<SEC-DOCUMENT>0001415889-25-020513.txt : 20250729
<SEC-HEADER>0001415889-25-020513.hdr.sgml : 20250729
<ACCEPTANCE-DATETIME>20250729194510
ACCESSION NUMBER:		0001415889-25-020513
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250729
FILED AS OF DATE:		20250729
DATE AS OF CHANGE:		20250729

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kleiner Perkins Caufield & Byers XVI, LLC
		CENTRAL INDEX KEY:			0001611731
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42766
		FILM NUMBER:		251163573

	BUSINESS ADDRESS:	
		STREET 1:		2750 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		6502332750

	MAIL ADDRESS:	
		STREET 1:		2750 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KPCB XVI Associates, LLC
		CENTRAL INDEX KEY:			0001611734
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42766
		FILM NUMBER:		251163574

	BUSINESS ADDRESS:	
		STREET 1:		2750 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		6502332750

	MAIL ADDRESS:	
		STREET 1:		2750 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ambiq Micro, Inc.
		CENTRAL INDEX KEY:			0001500412
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				271911389
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6500 RIVER PLACE BOULEVARD
		STREET 2:		BUILDING 7, SUITE 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78730
		BUSINESS PHONE:		(512) 879-2850

	MAIL ADDRESS:	
		STREET 1:		6500 RIVER PLACE BOULEVARD
		STREET 2:		BUILDING 7, SUITE 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78730
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3-07292025_110705.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2025-07-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001500412</issuerCik>
        <issuerName>Ambiq Micro, Inc.</issuerName>
        <issuerTradingSymbol>AMBQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611734</rptOwnerCik>
            <rptOwnerName>KPCB XVI Associates, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KLEINER PERKINS CAUFIELD &amp; BYERS</rptOwnerStreet1>
            <rptOwnerStreet2>2750 SAND HILL ROAD</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611731</rptOwnerCik>
            <rptOwnerName>Kleiner Perkins Caufield &amp; Byers XVI, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KLEINER PERKINS CAUFIELD &amp; BYERS</rptOwnerStreet1>
            <rptOwnerStreet2>2750 SAND HILL ROAD</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>424033</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: KPCB Holdings, Inc., as nominee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Series C Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>748046</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: KPCB Holdings, Inc., as nominee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series D Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>98958</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: KPCB Holdings, Inc., as nominee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series E Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>23294</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: KPCB Holdings, Inc., as nominee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series F Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F8"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F8"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>194618</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: KPCB Holdings, Inc., as nominee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F9"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">All shares are held for convenience in the name of &quot;KPCB Holdings, Inc., as nominee&quot; for the accounts of such individuals and entities. The managing member of Kleiner Perkins Caufield &amp;amp; Byers XVI, LLC (&quot;KPCB XVI&quot;) and KPCB XVI Founders Fund, LLC (&quot;KPCB XVI Founders&quot;) is KPCB XVI Associates, LLC (&quot;KPCB XVI Associates&quot;). L. John Doerr, Beth Seidenberg, Randy Komisar, Theodore E. Schlein, and Wen Hsieh, the managing members of KPCB XVI Associates, exercise shared voting and dispositive control over the shares held by KPCB XVI and KPCB XVI Founders. Such managing members disclaim beneficial ownership of all shares held by KPCB XVI and KPCB XVI Founders except to the extent of their pecuniary interest therein.</footnote>
        <footnote id="F2">Consists of 409,998 shares of Common Stock held by KPCB XVI and 14,035 shares held by KPCB XVI Founders.</footnote>
        <footnote id="F3">The Series C Convertible Preferred Stock and Series D Convertible Preferred Stock are convertible on a one-for-one basis into Common Stock at any time at the Reporting Person's election and will convert automatically upon the closing of the Issuer's initial public offering and has no expiration date.</footnote>
        <footnote id="F4">Consists of 723,286 shares of Common Stock issuable upon the conversion of Series C Convertible Preferred Stock held by KPCB XVI and 24,760 shares held by KPCB XVI Founders.</footnote>
        <footnote id="F5">Consists of 95,683 shares of Common Stock issuable upon the conversion of Series D Convertible Preferred Stock held by KPCB XVI and 3,275 shares held by KPCB XVI Founders,</footnote>
        <footnote id="F6">The Series E Convertible Preferred Stock is convertible into Common Stock at any time at the Reporting Person's election and will convert automatically immediately prior to the closing of the Issuer's initial public offering and has no expiration date. 22,594 outstanding shares of Series E Convertible Preferred Stock will automatically convert into 23,294 shares of Common Stock, immediately prior to the closing of the Issuer's initial public offering.</footnote>
        <footnote id="F7">Consists of 22,523 shares of Common Stock issuable upon the conversion of Series E Convertible Preferred Stock held by KPCB XVI and 771 shares held by KPCB XVI Founders.</footnote>
        <footnote id="F8">The Series F Convertible Preferred Stock is convertible into Common Stock at any time at the Reporting Person's election and will convert automatically immediately prior to the closing of the Issuer's initial public offering and has no expiration date. 171,064 outstanding shares of Series F Convertible Preferred Stock shall automatically convert into 194,618 shares of Common Stock, immediately prior to the closing of the Issuer's initial public offering.</footnote>
        <footnote id="F9">Consists of 188,177 shares of Common Stock issuable upon the conversion of Series F Convertible Preferred stock held by KPCB XVI and 6,441 shares held by KPCB XVI Founders.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Susan Biglieri, Chief Financial Officer</signatureName>
        <signatureDate>2025-07-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Susan Biglieri, Chief Financial Officer</signatureName>
        <signatureDate>2025-07-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
