Graff Marc D. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Graff Marc D. has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $115K.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-06CIENCIENA CORPS — Open-market sale126$466.20$59K
2026-06-26CIENCIENA CORPS — Open-market sale126$449.36$57K
2026-06-23CIENCIENA CORPF — Tax withholding / forfeiture199$428.22$85K
2026-03-24CIENCIENA CORPF — Tax withholding / forfeiture199$383.89$76K
2025-12-18CIENCIENA CORPA — Grant or award9.3K$0.00
2025-08-01CIENCIENA CORPA — Grant or award118.3K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Graff Marc D.?

Graff Marc D. is a corporate insider — currently tracked as SVP & Chief Financial Officer of CIENA CORP (CIEN). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Graff Marc D. submitted recently?

3 primary Form 4 filings in the last 90 days, covering 1 company.

Has Graff Marc D. been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($115K) across all tracked filings.

Where can I see all of Graff Marc D.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Graff Marc D. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.