Rick Hamilton - Dec 20, 2022 Form 4 Insider Report for CIENA CORP (CIEN)

Role: SVP, Software and Services
Signature: By: Michelle Rankin For: Rick Hamilton
Stock symbol: CIEN
Transactions as of: Dec 20, 2022
Transactions value $: -$477,131
Form type: 4
Date filed: 12/22/2022, 03:10 PM
Previous filing: Dec 15, 2022
Next filing: Dec 22, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CIEN	Common Stock	Tax liability	-$29.2K	-593	-0.61%	$49.27	96K	Dec 20, 2022	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	-$27K	-547	-0.57%	$49.27	95.5K	Dec 20, 2022	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	-$18.1K	-368	-0.39%	$49.27	95.1K	Dec 20, 2022	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	-$86.9K	-1.76K	-1.85%	$49.27	93.4K	Dec 20, 2022	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	-$119K	-2.41K	-2.58%	$49.27	91K	Dec 20, 2022	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	-$22.2K	-450	-0.49%	$49.27	90.5K	Dec 20, 2022	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	-$106K	-2.16K	-2.38%	$49.27	88.3K	Dec 20, 2022	Direct	F2, F8
transaction	CIEN	Common Stock	Tax liability	-$68.6K	-1.39K	-1.58%	$49.27	87K	Dec 20, 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 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 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.
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 12/16/2020. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 on 12/18/2020.
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 12/16/2020. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 on 12/16/2021.