Schedule 13G/A
CUSIP 134748102
ITEM 1.
(a) Name of Issuer: Canaan Inc.
(b) Address of Issuer’s Principal Executive Offices: 30/F, Dicara Silver Tower, 29 Jiefang East Road, Jianggan District, Hangzhou, People’s Republic of China
ITEM 2.
(a) Name of Person Filing:
Qifeng Sun
(b) Address of Principal Business Office, or if None, Residence:
Qifeng Sun: 31/F, Dicara Silver Tower, 29 Jiefang East Road, Jianggan District, Hangzhou, Zhejiang Province, People’s Republic of China
(c) Citizenship:
Qifeng Sun: People’s Republic of China
(d) Title of Class of Securities: Class A ordinary shares, par value US$0.00000005 per share, of the Issuer
(e) CUSIP Number: 134748102
CUSIP number 134748102 has been assigned to the ADSs of the Issuer. Each ADS represents 15 ordinary shares of the Issuer.
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SS.240.13d-1(b) OR 240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:
Not Applicable
ITEM 4. OWNERSHIP.
| (a) | Amount beneficially owned: |
See the response to Item 9 on the attached cover page.
See the responses to Item 11 on the attached cover page.
| (c) | Number of shares as to which the person has: |
| (i) | Sole power to vote or to direct the vote: |
See the responses to Item 5 on the attached cover page.
| (ii) | Shared power to vote or to direct the vote: |
See the responses to Item 6 on the attached cover page.
3