Did Nano Labs (NA) correct any prior share count for Hu Nan?

Yes. A footnote explains a 39-share discrepancy in Hu Nan’s previously reported holdings. It states the correct number of shares held before the April 15, 2026 transactions was 62,391, updating the figure from the earlier Form 3 filing.

Nano Labs director sells 2,557 company shares

Nano Labs Ltd director Hu Nan reported a series of open-market sales of Class A Common Stock.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

Nano Labs Ltd director Hu Nan reported a series of open-market sales of Class A Common Stock. On April 15, 2026, Hu Nan sold a total of 2,557 shares across multiple trades at prices ranging from $3.08 to $3.14 per share and held 59,834 shares directly afterward.

A footnote explains that a prior Form 3 understated his holdings; the correct number of shares held before these sales was 62,391. All transactions were described as secondary market transactions.

Insider Trade Summary

Net Seller: 2,557 shares

Net Sell 30 txns

Insider Hu Nan

Role Director

Sold 2,557 shs ($8K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock, par value $0.002 per share	200	$3.10	$620.00
Sale	Class A Common Stock, par value $0.002 per share	200	$3.10	$620.00
Sale	Class A Common Stock, par value $0.002 per share	200	$3.10	$620.00
Sale	Class A Common Stock, par value $0.002 per share	200	$3.10	$620.00
Sale	Class A Common Stock, par value $0.002 per share	300	$3.10	$930.00
Sale	Class A Common Stock, par value $0.002 per share	200	$3.08	$616.00
Sale	Class A Common Stock, par value $0.002 per share	200	$3.08	$616.00
Sale	Class A Common Stock, par value $0.002 per share	100	$3.09	$309.00
Sale	Class A Common Stock, par value $0.002 per share	11	$3.09	$33.99
Sale	Class A Common Stock, par value $0.002 per share	1	$3.09	$3.09
Sale	Class A Common Stock, par value $0.002 per share	1	$3.09	$3.09
Sale	Class A Common Stock, par value $0.002 per share	9	$3.09	$27.81
Sale	Class A Common Stock, par value $0.002 per share	5	$3.09	$15.45
Sale	Class A Common Stock, par value $0.002 per share	14	$3.09	$43.26
Sale	Class A Common Stock, par value $0.002 per share	59	$3.09	$182.31
Sale	Class A Common Stock, par value $0.002 per share	30	$3.09	$92.70
Sale	Class A Common Stock, par value $0.002 per share	12	$3.09	$37.08
Sale	Class A Common Stock, par value $0.002 per share	8	$3.09	$24.72
Sale	Class A Common Stock, par value $0.002 per share	200	$3.10	$620.00
Sale	Class A Common Stock, par value $0.002 per share	10	$3.11	$31.10
Sale	Class A Common Stock, par value $0.002 per share	400	$3.11	$1K
Sale	Class A Common Stock, par value $0.002 per share	8	$3.11	$24.88
Sale	Class A Common Stock, par value $0.002 per share	3	$3.11	$9.33
Sale	Class A Common Stock, par value $0.002 per share	79	$3.11	$245.69
Sale	Class A Common Stock, par value $0.002 per share	7	$3.14	$21.98
Sale	Class A Common Stock, par value $0.002 per share	60	$3.14	$188.40
Sale	Class A Common Stock, par value $0.002 per share	1	$3.14	$3.14
Sale	Class A Common Stock, par value $0.002 per share	8	$3.14	$25.12
Sale	Class A Common Stock, par value $0.002 per share	30	$3.14	$94.20
Sale	Class A Common Stock, par value $0.002 per share	1	$3.14	$3.14

Holdings After Transaction: Class A Common Stock, par value $0.002 per share — 59,834 shares (Direct)

Footnotes (3)

F1. Represents numbers of shares sold by secondary market transactions
F2. Represents the price of the shares sold by secondary market transactions.
F3. There was a discrepancy of 39 shares in the number of shares held by Hu Nan as stated in Form 3 filed on March 11, 2026; the correct number of shares held by HU NAN prior to the current transactions is 62,391 shares.

Key Figures

Shares sold: 2,557 shares Price range: $3.08–$3.14 per share Shares after transactions: 59,834 shares +2 more

5 metrics

Shares sold 2,557 shares Total Nano Labs Class A shares sold by Hu Nan on April 15, 2026

Price range $3.08–$3.14 per share Sale prices for reported open-market transactions

Shares after transactions 59,834 shares Hu Nan’s direct Nano Labs Class A holdings following the sales

Shares before transactions 62,391 shares Corrected pre-transaction holdings per footnote F3

Number of sale transactions 30 transactions Count of individual open-market sale entries in the Form 4

Key Terms

Form 4, open-market sale, secondary market transactions, Class A Common Stock, +1 more

5 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4): { "issuerName": "Nano Labs Ltd""

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open-market sale financial

""transaction_action": "open-market sale", "transaction_code_description""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

secondary market transactions financial

"Represents numbers of shares sold by secondary market transactions"

Trades of stocks, bonds or other securities that take place between investors after the initial sale, where the issuing company is not the buyer or seller. These transactions create liquidity and reveal market prices—like a public resale market for event tickets—so they matter to investors because they determine how easily an asset can be bought or sold, influence its market value, and signal market sentiment and transaction costs.

