SEC Form 4 insider trading filings tracked in real time from EDGAR

Tan Si-Hui — Chief Science Officer

Insider trading activity for Tan Si-Hui sourced from SEC EDGAR Form 4 filings.

Overview

  • Title: Chief Science Officer
  • Company: Horizon Quantum Holdings Ltd.
  • Total insider trades: 1
  • Total buy volume: $0
  • Total sell volume: $0
  • Last trade: Mar 25, 2026

Recent Trades

DateInsiderTicker / Company TypeSharesValue
Mar 19, 2026 Tan Si-Hui HQ Horizon Quantum Holdings Ltd. BUY 500,000 N/A

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