David M. Rothenstein - 20 Dec 2024 Form 4 Insider Report for CIENA CORP (CIEN)

Role: SVP and Chief Strategy Officer
Signature: By: Michelle Rankin For: David M Rothenstein
Issuer symbol: CIEN
Transactions as of: 20 Dec 2024
Net transactions value: -$715,031
Form type: 4
Filing time: 23 Dec 2024, 15:57:22 UTC
Previous filing: 19 Dec 2024
Next filing: 24 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CIEN	Common Stock	Tax liability	$43,515	-498	-0.23%	$87.38	219,297	20 Dec 2024	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	$58,282	-667	-0.3%	$87.38	218,630	20 Dec 2024	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$17,476	-200	-0.09%	$87.38	218,430	20 Dec 2024	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$69,642	-797	-0.36%	$87.38	217,633	20 Dec 2024	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	$37,748	-432	-0.2%	$87.38	217,201	20 Dec 2024	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	$265,198	-3,035	-1.4%	$87.38	214,166	20 Dec 2024	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	$89,477	-1,024	-0.48%	$87.38	213,142	20 Dec 2024	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	$133,691	-1,530	-0.72%	$87.38	211,612	20 Dec 2024	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 12/16/2020. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2020.
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 4 filed on 12/15/2022.
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 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/16/2021.
F6	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a market stock unit (MSU) award agreement dated 12/14/2021. The earning of the MSU was previously reported on Table I of the reporting person's Form 4 filed on 12/19/2024.
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 12/13/2022. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/14/2023.
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.