David M. Rothenstein - 20 Dec 2022 Form 4 Insider Report for CIENA CORP (CIEN)

Role: Sr. VP, General Counsel
Signature: By: Michelle Rankin For: David M Rothenstein
Issuer symbol: CIEN
Transactions as of: 20 Dec 2022
Transactions value $: $-529,357
Form type: 4
Filing time: 22 Dec 2022, 15:21:43 UTC
Previous filing: 19 Dec 2022
Next filing: 18 Jan 2023
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	$-26,359	-535	-0.2%	$49.27	270,377	20 Dec 2022	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	$-29,858	-606	-0.22%	$49.27	269,771	20 Dec 2022	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$-131,649	-2,672	-0.99%	$49.27	267,099	20 Dec 2022	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	$-24,536	-498	-0.19%	$49.27	266,601	20 Dec 2022	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	$-117,755	-2,390	-0.9%	$49.27	264,211	20 Dec 2022	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	$-75,974	-1,542	-0.58%	$49.27	262,669	20 Dec 2022	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	$-21,285	-432	-0.16%	$49.27	262,237	20 Dec 2022	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	$-101,940	-2,069	-0.79%	$49.27	260,168	20 Dec 2022	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 12/18/2018. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/20/2018.
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 12/17/2019. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/19/2019.
F4	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a market stock unit (MSU) award agreement dated 12/17/2019. The earning of the MSU was previously reported on Table I of the reporting person's Form 4 on 12/15/2022.
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 12/16/2020. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/18/2020.
F6	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/16/2020. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 on 12/16/2021.
F7	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 on 12/16/2021.
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 12/14/2021. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 on 12/15/2022.