# EDGAR Filing Document

**Accession Number:** 0001802993
**File Stem:** 0001104659-23-020859
**Filing Date:** 2023-2
**Character Count:** 25648
**Document Hash:** eb4583b3256309b8c97bc452d6f7966c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-020859.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001104659-23-020859

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**GROUP MEMBERS**: FLUEQEL LTD.

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Canaan Inc.
- **CENTRAL INDEX KEY:** 0001780652
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91380
- **FILM NUMBER:** 23622996

**BUSINESS ADDRESS:**
- **STREET 1:** ROOM 2101, 21ST FLOOR,BUILDING 1,YARD 1
- **STREET 2:** NO. 81 BEIQING ROAD,
- **CITY:** HAIDIAN DISTRICT, BEIJING,
- **STATE:** F4
- **ZIP:** 100094
- **BUSINESS PHONE:** 86 010 60974080

**MAIL ADDRESS:**
- **STREET 1:** ROOM 2101, 21ST FLOOR,BUILDING 1,YARD 1
- **STREET 2:** NO. 81 BEIQING ROAD,
- **CITY:** HAIDIAN DISTRICT, BEIJING,
- **STATE:** F4
- **ZIP:** 100094
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Zhang Nangeng
- **CENTRAL INDEX KEY:** 0001802993

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**MAIL ADDRESS:**
- **STREET 1:** 30/F, DICARA SILVER TOWER
- **STREET 2:** 29 JIEFANG EAST ROAD, JIANGGAN DISTRICT
- **CITY:** HANGZHOU
- **STATE:** F4
- **ZIP:** 310016

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 13G**

**Under the Securities Exchange Act of 1934<br> (Amendment No. 3)\***

---

| |
|:---|
| &nbsp;&nbsp;**Canaan Inc.** |
| &nbsp;&nbsp;(Name of Issuer) |
| &nbsp;&nbsp;**Class A Ordinary Shares, par value US$0.00000005 per share** |
| &nbsp;&nbsp;(Title of Class of Securities) |
| &nbsp;&nbsp;**134748 102<sup>(1)</sup>** |
| &nbsp;&nbsp;(CUSIP Number) |
| &nbsp;&nbsp;**December 31, 2022** |
| &nbsp;&nbsp;(Date of Event Which Requires Filing of this Statement) |

---

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

◻ Rule 13d-1(b)

◻ Rule 13d-1(c)

⌧ Rule
 13d-1(d)

\* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the *Notes*).

(1) This CUSIP number applies
 to the Issuer's American Depositary Shares, each representing 15 Class A ordinary shares.

(Continued on following pages)

