GARY B. SMITH - 20 Sep 2025 Form 4 Insider Report for CIENA CORP (CIEN)

Signature
By: Michelle Rankin For: Gary B Smith
Issuer symbol
CIEN
Transactions as of
20 Sep 2025
Transactions value $
-$1,312,716
Form type
4
Filing time
23 Sep 2025, 13:49:25 UTC
Previous filing
17 Sep 2025
Next filing
02 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SMITH GARY B President, CEO, Director C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER By: Michelle Rankin For: Gary B Smith 22 Sep 2025 0001032553

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CIEN Common Stock Tax liability -$413K -2.99K -1% $138.37 295K 20 Sep 2025 Direct F1, F2
transaction CIEN Common Stock Tax liability -$429K -3.1K -1.05% $138.37 292K 20 Sep 2025 Direct F2, F3
transaction CIEN Common Stock Tax liability -$241K -1.74K -0.6% $138.37 291K 20 Sep 2025 Direct F2, F4
transaction CIEN Common Stock Tax liability -$229K -1.66K -0.57% $138.37 289K 20 Sep 2025 Direct F2, F5
* 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 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022.
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 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
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 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
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 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/16/2021.