SEC CIK 1444157

Rothenstein David M

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
CIENview stock →180,2312026-08-14

Position History — CIEN

Reported shares owned immediately after each Form 4 transaction, over time.

064,194128,387192,5812026-042026-052026-062026-062026-062026-062026-062026-062026-072026-08

Recent Filings — CIEN

DateActivitySharesPriceOwned After
2026-08-14Open-market sale2,500$438.10180,231
2026-07-15Open-market sale2,500$420.91182,731
2026-06-20Tax withholding220$428.22185,231
2026-06-20Tax withholding436$428.22185,451
2026-06-20Tax withholding811$428.22185,887
2026-06-20Tax withholding204$428.22186,698
2026-06-20Tax withholding679$428.22186,902
2026-06-15Open-market sale2,500$457.07187,581
2026-05-15Open-market sale2,500$562.39190,081
2026-04-15Open-market sale2,500$467.65192,581

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.