CUSIP NO.: 134748 102

---

| | | | | |
|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;**1** | &nbsp;&nbsp;Names of Reporting Persons | &nbsp;&nbsp;Names of Reporting Persons | &nbsp;&nbsp;Names of Reporting Persons | &nbsp;&nbsp;Names of Reporting Persons |
|  | &nbsp;&nbsp;Nangeng Zhang | &nbsp;&nbsp;Nangeng Zhang | &nbsp;&nbsp;Nangeng Zhang | &nbsp;&nbsp;Nangeng Zhang |
| &nbsp;&nbsp;**2** | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) |
|  |  |  | &nbsp;&nbsp; &nbsp;&nbsp;(a) | &nbsp;&nbsp;◻ |
|  |  |  | &nbsp;&nbsp; &nbsp;&nbsp;(b) | &nbsp;&nbsp;◻ |
| &nbsp;&nbsp;**3** | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only |
| &nbsp;&nbsp;**4** | &nbsp;&nbsp;Citizenship or Place of Organization | &nbsp;&nbsp;Citizenship or Place of Organization | &nbsp;&nbsp;Citizenship or Place of Organization | &nbsp;&nbsp;Citizenship or Place of Organization |
|  | &nbsp;&nbsp;People's Republic of China | &nbsp;&nbsp;People's Republic of China | &nbsp;&nbsp;People's Republic of China | &nbsp;&nbsp;People's Republic of China |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**5** | &nbsp;&nbsp;Sole Voting Power | &nbsp;&nbsp;Sole Voting Power |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;330855589<sup>(1)</sup> | &nbsp;&nbsp;330855589<sup>(1)</sup> |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**6** | &nbsp;&nbsp;Shared Voting Power | &nbsp;&nbsp;Shared Voting Power |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;0 | &nbsp;&nbsp;0 |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**7** | &nbsp;&nbsp;Sole Dispositive Power | &nbsp;&nbsp;Sole Dispositive Power |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;330855589<sup>(1)</sup> | &nbsp;&nbsp;330855589<sup>(1)</sup> |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**8** | &nbsp;&nbsp;Shared Dispositive Power | &nbsp;&nbsp;Shared Dispositive Power |
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares<br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;0 | &nbsp;&nbsp;0 |
| &nbsp;&nbsp;**9** | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person |
|  | &nbsp;&nbsp;330855589<sup>(1)</sup> | &nbsp;&nbsp;330855589<sup>(1)</sup> | &nbsp;&nbsp;330855589<sup>(1)</sup> | &nbsp;&nbsp;330855589<sup>(1)</sup> |
| &nbsp;&nbsp;**10** | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) |
|  | &nbsp;&nbsp;◻ | &nbsp;&nbsp;◻ | &nbsp;&nbsp;◻ | &nbsp;&nbsp;◻ |
| &nbsp;&nbsp;**11** | &nbsp;&nbsp;Percent of class represented by amount in row (9) | &nbsp;&nbsp;Percent of class represented by amount in row (9) | &nbsp;&nbsp;Percent of class represented by amount in row (9) | &nbsp;&nbsp;Percent of class represented by amount in row (9) |
|  | &nbsp;&nbsp;11.8% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.8% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.5% of the total outstanding voting power.<sup>(3)</sup> | &nbsp;&nbsp;11.8% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.8% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.5% of the total outstanding voting power.<sup>(3)</sup> | &nbsp;&nbsp;11.8% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.8% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.5% of the total outstanding voting power.<sup>(3)</sup> | &nbsp;&nbsp;11.8% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.8% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.5% of the total outstanding voting power.<sup>(3)</sup> |
| &nbsp;&nbsp;**12** | &nbsp;&nbsp;Type of Reporting Person (See Instructions) | &nbsp;&nbsp;Type of Reporting Person (See Instructions) | &nbsp;&nbsp;Type of Reporting Person (See Instructions) | &nbsp;&nbsp;Type of Reporting Person (See Instructions) |
|  | &nbsp;&nbsp;IN | &nbsp;&nbsp;IN | &nbsp;&nbsp;IN | &nbsp;&nbsp;IN |

---

(1) Represents (a) 311,624,444 Class B ordinary shares held by Flueqel Ltd., each of which is convertible into one Class A ordinary
 share at any time by Flueqel Ltd at any time, and (b) 19,231,145 Class A ordinary shares, including 18,988,305 Class A ordinary
 shares acquired by Mr. Nangeng Zhang pursuant to the terms of the restricted share units granted to him under the Amended and
 Restated 2018 Share Incentive Plan, and 242,840 Class A ordinary shares purchased from open market.

(2) The percentage of the class of securities beneficially owned by each reporting person is calculated based on 2,804,138,492 issued and
outstanding ordinary shares as a single class, being the sum of 2,492,514,048 Class A ordinary shares and 311,624,444 Class B ordinary
shares of the Issuer issued and outstanding as of December 31, 2022, assuming conversion of all Class B ordinary shares into Class A ordinary
shares.

