Sec Form 4 Filing - Hu Nan @ Nano Labs Ltd - 2026-04-16

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Hu Nan 2. Issuer Name and Ticker or Trading Symbol Nano Labs Ltd [ NA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ROOM 901, NO. 512 HAIYANG WEST ROAD, PUDONG NEW AREA 3. Date of Earliest Transaction (MM/DD/YY) 04/16/2026 (Street) SHANGHAI200124 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock, par value $0.002 per share 04/16/2026 S 1 ( 1 ) D $ 2.98 ( 2 ) 58,940 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 1 ( 1 ) D $ 2.98 ( 2 ) 58,939 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 30 ( 1 ) D $ 2.98 ( 2 ) 58,909 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 20 ( 1 ) D $ 2.98 ( 2 ) 58,889 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 948 ( 1 ) D $ 2.98 ( 2 ) 57,941 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 57,841 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 30 ( 1 ) D $ 3 ( 2 ) 57,811 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 10 ( 1 ) D $ 3 ( 2 ) 57,801 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 15 ( 1 ) D $ 3 ( 2 ) 57,786 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 1 ( 1 ) D $ 3 ( 2 ) 57,785 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 200 ( 1 ) D $ 3 ( 2 ) 57,585 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 57,485 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 57,385 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 57,285 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 61 ( 1 ) D $ 3 ( 2 ) 57,224 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 57,124 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 57,024 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 45 ( 1 ) D $ 3 ( 2 ) 56,979 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 47 ( 1 ) D $ 3 ( 2 ) 56,832 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 38 ( 1 ) D $ 3 ( 2 ) 56,894 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 200 ( 1 ) D $ 3 ( 2 ) 56,694 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 49 ( 1 ) D $ 3 ( 2 ) 56,645 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 951 ( 1 ) D $ 3 ( 2 ) 55,694 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 55,594 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 53 ( 1 ) D $ 3 ( 2 ) 55,541 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 55,441 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 100 ( 1 ) D $ 3 ( 2 ) 55,341 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 200 ( 1 ) D $ 3 ( 2 ) 55,141 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 4 ( 1 ) D $ 3 ( 2 ) 55,137 D Class A Common Stock, par value $0.002 per share 04/16/2026 S 96 ( 1 ) D $ 3.08 ( 2 ) 55,041 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hu Nan ROOM 901, NO. 512 HAIYANG WEST ROAD PUDONG NEW AREA SHANGHAI200124 X Signatures /s/ NAN HU 04/17/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents numbers of shares sold by secondary market transactions ( 2 )Represents the price of the shares sold by secondary market transactions.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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