Insiders who reported open-market trades in the last 12 months at the companies David M. Rothenstein files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Gary B. Smith - $25.63M in CIEN purchases and sales in the last 12 months
Jason Phipps - $16.48M in CIEN purchases and sales in the last 12 months
Brodie Gage - $5.43M in CIEN purchases and sales in the last 12 months
Dino Diperna - $3.57M in CIEN purchases and sales in the last 12 months
Sheela Kosaraju - $2.59M in CIEN purchases and sales in the last 12 months
Marc D. Graff - $2.30M in CIEN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
David M. Rothenstein is a corporate insider, tracked as EVP & Chief Strategy Officer of CIENA CORP (CIEN). InsiderAlpha holds 23 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David M. Rothenstein submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has David M. Rothenstein been buying or selling stock?
Recorded transactions: 0 open-market purchases and 17 open-market sales ($11.31M) across all tracked filings.
David M. Rothenstein is EVP & Chief Strategy Officer of CIENA CORP (CIEN). 23 SEC Form 4 filings on record going back to 2024, most recently on 22 September 2026. Most recent open-market trade: sold $826K of CIEN on 17 September 2026. Lifetime open-market sales: $11.31M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by David M. Rothenstein.
InsiderAlpha's records for David M. Rothenstein go back to 2024: 23 primary Form 4 filings, an average of 7.7 per year. 14 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
