Dino Diperna - 20 Sep 2024 Form 4 Insider Report for CIENA CORP (CIEN)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CIEN	Common Stock	Tax liability	$21,613	-368	-0.9%	$58.73	40,457	20 Sep 2024	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	$11,981	-204	-0.5%	$58.73	40,253	20 Sep 2024	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	$26,076	-444	-1.1%	$58.73	39,809	20 Sep 2024	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	$42,873	-730	-1.8%	$58.73	39,079	20 Sep 2024	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	$18,735	-319	-0.82%	$58.73	38,760	20 Sep 2024	Direct	F2, F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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 reporting person's Form 3 filed on 10/31/2023.
F2	Shares reported include unvested Restricted Stock Units (RSUs).
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 10/27/2023. Acquisition of the RSU was previously reported in Table I of reporting person's Form 4 filed on 10/31/2023.
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 reporting person's Form 3 filed on 10/31/2023.
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 12/12/2023. Acquisition of the RSU was previously reported in 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 restricted stock unit (RSU) award agreement dated 12/14/2021. Acquisition of the RSU was previously reported in Table I of reporting person's Form 3 filed on 10/31/2023.