A direct manual trade of 1.02 million shares of AIA (01299) was registered at 3:58p.m.
The deal amounted to HK$57.99m, or at HK$57.025 per share, 0.7% lower than previous close.
AIA is now trading down 0.61% to HK$57.05, with 29.83 million shares of HK$1.7b changing hands.