Form 4 holding
Chief Scientist, Director, 10%+ Owner
Hesai Group
- Security class
- Class A ordinary shares
- Shares / value
- 9,228,622
- Estimated value
- Report date
- 18 Mar 2026
- Price
- Ownership
- By Fermat Star Limited
Kai Sun - Chief Scientist, Director, 10%+ Owner at Hesai Group
Issuer-level insider activity
- Role
- Chief Scientist, Director, 10%+ Owner
- Issuer ticker
- HSAI on Nasdaq
- Entity type
- Individual
- Source filing history
- Open source filing history
Identity
Names, identifiers, and filing context for this profile.
1 identity field
Source evidence
Original filing metadata and source links for verification.
1 source field
No buys or sells have been reported by Kai Sun since 05 Aug 2025
Reported holdings for Kai Sun in Hesai Group
Form 4 holding
Chief Scientist, Director, 10%+ Owner
Hesai Group
- Security class
- Restricted share units
- Shares / value
- 157,000
- Estimated value
- Report date
- 25 Mar 2026
- Price
- Ownership
- Direct
- Underlying class
- Class B ordinary shares
- Underlying amount
Transaction history for Kai Sun in Hesai Group
| Sym | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares after | Date | Ownership |
|---|
* marks a reported price that did not pass the local price check.