Form 4 for HQ Horizon Quantum Holdings Ltd.
Accepted 2026-03-24 00:00:00 ET · period of report 2026-03-19 · accession 0001213900-26-033688 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-24 | 2026-03-19 | HQ | Fitzsimons Joseph Francis | CEO, Dir, 10% | A - Grant | — | +19.74M | 19.74M | New | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class B Ordinary Shares | 2026-03-19 | A | A | 19,744,585 | — | 19,744,585 | D | — | — | (F1) Each Class B ordinary share, with no par value (the "Class B Ordinary Shares"), is convertible, at any time, in exchange for one Class A ordinary share, with no par value (the "Class A Ordinary Shares"). (F2) Class B Ordinary Shares, received on March 19, 2026, upon the closing of business combination (the "Business Combination") contemplated by the Business Combination Agreement, dated as of September 9, 2025 (the "BCA"), by and among Horizon Quantum Computing Pte. Ltd. ("Legacy Horizon"), dMY Squared Technology Group, Inc., Horizon Quantum Holdings Ltd. (the "Company") and certain other parties, as described in the Registration Statement on Form F-4, as amended and supplemented (File No. 333-292737), initially filed with the U.S. Securities and Exchange Commission on January 14, 2026, and declared effective on February 17, 2026. (F3) Pursuant to the BCA and as a result of the Business Combination, Dr. Fitzsimons exchanged his then outstanding 8,108,696 ordinary shares of Legacy Horizon for 19,744,585 Class B Ordinary Shares of the Company. |