Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Graff Marc D.. Officer active across 1 company, notably CIENA CORP. Aggregated, 8 filings have been published. Split: 0 buy · 3 sells. Total volume traded: €1.9m. Activity tracked since 1 August 2025. The latest transaction was filed on 14 August 2026 (Cession). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Graff Marc D.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Graff Marc D. is a declarant linked to CIENA CORP, where he is SVP & Chief Financial Officer. The file shows 5 filings in total, and among the 5 most recent filings we hold, the modal transaction type is sale, with sum_sell_eur at 51627 and sum_buy_eur at 0, over the period from 2025-08-05 to 2026-07-06.