Investor Kong Jianping
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Kong Jianping . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-27 13D/A CTLE / Nano Labs Corp 27,584,329 4,918,545
2024-10-02 13D/A CTLE / Nano Labs Corp 26,476,394 27,584,329
2024-09-25 13D/A CTLE / Nano Labs Corp 7,592,979 26,476,394
2024-05-07 13D/A CTLE / Nano Labs Corp 6,704,981 7,592,979
2024-02-05 13D/A CTLE / Nano Labs Corp 13,409,961 6,704,981
2023-09-22 13D NA / Nano Labs Ltd 33,997,821 13,409,961
2023-02-13 13G / Nano Labs Ltd 33,997,821
2022-02-14 13G/A NCTY / The9 Limited - Depositary Receipt (Common Stock) 57,042,016 58,384,516
2021-11-17 13G NCTY / The9 Limited - Depositary Receipt (Common Stock) 57,042,016
2021-02-10 13G/A CAN / Canaan Inc. - Depositary Receipt (Common Stock) 267,913,333 77,949,328
2020-02-13 13G CAN / Canaan Inc. - Depositary Receipt (Common Stock) 267,913,333