 4 and what is Brodie's role at Ciena?

The form was filed by one reporting person and signed by Michelle Rankin for Brodie. Brodie is listed as SVP Global Products & Supply.