# Horizon Quantum Holdings Ltd. (HQ) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/hq

> 9 non-derivative transactions: 0 purchases, 0 sales. CIK 2088256.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-12 | Fitzsimons Joseph Francis | Director, Officer, TenPercentOwner | M | 14321.0 | 0.0 | 14321.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100279/0001213900-26-100279-index.htm |
| 2026-09-12 | Fitzsimons Joseph Francis | Director, Officer, TenPercentOwner | D | 3438.0 | 15.22 | 10883.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100279/0001213900-26-100279-index.htm |
| 2026-09-12 | Tan Si-Hui | Officer | M | 5728.0 | 0.0 | 5728.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100280/0001213900-26-100280-index.htm |
| 2026-09-12 | Tan Si-Hui | Officer | D | 2991.0 | 15.22 | 2737.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100280/0001213900-26-100280-index.htm |
| 2026-09-12 | Gould Greg | Officer | M | 3437.0 | 0.0 | 3437.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100281/0001213900-26-100281-index.htm |
| 2026-09-12 | Gould Greg | Officer | D | 1272.0 | 15.22 | 2165.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100281/0001213900-26-100281-index.htm |
| 2026-09-12 | Fitzsimons Catherine Michele | Officer | M | 2148.0 | 0.0 | 2148.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100283/0001213900-26-100283-index.htm |
| 2026-09-12 | Fitzsimons Catherine Michele | Officer | D | 1122.0 | 15.22 | 1026.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100283/0001213900-26-100283-index.htm |
| 2026-08-20 | Tan Si-Hui | Officer | A | 3600.0 | 0.0 | 3600.0 | https://www.sec.gov/Archives/edgar/data/2088256/000121390026100280/0001213900-26-100280-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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