ANDREW C. PETRIK - 20 Dec 2022 Form 4 Insider Report for CIENA CORP (CIEN)

Role: VP, CONTROLLER
Signature: By: Michelle Rankin For: Andrew C Petrik
Issuer symbol: CIEN
Transactions as of: 20 Dec 2022
Transactions value $: -$75,925
Form type: 4
Filing time: 22 Dec 2022, 15:17:51 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	-$3.65K	-74	-0.21%	$49.27	35K	20 Dec 2022	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	-$17.3K	-352	-1%	$49.27	34.7K	20 Dec 2022	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	-$11.2K	-227	-0.65%	$49.27	34.4K	20 Dec 2022	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	-$2.61K	-53	-0.15%	$49.27	34.4K	20 Dec 2022	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	-$12.5K	-254	-0.74%	$49.27	34.1K	20 Dec 2022	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	-$4.83K	-98	-0.29%	$49.27	34K	20 Dec 2022	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	-$4.43K	-90	-0.26%	$49.27	34K	20 Dec 2022	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	-$19.4K	-393	-1.16%	$49.27	33.6K	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 12/16/2020. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 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 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.
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 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/16/2021.
F5	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.
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 12/18/2018. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/20/2018.
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 12/17/2019. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/19/2019.
F8	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.