N/A
- Buyer Chen (Family Trust), Josephine Chen and Felix Chen
- Seller Josephine Chen and Felix Chen
N/A
- Buyer Gina Chen
- Seller Urs Peter Frech
N/A
- Buyer Josephine Chen, Felix Chen, Gina Chen and Yvonne Chen
- Seller Josephine Chen, Felix Chen, Gina Chen and Yvonne Chen