Provenance
Each row is one owner’s program on this sail number. A boat that has changed its sail number can appear as more than one hull.
| Years | Program | Owner | Names raced | Events | Wins | Beat |
|---|---|---|---|---|---|---|
| 2013–2015 | (unnamed) | Taisei Hatter | 9403 | 3 | 0 | 57% |
| 2019 | (unnamed) | Kousel Hatter | 9403 | 1 | 0 | 50% |
| 2019–2022 | (unnamed) | Kousei Hatter | 9403, たいせい, ネビンズボート, ネビンのボート | 9 | 2 | 78% |
| 2019–2022 | Kousei Hatter | Kousei Hatter | Kousei Hatter, KOUSEI HATTER | 8 | 1 | 69% |
| 2021 | Hatter's Racing | Kousei Hatter | Hatter's Racing | 1 | 0 | 50% |
| 2022–2023 | Mad-Hatter | Kousei Hatter | Mad Hatter, Mad-Hatter, MAD-HATTER | 5 | 1 | 62% |
| 2025 | Zac A Tack | Zachary Whitton | Zac A Tack | 1 | 0 | 88% |
| 2025–2026 | 2ac-a-Tack | Zachary Whitton | 2ac a Tack, 2ac-a- Tack, 2ac-a-Tack, 2ac A-Tack | 7 | 0 | 64% |
| 2025 | Zachary Whitton | Zachary Whitton | Zachary Whitton | 2 | 0 | 81% |