Horizon Quantum Holdings Pte LTD Form 4 insider transactions

Qian Yi Amanda Chew, Chief Product Officer of Horizon Quantum Holdings Pte. Ltd., received 17,857 shares of common stock on August 17, 2026.

Catherine Michele Fitzsimons, CL and CO of Horizon Quantum Holdings Pte. Ltd., reported multiple transactions in common stock on June 12, 2026.

Greg Gould, Chief Financial Officer of Horizon Quantum Holdings Pte. Ltd., reported multiple transactions in common stock on June 12, 2026.

Si-Hui Tan, Chief Science Officer of Horizon Quantum Holdings Pte. Ltd., reported multiple transactions in common stock on March 19, 2026.

Joseph Francis Fitzsimons, Chief Executive Officer, a Director and 10% owner of Horizon Quantum Holdings Pte. Ltd., reported multiple transactions in common stock on June 12, 2026.

Horizon Quantum Holdings Director Danielle Lambert acquired 84,602 Class A Ordinary Shares for approximately $1 million through Penchant Family Holdings LLC following the company's business combination.

Horizon Quantum Holdings' Chief Science Officer, Si-Hui Tan, reported the exchange of 500,000 stock options into new company options following a business combination.

Horizon Quantum Holdings Ltd. CFO Greg Gould reported the exchange of 285,300 Legacy Horizon stock options for equivalent company options following a business combination.

Horizon Quantum Holdings CEO Joseph Fitzsimons acquired 19.7 million Class B Ordinary Shares following the closing of a business combination.

Harry L. You, a Director and 10% Owner, reported the acquisition of Class A Ordinary Shares and Warrants in Horizon Quantum Holdings Ltd. following a business combination.