CIENA Corp EVP & Chief R&D Officer Surrenders Shares for Tax Withholding
CIENA CORP
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Filing Summary
CIENA CORP ($CIEN) Form 4: Insider Disposition for Taxes • Insider: Dino DiPerna (EVP & Chief R&D Officer) • Shares Transacted: 2,053 shares disposed (Tax Withholding) • Price per Share: $348.80 • Total Value: $716,086.40 • Shares Owned After: 37,073 shares • Transaction Date: 2026-09-20
Comprehensive Analysis
Overview of Transactions
On September 20, 2026, Dino DiPerna, Executive Vice President and Chief R&D Officer of CIENA Corp ($CIEN), disposed of an aggregate of 2,053 shares of common stock at a price of $348.80 per share, totaling approximately $716,086.40.
Transaction Details
The transaction was executed across five tranches, all coded with Transaction Code 'F', representing shares withheld by the issuer to satisfy tax withholding obligations arising from the vesting of previously granted Restricted Stock Unit (RSU) awards:
- 204 shares withheld related to an RSU award dated October 27, 2023
- 444 shares withheld related to an RSU award dated December 13, 2022
- 730 shares withheld related to an RSU award dated December 12, 2023
- 428 shares withheld related to an RSU award dated December 17, 2024
- 247 shares withheld related to an RSU award dated December 16, 2025
Following these dispositions, Mr. DiPerna directly holds 37,073 shares of CIENA Corp common stock, which includes unvested RSUs and PSUs.
Market Significance
This disposition is administrative in nature (mandatory tax withholding upon equity vesting) rather than a discretionary open-market sale. As such, it conveys low trading significance and should not be viewed as an indicator of executive sentiment regarding the company's financial health or valuation.
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