(3) The percentage of voting power is calculated by dividing the voting power
 beneficially owned by such person or group by the voting power of all of Class A ordinary
 shares and Class B ordinary shares of the Issuer issued and outstanding as of December 31,
 2022. In respect of all matters subject to a shareholders' vote, each Class A ordinary
 share is entitled to one vote, and each Class B ordinary share is entitled to 15 votes, voting
 together as one class. Each Class B ordinary share is convertible into one Class A ordinary
 share at any time by the holder thereof. Class A ordinary shares are not convertible into
 Class B ordinary shares under any circumstances.

Page 2 of 7

---

| | | | | |
|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;**1** | &nbsp;&nbsp;Names of Reporting Persons | &nbsp;&nbsp;Names of Reporting Persons | &nbsp;&nbsp;Names of Reporting Persons | &nbsp;&nbsp;Names of Reporting Persons |
|  | &nbsp;&nbsp;Flueqel Ltd. | &nbsp;&nbsp;Flueqel Ltd. | &nbsp;&nbsp;Flueqel Ltd. | &nbsp;&nbsp;Flueqel Ltd. |
| &nbsp;&nbsp;**2** | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) | &nbsp;&nbsp;Check the appropriate box if a member of a Group (see instructions) |
|  |  |  | &nbsp;&nbsp; &nbsp;&nbsp;(a) | &nbsp;&nbsp;◻ |
|  |  |  | &nbsp;&nbsp; &nbsp;&nbsp;(b) | &nbsp;&nbsp;◻ |
| &nbsp;&nbsp;**3** | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only |
| &nbsp;&nbsp;**4** | &nbsp;&nbsp;Citizenship or Place of Organization | &nbsp;&nbsp;Citizenship or Place of Organization | &nbsp;&nbsp;Citizenship or Place of Organization | &nbsp;&nbsp;Citizenship or Place of Organization |
|  | &nbsp;&nbsp;British Virgin Islands | &nbsp;&nbsp;British Virgin Islands | &nbsp;&nbsp;British Virgin Islands | &nbsp;&nbsp;British Virgin Islands |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**5** | &nbsp;&nbsp;Sole Voting Power | &nbsp;&nbsp;Sole Voting Power |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;311624444<sup>(1)</sup> | &nbsp;&nbsp;311624444<sup>(1)</sup> |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**6** | &nbsp;&nbsp;Shared Voting Power | &nbsp;&nbsp;Shared Voting Power |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;0 | &nbsp;&nbsp;0 |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**7** | &nbsp;&nbsp;Sole Dispositive Power | &nbsp;&nbsp;Sole Dispositive Power |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;311624444<sup>(1)</sup> | &nbsp;&nbsp;311624444<sup>(1)</sup> |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;**8** | &nbsp;&nbsp;Shared Dispositive Power | &nbsp;&nbsp;Shared Dispositive Power |
| &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: | &nbsp;&nbsp;Number of Shares <br> Beneficially Owned <br> by Each Reporting <br> Person With: |  | &nbsp;&nbsp;0 | &nbsp;&nbsp;0 |
| &nbsp;&nbsp;**9** | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person | &nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person |
|  | &nbsp;&nbsp;311624444<sup>(1)</sup> | &nbsp;&nbsp;311624444<sup>(1)</sup> | &nbsp;&nbsp;311624444<sup>(1)</sup> | &nbsp;&nbsp;311624444<sup>(1)</sup> |
| &nbsp;&nbsp;**10** | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) | &nbsp;&nbsp;Check if the aggregate amount in row (9) excludes certain shares (See Instructions) |
|  | &nbsp;&nbsp;◻ | &nbsp;&nbsp;◻ | &nbsp;&nbsp;◻ | &nbsp;&nbsp;◻ |
| &nbsp;&nbsp;**11** | &nbsp;&nbsp;Percent of class represented by amount in row (9) | &nbsp;&nbsp;Percent of class represented by amount in row (9) | &nbsp;&nbsp;Percent of class represented by amount in row (9) | &nbsp;&nbsp;Percent of class represented by amount in row (9) |
|  | &nbsp;&nbsp;11.1% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.1% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.2% of the total outstanding voting power.<sup>(3)</sup> | &nbsp;&nbsp;11.1% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.1% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.2% of the total outstanding voting power.<sup>(3)</sup> | &nbsp;&nbsp;11.1% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.1% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.2% of the total outstanding voting power.<sup>(3)</sup> | &nbsp;&nbsp;11.1% of Class A ordinary shares assuming conversion of the Class B ordinary shares held by the Reporting Person only into Class A ordinary shares (or 11.1% of total Class A ordinary shares, assuming conversion of all outstanding Class B ordinary shares of the Issuer into Class A ordinary shares).<sup>(2)</sup> The voting power of the shares beneficially owned by the Reporting Person represent 65.2% of the total outstanding voting power.<sup>(3)</sup> |
| &nbsp;&nbsp;**12** | &nbsp;&nbsp;Type of Reporting Person (See Instructions) | &nbsp;&nbsp;Type of Reporting Person (See Instructions) | &nbsp;&nbsp;Type of Reporting Person (See Instructions) | &nbsp;&nbsp;Type of Reporting Person (See Instructions) |
|  | &nbsp;&nbsp;CO | &nbsp;&nbsp;CO | &nbsp;&nbsp;CO | &nbsp;&nbsp;CO |

