# EDGAR Filing Document

**Accession Number:** 0001780652
**File Stem:** 0000905148-26-001041
**Filing Date:** 2026-2
**Character Count:** 12269
**Document Hash:** fee715790c9a2366ffa72c3bc900361f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000905148-26-001041.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0000905148-26-001041

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Canaan Inc.
- **CENTRAL INDEX KEY:** 0001780652
- **STANDARD INDUSTRIAL CLASSIFICATION:** FINANCE SERVICES [6199]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91380
- **FILM NUMBER:** 26679110

**BUSINESS ADDRESS:**
- **STREET 1:** 28 AYER RAJAH CRESCENT
- **STREET 2:** #06-08
- **CITY:** SINGAPORE
- **STATE:** U0
- **ZIP:** 139959
- **BUSINESS PHONE:** 65 6305 6618

**MAIL ADDRESS:**
- **STREET 1:** 28 AYER RAJAH CRESCENT
- **STREET 2:** #06-08
- **CITY:** SINGAPORE
- **STATE:** U0
- **ZIP:** 139959
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Cipher Digital Inc.
- **CENTRAL INDEX KEY:** 0001819989
- **STANDARD INDUSTRIAL CLASSIFICATION:** FINANCE SERVICES [6199]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 851614529
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**BUSINESS ADDRESS:**
- **STREET 1:** 1 VANDERBILT AVENUE
- **STREET 2:** FLOOR 54
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
- **BUSINESS PHONE:** 332-262-2300

**MAIL ADDRESS:**
- **STREET 1:** 1 VANDERBILT AVENUE
- **STREET 2:** FLOOR 54
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Cipher Mining Inc.
- **DATE OF NAME CHANGE:** 20210830

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GOOD WORKS ACQUISITION CORP.
- **DATE OF NAME CHANGE:** 20200803

## Ex-1

**EXHIBIT 1**

**JOINT FILING AGREEMENT**

The undersigned hereby agree that the statement on Schedule 13G with respect to the Class A ordinary shares, par value US$0.00000005 per share, of Canaan Inc., dated as of February 25, 2026, is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

---

| | |
|:---|:---|
| **Cipher Digital Inc.**  | **Cipher Digital Inc.**  |
| <br> **Signature:**  | <br> /s/ William Iwaschuk  |
| **Name/Title:**  | William Iwaschuk, Co-President and Chief Legal Officer  |
| **Date:**  | 02/25/2026  |
| <br> **Cipher Mining Technologies Inc.**  | <br> **Cipher Mining Technologies Inc.**  |
| **Signature:**  | /s/ William Iwaschuk  |
| **Name/Title:**  | William Iwaschuk, Co-President and Chief Legal Officer of Cipher Digital Inc., its parent  |
| **Date:**  | 02/25/2026  |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** Canaan Inc.

**Title of Class of Securities:** Class A ordinary shares, par value US$0.00000005 per share

**CUSIP Number:** 134748102

**Date of Event Which Requires Filing of this Statement:** 02/19/2026

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

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Cipher Digital Inc. | Names of Reporting Persons<br>Cipher Digital Inc. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>806439900 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>806439900 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>806439900 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>806439900 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>7.7% | Percent of Class Represented by Amount in Row (9)<br>7.7% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

---

| 1. | Names of Reporting Persons<br>Cipher Mining Technologies Inc. | Names of Reporting Persons<br>Cipher Mining Technologies Inc. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>806439900 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>806439900 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>806439900 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>806439900 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>7.7% | Percent of Class Represented by Amount in Row (9)<br>7.7% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

---

**Item 1(a). Name of Issuer:**
Canaan Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
28 Ayer Rajah Crescent # 06-08, Singapore 139959

**Item 2(a). Name of Person Filing:**
This Statement is filed on behalf of Cipher Digital Inc. and Cipher Mining Technologies Inc. (together, the "Reporting Persons").

This Statement relates to Class A ordinary shares held directly by Cipher Black Pearl LLC and Cipher Mining Technologies Inc.  Cipher Black Pearl LLC is indirectly owned by Cipher Mining Technologies Inc.  Cipher Mining Technologies Inc. is a wholly owned subsidiary of Cipher Digital Inc.  Accordingly, Cipher Mining Technologies Inc. and Cipher Digital Inc. may each be deemed to beneficially own the Class A ordinary shares reported herein.

There is no CUSIP number assigned to the Class A ordinary shares.  CUSIP number 134748102 is assigned to the Issuer's American Depositary Shares ("ADSs").  Each ADS represents 15 of the Issuer's Class A ordinary shares.

**Item 2(b). Address of Principal Business Office:**
The business address of each of the Reporting Persons is 1 Vanderbilt Avenue, Floor 54, New York, NY.

**Item 2(c). Citizenship:**
Each Reporting Person is a Delaware corporation.

**Item 2(d). Title of Class of Securities:**
Class A ordinary shares, par value US$0.00000005 per share

**Item 2(e). CUSIP Number:**
134748102

**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:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

As of the date hereof, each Reporting Person may be deemed the beneficial owner of 806,439,900 Class A ordinary shares, including 210,049,718 Class A ordinary shares held directly by Cipher Black Pearl LLC and 596,390,182 Class A ordinary shares held directly by Cipher Mining Technologies Inc.

**(b) Percent of class:**

As of the date hereof, each Reporting Person may be deemed the beneficial owner of approximately 7.7% of the Class A ordinary shares outstanding.
The percentage set forth herein is calculated based on the sum of (i) 9,627,568,893 Class A ordinary shares outstanding as of December 31, 2025, as reported in Exhibit 99.1 to the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on February 10, 2026, and (ii) an aggregate 806,439,900 Class A ordinary shares that were issued to Cipher Black Pearl LLC and Cipher Mining Technologies Inc.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

0

**(ii) Shared power to vote or to direct the vote:**

806,439,900

**(iii) Sole power to dispose or to direct the disposition of:**

0

**(iv) Shared power to dispose or to direct the disposition of:**

806,439,900

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

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

The response to Item 2(a) is incorporated by reference herein.

**Item 7. Identification and Classification of the Subsidiary**

The response to Item 2(a) is incorporated by reference herein.

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

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

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

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.

**Cipher Digital Inc.**

**Date:** 02/25/2026

**By:** /s/ William Iwaschuk

**Name & Title:** William Iwaschuk, Co-President and Chief Legal Officer

**Cipher Mining Technologies Inc.**

**Date:** 02/25/2026

**By:** /s/ William Iwaschuk

**Name & Title:** William Iwaschuk, Co-President and Chief Legal Officer of Cipher Digital Inc., its parent