Andrew C. Petrik - 20 Dec 2023 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 2023
Net transactions value: -$40,442
Form type: 4
Filing time: 22 Dec 2023, 09:33:18 UTC
Previous filing: 14 Dec 2023
Next filing: 21 Mar 2024
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	$3,225	-74	-0.23%	$43.58	32,250	20 Dec 2023	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	$3,922	-90	-0.28%	$43.58	32,160	20 Dec 2023	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$5,012	-115	-0.36%	$43.58	32,045	20 Dec 2023	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	$7,191	-165	-0.51%	$43.58	31,880	20 Dec 2023	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	$7,714	-177	-0.56%	$43.58	31,703	20 Dec 2023	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	$11,069	-254	-0.8%	$43.58	31,449	20 Dec 2023	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	$2,310	-53	-0.17%	$43.58	31,396	20 Dec 2023	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 12/17/2019. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed 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 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022.
F5	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a market stock unit (MSU) award agreement dated 12/16/2020. The earning of the MSU was previously reported on Table I of the reporting person's Form 4 filed on 12/14/2023.
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 12/13/2022. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/14/2023.
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 12/14/2021. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/15/2022.
F8	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.