NA SEC Filing News — Nano Labs Ltd

Latest SEC filings for Nano Labs Ltd (NA) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). All data sourced directly from SEC EDGAR — last updated 2026-04-30.

Nano Labs Ltd engages in the design and sale of fabless integrated circuit and product solutions in the People's Republic of China, Hong Kong, Singapore, the United States, and internationally. The company develops HTC chips and HPC chips. It offers Cuckoo 1.0, Cuckoo 2.0, and Cuckoo 3.0 which target the ASIC-resistant mining algorithms of cryptocurrencies, such as Ethereum Classic and Grin; and Darkbird 1.0 HPC chips. The company serves enterprises and individual buyers. Nano Labs Ltd was found…
Sector: Technology Industry: Semiconductors Market Cap: $41.8M CIK: 1872302
10
Total Filings
0
Bullish Signals
7
Bearish Signals
7
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Insider activity for NA has skewed bearish recently. Of the 10 filings tracked, 7 carry bearish signals (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
Recent SEC Filings
Form 4 Insider Selling 2026-04-30

NA insider Hu Nan (Director) sold 4,352 shares (~$8.7K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 4,352 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 4,352 Est. Value: $8.7K
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-04-30

NA insider Hu Nan (Director) sold 6,148 shares (~$13.0K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 6,148 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 6,148 Est. Value: $13.0K
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-04-22

NA insider Hu Nan (Director) sold 4,092 shares (~$11.1K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 4,092 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 4,092 Est. Value: $11.1K
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-04-20

NA insider Hu Nan (Director) sold 1,633 shares (~$4.7K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 1,633 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 1,633 Est. Value: $4.7K
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-04-17

NA insider Hu Nan (Director) sold 3,900 shares (~$11.7K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 3,900 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 3,900 Est. Value: $11.7K
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-04-16

NA insider Hu Nan (Director) sold 893 shares (~$2.8K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 893 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 893 Est. Value: $2.8K
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-04-16

NA insider Hu Nan (Director) sold 2,557 shares (~$7.9K)

Hu Nan, listed as Director at Nano Labs Ltd, reported an open-market sale of 2,557 NA shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Hu Nan (Director) Shares: 2,557 Est. Value: $7.9K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-04-13

NA Form 144 filed for proposed insider sale by Hu Nan (62,391 shares) ~$383.1K

Hu Nan filed a Form 144 with the SEC indicating intent to sell NA (Nano Labs Ltd) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Hu Nan Shares: 62,391 Est. Value: $383.1K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2024-04-16

NA Form 144 filed for proposed insider sale by Hu Nan (350,380 shares) ~$462.6K

Hu Nan filed a Form 144 with the SEC indicating intent to sell NA (Nano Labs Ltd) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Hu Nan Shares: 350,380 Est. Value: $462.6K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2024-04-16

NA Form 144 filed for proposed insider sale by Li Bingbo (252,509 shares) ~$333.4K

Li Bingbo filed a Form 144 with the SEC indicating intent to sell NA (Nano Labs Ltd) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Li Bingbo Shares: 252,509 Est. Value: $333.4K
View on SEC EDGAR → Open Filing Document →

Understanding Nano Labs Ltd's SEC Filings

Form 4 — Insider Transactions

Executives, directors, and large shareholders must report any purchase or sale of NA shares within two business days. Consistent buying by multiple insiders is often read as a confidence signal; large sales may reflect diversification or liquidity needs rather than negative conviction.

Form 144 — Proposed Insider Sales

Filed when a company affiliate intends to sell restricted or control shares. A Form 144 is a notice of intent, not confirmation — the actual sale is later confirmed via Form 4. It gives investors advance visibility into planned insider selling activity.

8-K — Material Events

The 8-K is an event-driven filing that Nano Labs Ltd must submit within four business days of a significant development — including earnings results, mergers, executive changes, credit facility updates, or regulatory actions. Each 8-K item code maps to a specific event type.

10-Q & 10-K — Periodic Reports

The 10-Q (quarterly) and 10-K (annual) are comprehensive reports covering Nano Labs Ltd's financial results, risk factors, management discussion, and business operations. The 10-K includes audited financials and is the most complete public disclosure the company makes each year.

Frequently Asked Questions — NA SEC Filings

What SEC filings does Nano Labs Ltd submit to the SEC?

Nano Labs Ltd (NA) submits several types of SEC filings including Form 4 (insider transactions), Form 144 (proposed insider sales), 8-K reports (material events such as earnings releases, acquisitions, leadership changes), and periodic reports — the 10-Q (quarterly) and 10-K (annual). All filings are publicly available through SEC EDGAR.

What does a Form 4 filing tell me about NA?

A Form 4 for NA discloses a transaction by a company insider — typically a director, officer, or 10%+ shareholder. It shows the date, number of shares bought or sold, the price, and the insider's updated total ownership. Consistent insider buying across multiple executives is often interpreted as a bullish signal.

How do I interpret an 8-K filing from Nano Labs Ltd?

An 8-K signals a material event requiring prompt disclosure. Common triggers include earnings pre-announcements, acquisitions, leadership appointments or departures, credit changes, or regulatory actions. Read the item codes inside the filing to understand exactly what was disclosed before drawing conclusions.

What is the difference between a 10-K and 10-Q for NA?

The 10-K is Nano Labs Ltd's annual report with fully audited financial statements, comprehensive MD&A, and complete risk factor disclosures — filed 60–90 days after fiscal year-end. The 10-Q is a lighter quarterly report with unaudited financials filed for the first three quarters. Together they provide a continuous financial picture of the company.

Where can I see all NA SEC filings directly on EDGAR?

You can view all historical Nano Labs Ltd filings on the SEC EDGAR company page for NA. Each filing card on this page links directly to the original SEC document.

How often does Nano Labs Ltd file with the SEC?

Nano Labs Ltd files one 10-K per year and up to three 10-Qs per year. Form 4 insider transactions must be reported within two business days of each trade, so the frequency depends on how often insiders are buying or selling NA shares. 8-K filings occur whenever a material event happens — which can be several times per quarter for an active company.

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SEC filing data is sourced from SEC EDGAR. This page is updated automatically as new filings are detected. Content is for informational purposes only and does not constitute investment advice. Full Disclaimer.