Joseph Francis Fitzsimons

Companies

• Horizon Quantum Holdings Ltd.Board member Mar 19, 2026 to now¹
• Horizon Quantum Holdings Ltd.Chief executive officer Mar 19, 2026 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• HQHorizon Quantum Holdings Ltd. HQ10,883 shares²$137.8K at $12.66Sep 12, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 12, 2026Returned to company 3,438 shares at $15.22 of Horizon Quantum Holdings Ltd.²
• Sep 12, 2026Exercised options 14,321 shares of Horizon Quantum Holdings Ltd.²
• Mar 19, 2026Granted 19,744,585 shares of Horizon Quantum Holdings Ltd.³