Explore the full record of transactions filed by Schaeffer Dave, 董事长兼首席执行官. Director active across 1 company, notably Cogent Communications Holdings, INC.. Aggregated, 60 disclosures have been published. Breakdown: 0 buy · 47 sells. Total volume traded: €152.6m. History available since 3 January 2022. The latest transaction was filed on 1 April 2026 (Disposition). Regulator: SEC (Form 4). The full history is accessible without signup.
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SCHAEFFER DAVE is President-Directeur Général at Cogent Communications Holdings, INC., where the listed role is CHAIRMAN, CEO, AND PRESIDENT. Across 60 filings in total, the 60 sampled filings between 2022-01-05 and 2026-04-02 show sales of EUR 159355781 and no buys, with Cession as the modal transaction nature.