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Company

Horizon Quantum Holdings Ltd.

HQ · CIK 0002088256

SEC FORM 4
$0.00

Horizon Quantum Holdings Ltd. (HQ)

Acquisition (code M) of 14,321 shares at $0 per share.

Reporting Person Fitzsimons Joseph Francis · Officer Title Chief Executive Officer · Transaction Code M

Traded Sep 12, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001213900-26-100279 · filed 2026-09-15 · View filing →

SEC FORM 4
$0.00

Horizon Quantum Holdings Ltd. (HQ)

Acquisition (code M) of 5,728 shares at $0 per share.

Reporting Person Tan Si-Hui · Officer Title Chief Science Officer · Transaction Code M

Traded Sep 12, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001213900-26-100280 · filed 2026-09-15 · View filing →

SEC FORM 4
$0.00

Horizon Quantum Holdings Ltd. (HQ)

Acquisition (code M) of 3,437 shares at $0 per share.

Reporting Person Gould Greg · Officer Title Chief Financial Officer · Transaction Code M

Traded Sep 12, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001213900-26-100281 · filed 2026-09-15 · View filing →

SEC FORM 4
$0.00

Horizon Quantum Holdings Ltd. (HQ)

Acquisition (code M) of 2,148 shares at $0 per share.

Reporting Person Fitzsimons Catherine Michele · Officer Title CL and CO · Transaction Code M

Traded Sep 12, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001213900-26-100283 · filed 2026-09-15 · View filing →

SEC FORM 4
$0.00

Horizon Quantum Holdings Ltd. (HQ)

Acquisition (code A) of 3,600 shares at $0 per share.

Reporting Person Tan Si-Hui · Officer Title Chief Science Officer · Transaction Code A

Traded Aug 20, 2026 · Disclosed Sep 15, 2026FILED +26 DAYS

Source: SEC Form 4 · 0001213900-26-100280 · filed 2026-09-15 · View filing →