---

(1) Represents 311,624,444 Class B ordinary shares held by Flueqel Ltd.

(2) The percentage of the class of securities beneficially owned by each reporting person is calculated based on 2,804,138,492 issued and
outstanding ordinary shares as a single class, being the sum of 2,492,514,048 Class A ordinary shares and 311,624,444 Class B ordinary
shares of the Issuer issued and outstanding as of December 31, 2022, assuming conversion of all Class B ordinary shares into Class A ordinary
shares.

(3) The percentage of voting power is calculated by dividing the voting power
 beneficially owned by such person or group by the voting power of all of Class A ordinary
 shares and Class B ordinary shares of the Issuer issued and outstanding as of December 31,
 2022. In respect of all matters subject to a shareholders' vote, each Class A ordinary
 share is entitled to one vote, and each Class B ordinary share is entitled to 15 votes, voting
 together as one class. Each Class B ordinary share is convertible into one Class A ordinary
 share at any time by the holder thereof. Class A ordinary shares are not convertible into
 Class B ordinary shares under any circumstances.

Page 3 of 7

**Item 1**

**(a)** **Name of Issuer:** 

Canaan Inc.

**(b)** **Address of Issuer's Principal Executive Offices:** 

28 Ayer Rajah Crescent #06-08, S139959, Singapore.

**Item 2.**

**(a)** **Name of Person Filing:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Nangeng Zhang, a citizen
 of the People's Republic of China; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Flueqel Ltd. ("Flueqel"), a company organized under the
 law of the British Virgin Islands and indirectly wholly owned by a trust of which Nangeng
 Zhang is the beneficiary.

**(b)** **Address of Principal Business Office or, if None, Residence:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) The address of Nangeng Zhang is 28 Ayer Rajah Crescent #06-08, S139959, Singapore.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) The registered address of Flueqel is Sertus Chambers, P.O. Box 905,
 Quastisky Building, Road Town, Tortola, British Virgin Islands.

**(c)** **Citizenship:** 

Nangeng Zhang is a citizen of the People's Republic of China. Flueqel is organized under the law of the British Virgin Islands.

**(d)** **Title and Class of Securities:** 

Class A ordinary shares, par value US$0.00000005 per share. Each Class B ordinary share is convertible into one Class A ordinary share at any time by the holder thereof. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances.

**(e)** **CUSIP No.:** 

134748 102

**Item 3.** **If this statement is filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:**

Not applicable.

