Brodie Gage - 20 Dec 2025 Form 4 Insider Report for CIENA CORP (CIEN)

Role: SVP Global Products & Supply
Signature: By: Michelle Rankin For: Brodie Gage
Issuer symbol: CIEN
Transactions as of: 20 Dec 2025
Net transactions value: -$1,538,211
Form type: 4
Filing time: 23 Dec 2025, 14:28:09 UTC
Previous filing: 18 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Gage Brodie	SVP Global Products & Supply	C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER	By: Michelle Rankin For: Brodie Gage	22 Dec 2025	0001998826

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CIEN	Common Stock	Tax liability	$46,989	-204	-0.34%	$230.34	59,747	20 Dec 2025	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	$101,810	-442	-0.74%	$230.34	59,305	20 Dec 2025	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$154,097	-669	-1.1%	$230.34	58,636	20 Dec 2025	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	$89,372	-388	-0.66%	$230.34	58,248	20 Dec 2025	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	$48,832	-212	-0.36%	$230.34	58,036	20 Dec 2025	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	$428,432	-1,860	-3.2%	$230.34	56,176	20 Dec 2025	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	$372,690	-1,618	-2.9%	$230.34	54,558	20 Dec 2025	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	$295,987	-1,285	-2.4%	$230.34	53,273	20 Dec 2025	Direct	F2, F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 10/27/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 10/31/2023.
F2	Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
F3	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 10/31/2023.
F4	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
F5	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
F6	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 10/31/2023.
F7	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/17/2024. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/18/2025.
F8	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/12/2023. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/19/2024.