Skip to Main Content
Insider Trading

Last Updated: 5 days, 1 hour ago

Marc D. Graff has an estimated net worth of at least $58.8 million*, as of June 24, 2026. They own 127,081 shares of CIEN stock. They have sold 126 shares of CIEN stock since 2021, for an estimated $0.

Marc D. Graff $CIEN SEC Form 4 Insider Trading

Marc D. Graff has filed a total of 1 insider trades in $CIEN since 2021. Their most recent trade was a sale of 126 shares, made on Jun 24, 2026. Their largest trade was a sale of 126 shares, made on Jun 24, 2026. We estimate that they now own 127,081 shares of $CIEN, worth an estimated $58.8 million.



Insider Trading at $CIEN

There have been a total of 367 insider trades reported at $CIEN since 2021, with 0 shares purchased and 1.3 million shares sold. The most active insider traders in $CIEN stock have been Gary B Smith, David M Rothenstein, and Jason Phipps. The most recent trade was a sale of 126 shares reported by Marc D. Graff (SVP & Chief Financial Officer), made on Jun 24, 2026.



History of Insider Stock Trades by Marc D. Graff

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
CIEN logo CIEN Sale 126 Jun 24, 2026 June 26, 2026, 4:56 p.m.




$CIEN Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.