Horizon Quantum Holdings Ltd.
Last updated September 27, 2026
Organization details
- Legal name
- Horizon Quantum Holdings Ltd.
- Former names
- Rose Holdco Pte. Ltd.
- Ownership
- Public
- Status
- Active
- SIC code
- 7371 — Services-Computer Programming Services
- Jurisdiction of incorporation
- Singapore
- Headquarters city
- Singapore
- Headquarters country
- Singapore
- Fiscal year end
- December
- Ticker symbol
- HQ
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0002088256
Board of directors
-
Danielle Lambert · DirectorSince 2026
- Since 2026
-
Jill Ann Turner · DirectorSince 2026
-
Joseph Francis Fitzsimons · Director · Chief Executive OfficerSince 2026
-
Peter Henry Oey · DirectorSince 2026
Chief executives
Joseph Francis Fitzsimons
· Chief Executive Officer
Since March 2026
Board connections
2 of this board's directors also sit on 5 other boards.
- via Harry L. You
- via Harry L. You
- via Peter Henry Oey
- via Harry L. You
- via Harry L. You
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $999,996
- 1 purchase by 1 insider
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 12, 2026 | Fitzsimons Catherine Michele Officer (CL and CO) | Option exercise | +2,148 | — | — |
| Sep 12, 2026 | Joseph Francis Fitzsimons Director, Officer (Chief Executive Officer), 10% owner | Option exercise | +14,321 | — | — |
| Sep 12, 2026 | Gould Greg Officer (Chief Financial Officer) | Option exercise | +3,437 | — | — |
| Sep 12, 2026 | Fitzsimons Catherine Michele Officer (CL and CO) | Sold back to the company | −1,122 | $15.22 | $17,077 |
| Sep 12, 2026 | Joseph Francis Fitzsimons Director, Officer (Chief Executive Officer), 10% owner | Sold back to the company | −3,438 | $15.22 | $52,326 |
| Sep 12, 2026 | Gould Greg Officer (Chief Financial Officer) | Sold back to the company | −1,272 | $15.22 | $19,360 |
| Sep 12, 2026 | Tan Si-Hui Officer (Chief Science Officer) | Option exercise | +5,728 | — | — |
| Sep 12, 2026 | Tan Si-Hui Officer (Chief Science Officer) | Sold back to the company | −2,991 | $15.22 | $45,523 |
| Aug 20, 2026 | Tan Si-Hui Officer (Chief Science Officer) | Grant or award | +3,600 | — | — |
| Mar 19, 2026 | Danielle Lambert Director | Open-market purchase | +84,602 | $11.82 | $999,996 |
| Mar 19, 2026 | Joseph Francis Fitzsimons Director, Officer (Chief Executive Officer), 10% owner | Grant or award | +19,744,585 | — | — |
| Mar 19, 2026 | Harry L. You Director, 10% owner | Grant or award | +1,163,484 | — | — |
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