Filing Signals

Source: SEC EDGAR Compiled 2026-09-14 08:28 UTC All 21 checks passing

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Northann Corp.

CIK 1923780 NCL·Manufacturing · All EDGAR filings ↗

Progression

  1. Late filing NT 10-K
  2. Auditor change 8-K +132d
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Form
An amendment is grouped with the report it amends; every 12b-25 notice is one group

Auditor change high SEC item code

Northann Corp.'s auditor resigned

The auditor resigned. not stated → TQ International, PLLC

Evidence
Direction
resigned
Direction label
The auditor resigned
Item code
4.01
Item title
Changes in Registrant's Certifying Accountant
Severity
high
Source
SEC 8-K item code
Successor auditor
TQ International, PLLC
Successor tier
other
Why
The company's independent registered accounting firm changed.

Source filing ↗

Auditor change high SEC item code

Northann Corp.'s auditor resigned

The auditor resigned. No disagreements disclosed.

Evidence
Direction
resigned
Direction label
The auditor resigned
Item code
4.01
Item title
Changes in Registrant's Certifying Accountant
Severity
high
Source
SEC 8-K item code
Tier downgrade
No
Why
The company's independent registered accounting firm changed.

Source filing ↗

Restatement SEC item code

Northann Corp. said previously issued financial statements should no longer be relied upon

Evidence
Item code
4.02
Item title
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
Severity
normal
Source
SEC 8-K item code
Why
The company told investors that previously issued financial statements should no longer be relied upon.

Source filing ↗

Late filing Filing comparison

Northann Corp. told the SEC it could not file its quarterly report on time

The Registrant has determined that it is unable to file its quarterly report on Form 10-Q for the quarter ended June 30, 2026 by the prescribed due date because it does not currently have an independent registered public accounting firm engaged to finalize its financial statements to be included in such Form 10-Q. The Company is currently in the process of engaging such a firm.
Evidence
Days past due date
0
Routine
Yes
Severity
normal
Source
Form 12b-25 (notification of late filing)
Stated reason
The Registrant has determined that it is unable to file its quarterly report on Form 10-Q for the quarter ended June 30, 2026 by the prescribed due date because it does not currently have an independent registered public accounting firm engaged to finalize its financial statements to be included in such Form 10-Q. The Company is currently in the process of engaging such a firm. 2
Why
The company told the SEC it could not file a periodic report on time, using Form 12b-25.

Source filing ↗

Auditor change high SEC item code

Northann Corp.'s auditor resigned

The auditor resigned. No disagreements disclosed.

Evidence
Direction
resigned
Direction label
The auditor resigned
Item code
4.01
Item title
Changes in Registrant's Certifying Accountant
Severity
high
Source
SEC 8-K item code
Tier downgrade
No
Why
The company's independent registered accounting firm changed.

Source filing ↗

Restatement SEC item code

Northann Corp. said previously issued financial statements should no longer be relied upon

Evidence
Item code
4.02
Item title
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
Severity
normal
Source
SEC 8-K item code
Why
The company told investors that previously issued financial statements should no longer be relied upon.

Source filing ↗

Late filing Filing comparison

Northann Corp. told the SEC it could not file its quarterly report on time

(the “Registrant”) has determined that it is unable, without unreasonable effort or expense, to file its Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2026 (the “Quarterly Report”) with the U.S. Securities Exchange Commission (the “SEC”) by the prescribed due date. As a result, the Registrant could not solicit and obtain the necessary review of the Form 10-Q in a timely fashion prior to the due date of the report. The Registrant requires additional time to compile and verify the data required to be included in the Form 10-Q. The Registrant expects to file the Form 10-Q within the additional time allowed.
Evidence
Days past due date
3
Routine
Yes
Severity
normal
Source
Form 12b-25 (notification of late filing)
Stated reason
(the “Registrant”) has determined that it is unable, without unreasonable effort or expense, to file its Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2026 (the “Quarterly Report”) with the U.S. Securities Exchange Commission (the “SEC”) by the prescribed due date. As a result, the Registrant could not solicit and obtain the necessary review of the Form 10-Q in a timely fashion prior to the due date of the report. The Registrant requires additional time to compile and verify the data required to be included in the Form 10-Q. The Registrant expects to file the Form 10-Q within the additional time allowed.
Why
The company told the SEC it could not file a periodic report on time, using Form 12b-25.

Source filing ↗

Late filing elevated Filing comparison

Northann Corp. told the SEC it could not file its annual report on time

The Registrant has determined that it is unable, without unreasonable effort or expense, to file its Annual Report on Form 10-K for the year ended December 31, 2025 by the prescribed due date because it requires additional time to finalize its financial statements to be included in such Form 10-K.
Evidence
Days past due date
0
Routine
No
Severity
elevated
Source
Form 12b-25 (notification of late filing)
Stated reason
The Registrant has determined that it is unable, without unreasonable effort or expense, to file its Annual Report on Form 10-K for the year ended December 31, 2025 by the prescribed due date because it requires additional time to finalize its financial statements to be included in such Form 10-K.
Why
The company told the SEC it could not file a periodic report on time, using Form 12b-25.

Source filing ↗