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AMBQ · Current Report (Form 8-K) · Filed March 5, 2026

Ambiq Micro Inc — Current Report (Form 8-K)

Form
8-K
Filed
March 5, 2026
Period
Mar 5, 2026
Ticker
AMBQ
Accession
0001193125-26-092653
Ambiq Micro Inc on Boardroom AlphaView on SEC EDGAR
Boardroom Alpha · Filing insights

Ambiq Micro reports Q4 and full-year 2025 financial results. A March 5, 2026 press release accompanies the report.

About Ambiq Micro Inc
Market cap
$1.8B
Board grade
C-
Sector
Technology
CEO
Fumihide Esaka
Last annual meeting: Jun 8, 2026 · View full Ambiq Micro Inc profile →
8-K

 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 05, 2026

 

 

Ambiq Micro, Inc.

(Exact name of Registrant as Specified in Its Charter)

 

 

Delaware

001-42766

27-1911389

(State or Other Jurisdiction
of Incorporation)

(Commission File Number)

(IRS Employer
Identification No.)

 

 

 

 

 

6500 River Place Blvd.

Building 7

 

Austin, Texas

 

78730

(Address of Principal Executive Offices)

 

(Zip Code)

 

Registrant’s Telephone Number, Including Area Code: 512 879-2850

 

 

(Former Name or Former Address, if Changed Since Last Report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class

 

Trading
Symbol(s)

 


Name of each exchange on which registered

Common Stock, $0.000001 par value per share

 

AMBQ

 

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

Item 2.02 Results of Operations and Financial Condition.

On March 5, 2026, Ambiq Micro, Inc. (the "Company") issued a press release to report financial results for its fourth quarter and full year ended December 31, 2025. A copy of the press release is attached as Exhibit 99.1 and is incorporated by reference herein.

The information set forth in this Item 2.02, including Exhibit 99.1 hereto, shall be deemed "furnished" and not "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liabilities of that section, and shall not be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number

 

Description

99.1

 

Press Release of Ambiq Micro, Inc. dated March 5, 2026

104

 

Cover Page Interactive Data File (formatted as Inline XBRL)

 

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

 

 

Ambiq Micro, Inc.

 

 

 

 

Date:

March 5, 2026

By:

/s/ Jeffrey G. Winzeler

 

 

Name:

 

Title:

Jeffrey G. Winzeler

Chief Financial Officer
 

 

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Reference

Frequently asked questions

When did Ambiq Micro Inc file this 8-K?
Ambiq Micro Inc (AMBQ) filed this Current Report (Form 8-K) with the SEC on March 5, 2026. The accession number assigned by EDGAR is 0001193125-26-092653.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Ambiq Micro reports Q4 and full-year 2025 financial results. A March 5, 2026 press release accompanies the report. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Ambiq Micro Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Ambiq Micro Inc has filed under CIK 1500412, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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