Class A Common Stock financial

""security_title": "Class A Common Stock, par value $0.002 per share""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

beneficial ownership financial

"the correct number of shares held by HU NAN prior to the current transactions"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Nano Labs (NA) director Hu Nan report?

Director Hu Nan reported selling 2,557 Nano Labs Class A shares in multiple open-market trades on April 15, 2026. These transactions were reported as secondary market sales at prices just above $3 per share.

At what prices did Hu Nan sell Nano Labs (NA) shares?

Hu Nan’s Nano Labs share sales occurred at prices between $3.08 and $3.14 per share. Each trade was small in size, reflecting a series of open-market transactions rather than a single large block sale.

How many Nano Labs (NA) shares does Hu Nan hold after the sales?

After completing the reported sales, Hu Nan directly holds 59,834 Nano Labs Class A shares. This figure is taken from the post-transaction ownership column shown for the final reported transaction on the same date.

How many Nano Labs (NA) shares did Hu Nan sell in total?

The Form 4 transaction summary shows Hu Nan sold 2,557 Nano Labs Class A shares. This total reflects 30 separate open-market sale entries reported for April 15, 2026, all involving non-derivative common stock.

Were Hu Nan’s Nano Labs (NA) transactions secondary market sales?

Yes. Footnote language clarifies the reported numbers and prices represent shares sold through secondary market transactions. This indicates the trades occurred in the market, not as new share issuances by Nano Labs itself.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 04/16/2026 - 04:01 PM EDT

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hu Nan

(Last)

(First)

(Middle)

ROOM 901, NO. 512 HAIYANG WEST ROAD

PUDONG NEW AREA

(Street)

SHANGHAI

200124

(City)

(State)

(Zip)

CHINA

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.1⁽²⁾	62,191⁽³⁾	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.1⁽²⁾	61,991	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.1⁽²⁾	61,791	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.1⁽²⁾	61,591	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		300⁽¹⁾	D	$3.1⁽²⁾	61,291	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.08⁽²⁾	61,091	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.08⁽²⁾	60,891	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		100⁽¹⁾	D	$3.09⁽²⁾	60,791	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		11⁽¹⁾	D	$3.09⁽²⁾	60,780	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		1⁽¹⁾	D	$3.09⁽²⁾	60,779	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		1⁽¹⁾	D	$3.09⁽²⁾	60,778	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		9⁽¹⁾	D	$3.09⁽²⁾	60,769	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		5⁽¹⁾	D	$3.09⁽²⁾	60,764	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		14⁽¹⁾	D	$3.09⁽²⁾	60,750	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		59⁽¹⁾	D	$3.09⁽²⁾	60,691	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		30⁽¹⁾	D	$3.09⁽²⁾	60,661	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		12⁽¹⁾	D	$3.09⁽²⁾	60,649	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		8⁽¹⁾	D	$3.09⁽²⁾	60,641	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		200⁽¹⁾	D	$3.1⁽²⁾	60,441	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		10⁽¹⁾	D	$3.11⁽²⁾	60,431	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		400⁽¹⁾	D	$3.11⁽²⁾	60,031	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		8⁽¹⁾	D	$3.11⁽²⁾	60,023	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		3⁽¹⁾	D	$3.11⁽²⁾	60,020	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		79⁽¹⁾	D	$3.11⁽²⁾	59,941	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		7⁽¹⁾	D	$3.14⁽²⁾	59,934	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		60⁽¹⁾	D	$3.14⁽²⁾	59,874	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		1⁽¹⁾	D	$3.14⁽²⁾	59,873	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		8⁽¹⁾	D	$3.14⁽²⁾	59,865	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		30⁽¹⁾	D	$3.14⁽²⁾	59,835	D
Class A Common Stock, par value $0.002 per share	04/15/2026		S		1⁽¹⁾	D	$3.14⁽²⁾	59,834	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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.

3. There was a discrepancy of 39 shares in the number of shares held by Hu Nan as stated in Form 3 filed on March 11, 2026; the correct number of shares held by HU NAN prior to the current transactions is 62,391 shares.

	/s/ NAN HU	04/16/2026
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR