Dino DiPerna - 16 Dec 2025 Form 4 Insider Report for CIENA CORP (CIEN)

Signature
By: Michelle Rankin For: Dino DiPerna
Issuer symbol
CIEN
Transactions as of
16 Dec 2025
Transactions value $
$0
Form type
4
Filing time
18 Dec 2025, 12:31:25 UTC
Previous filing
18 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DiPerna Dino SVP Global R&D C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER By: Michelle Rankin For: Dino DiPerna 17 Dec 2025 0001998460

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CIEN Common Stock Award $0 +14.3K +37.64% $0.00 52.4K 16 Dec 2025 Direct F1, F2
transaction CIEN Common Stock Award $0 +7.39K +14.11% $0.00 59.8K 16 Dec 2025 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the number of stock units earned pursuant to the terms of a performance stock unit (PSU) award granted on December 17, 2024 reflecting the achievement of the related performance conditions. These shares vest in equal 1/2 amounts on each of December 20, 2025 and 2026.
F2 Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
F3 Reflects Restricted Stock Units (RSUs) that vest over four years, with one-sixteenth of the grant amount vesting on March 20, June 20, September 20, and December 20 of each year, commencing on March 20, 2026.