GARY B. SMITH - 20 Dec 2022 Form 4 Insider Report for CIENA CORP (CIEN)

Role: President, CEO, Director
Signature: By: Michelle Rankin For: Gary B Smith
Issuer symbol: CIEN
Transactions as of: 20 Dec 2022
Net transactions value: -$3,101,546
Form type: 4
Filing time: 22 Dec 2022, 15:23:15 UTC
Previous filing: 15 Dec 2022
Next filing: 30 Dec 2022
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	$104,699	-2,125	-0.38%	$49.27	558,935	20 Dec 2022	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	$753,683	-15,297	-2.7%	$49.27	543,638	20 Dec 2022	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$486,147	-9,867	-1.8%	$49.27	533,771	20 Dec 2022	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$80,261	-1,629	-0.31%	$49.27	532,142	20 Dec 2022	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	$577,691	-11,725	-2.2%	$49.27	520,417	20 Dec 2022	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	$129,334	-2,625	-0.5%	$49.27	517,792	20 Dec 2022	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	$127,215	-2,582	-0.5%	$49.27	515,210	20 Dec 2022	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	$842,517	-17,100	-3.3%	$49.27	498,110	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.