Reporting owner · Q3 2026 · CIK 1444157

Rothenstein David M: insider trades.

Rothenstein David M reported 8 non-derivative transactions on 4 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($3.0M), across 1 company.

Transactions
8
Purchases (P)
0
Sales (S)
3
Companies
1
Name as filed
Rothenstein David M

Companies

CompanyRelationshipTransactions
Ciena Corp (CIEN)Officer · EVP & Chief Strategy Officer8

Transactions

8 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-09-20Ciena CorpF436$348.8175,601Form 4
2026-09-20Ciena CorpF811$348.8176,037Form 4
2026-09-20Ciena CorpF204$348.8176,848Form 4
2026-09-20Ciena CorpF679$348.8177,052Form 4
2026-09-20Ciena CorpF220$348.8175,381Form 4
2026-09-15Ciena CorpS2,500$330.48177,731Form 4
2026-08-14Ciena CorpS2,500$438.1180,231Form 4
2026-07-15Ciena CorpS2,500$420.91182,731Form 4

Questions

What stock did Rothenstein David M buy or sell?

Rothenstein David M reported 8 non-derivative transactions on 4 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($3.0M), across 1 company.

Is Rothenstein David M the same person as other filers with this name?

This page covers SEC CIK 1444157 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/rothenstein-david-m-1444157.md

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