CIENA Insider Kosaraju Sheela Files Form 4 on Ownership Change

TL;DR

**CIENA insider filed a Form 4, signaling a change in their stock ownership.**

AI Summary

This Form 4 filing, dated March 24, 2026, indicates that Kosaraju Sheela, an insider at CIENA CORP, has filed a statement of changes in beneficial ownership of securities. While the filing itself doesn't detail specific transactions, it signals that Sheela's ownership of CIENA CORP stock has changed. This matters to investors because insider transactions can provide clues about how those closest to the company view its future prospects, potentially influencing stock price movements.

Why It Matters

This filing signals a change in an insider's stake, which can be interpreted by the market as a vote of confidence or concern, potentially impacting CIENA CORP's stock price.

Risk Assessment

Risk Level: low — This filing is purely informational and does not inherently pose a direct financial risk, but rather provides data for investor analysis.

Analyst Insight

A smart investor would monitor subsequent filings or news for details on whether Kosaraju Sheela bought or sold shares, as this would provide more actionable insight into insider sentiment regarding CIENA CORP.

Key Players & Entities

• Kosaraju Sheela (person) — Reporting owner (insider) for CIENA CORP
• CIENA CORP (company) — The issuer of the securities
• 0001963781 (person) — CIK for Kosaraju Sheela
• 0000936395 (company) — CIK for CIENA CORP
• 2026-03-24 (date) — Filing Date and Accepted Date
• 2026-03-20 (date) — Period of Report

Forward-Looking Statements

• The market will likely await further details on the nature of Kosaraju Sheela's transactions (buy or sell) to assess the sentiment. (CIENA CORP stock price) — medium confidence, target: 2026-03-25

FAQ

Filing Documents

• form4.html (4)
• form4.xml (4) — 10KB
• 0001123292-26-000500.txt ( ) — 12KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * Kosaraju Sheela (Last) (First) (Middle) C/O CIENA CORPORATION 7035 RIDGE RD. (Street) HANOVER MARYLAND 21076-1426 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol CIENA CORP [ CIEN ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) SVP and General Counsel 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/20/2026 F 164 (1) D $ 383.89 95,967 (2) D Common Stock 03/20/2026 F 728 (3) D $ 383.89 95,239 (2) D Common Stock 03/20/2026 F 578 (4) D $ 383.89 94,661 (2) D Common Stock 03/20/2026 F 344 (5) D $ 383.89 94,317 (2) D Common Stock 03/20/2026 F 198 (6) D $ 383.89 94,119 (2) D Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Explanation of Responses: 1. 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 3 filed on 2/3/2023. 2. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). 3. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 2/1/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 2/3/2023. 4. 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. 5. 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. 6. Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025. By: Michelle Rankin For: Sheela Kosaraju 03/24/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more t

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