Bruce L. Claflin - Sep 24, 2025 Form 4 Insider Report for CIENA CORP (CIEN)

Role
Director
Signature
By: Michelle Rankin For: Bruce L. Claflin
Stock symbol
CIEN
Transactions as of
Sep 24, 2025
Transactions value $
-$1,185,555
Form type
4
Date filed
9/26/2025, 11:37 AM
Previous filing
May 8, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Claflin Bruce L. Director C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER By: Michelle Rankin For: Bruce L. Claflin 2025-09-25 0001403694

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CIEN Common Stock Sale -$1.19M -8.46K -13.41% $140.12 54.6K Sep 24, 2025 Direct F1
transaction CIEN Common Stock Gift -4.39K -8.03% 50.2K Sep 24, 2025 Direct F1, F2
holding CIEN Common Stock 11.1K Sep 24, 2025 By spousal trust F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares reported include unvested Restricted Stock Units (RSUs).
F2 These shares were given as a gift for which no consideration was received by the Reporting Person.
F3 The beneficiaries of the trust are the reporting person's spouse and children. The reporting person disclaims beneficial ownership of the securities held by the trust.