Page 4 of 7

**Item 4.** **Ownership:**

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| Reporting Person<sup>(1)</sup> | Amount<br> beneficially<br> owned | <br> Percent of class<sup>(2)</sup> | Sole power <br> to vote or<br> direct to <br> vote<sup>(1)</sup> | Shared <br> power to <br> vote or to <br> direct the<br> vote | Sole power<br> to dispose or <br> to direct the<br> disposition<br> of<sup>(1)</sup> | Shared <br> power to<br> dispose or <br> to direct<br> the <br> disposition <br> of | Percentage<br> of <br> aggregate<br> voting<br> power<sup>(3)</sup> |
| Nangeng Zhang | 330855589 | 11.8% | 330855589 | 0 | 330855589 | 0 | 65.5% |
| Flueqel | 311624444 | 11.1% | 311624444 | 0 | 311624444 | 0 | 65.2% |

---

(1) As of December 31, 2022, Flueqel directly owned 311,624,444 of the Issuer's
 Class B ordinary shares. Flueqel is indirectly wholly owned by a trust of which Nangeng Zhang
 is the beneficiary. Accordingly, Nangeng Zhang may thereby be deemed to beneficially own
 the 311,624,444 Class B ordinary shares owned by Flueqel.

(2) The percentage of the class of securities beneficially owned by each reporting person is calculated based on 2,804,138,492 issued and
outstanding ordinary shares as a single class, being the sum of 2,492,514,048 Class A ordinary shares and 311,624,444 Class B ordinary
shares of the Issuer issued and outstanding as of December 31, 2022, assuming conversion of all Class B ordinary shares into Class A ordinary
shares.

(3) The percentage of voting power is calculated by dividing the voting power
 beneficially owned by such person or group by the voting power of all of Class A ordinary
 shares and Class B ordinary shares of the Issuer issued and outstanding as of December 31,
 2022. In respect of all matters subject to a shareholders' vote, each Class A ordinary
 share is entitled to one vote, and each Class B ordinary share is entitled to 15 votes, voting
 together as one class. Each Class B ordinary share is convertible into one Class A ordinary
 share at any time by the holder thereof. Class A ordinary shares are not convertible into
 Class B ordinary shares under any circumstances.

**Item 5.** **Ownership of Five Percent or Less of a Class.**

Not applicable.

**Item 6.** **Ownership of more than Five Percent on Behalf of Another Person.**

Not applicable.

**Item 7.** **Identification and classification of the subsidiary which acquired the security being reported on by the parent holding company or control person.**

Not applicable.

**Item 8.** **Identification and classification of members of the group.**

Not applicable.

**Item 9.** **Notice of Dissolution of Group.**

Not applicable.

**Item 10.** **Certifications.**

Not applicable.

Page 5 of 7

**SIGNATURES**

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 14, 2023

---

| | |
|:---|:---|
| **Nangeng Zhang** | **Nangeng Zhang** |
| By: | /s/ Nangeng Zhang |
| Name: | Nangeng Zhang |
| **Flueqel Ltd.** | **Flueqel Ltd.** |
| By: | /s/ Nangeng Zhang |
| Name: | Nangeng Zhang |
| Title: | Authorized Signatory |

---

Page 6 of 7

**EXHIBIT INDEX**

Exhibit

[99.1](tm236776d1_ex99-1.htm) [Joint Filing Agreement](tm236776d1_ex99-1.htm)

Page 7 of 7

## Exhibit 99.1

**Exhibit 99.1**

**Joint Filing Agreement** 

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Class A ordinary shares, US$0.00000005 par value per share, of Canaan Inc., a Cayman Islands company, and that this Agreement may be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

[*Signature Page Follows*]

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of February 14 , 2023.

---

| | |
|:---|:---|
| **Nangeng Zhang** | **Nangeng Zhang** |
| By: | /s/ Nangeng Zhang |
| Name: | Nangeng Zhang |
| **Flueqel Ltd.** | **Flueqel Ltd.** |
| By: | /s/ Nangeng Zhang |
| Name: | Nangeng Zhang |
| Title: | Authorized Signatory |

---

*[Signature Page to the Joint Filing Agreement]*

<br>