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<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0306 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2017-06-15 </periodOfReport> |
| <notSubjectToSection16> 1 </notSubjectToSection16> |
| <issuer> |
| | <issuerCik> 0001395848 </issuerCik> |
| | <issuerName> ADESTO TECHNOLOGIES Corp </issuerName> |
| | <issuerTradingSymbol> IOTS </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0000893739 </rptOwnerCik> |
| | | <rptOwnerName> 180 DEGREE CAPITAL CORP. /NY/ </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 7 N. WILLOW STREET </rptOwnerStreet1> |
| | | <rptOwnerStreet2> SUITE 4B </rptOwnerStreet2> |
| | | <rptOwnerCity> MONTCLAIR </rptOwnerCity> |
| | | <rptOwnerState> NJ </rptOwnerState> |
| | | <rptOwnerZipCode> 07042 </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> 1769868 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| <footnoteId id="F1"/> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </nonDerivativeHolding> |
| | </nonDerivativeTable> |
| <derivativeTable></derivativeTable> |
| <footnotes> |
| | <footnote id="F1"> The issuance of additional shares in an underwritten public offering by the Issuer on June 15, 2017, decreased 180's ownership of the Issuer as of that date to 8.8 percent of the Issuer's outstanding Common Stock based upon 20,213,638 shares of common stock outstanding as of June 15, 2017, calculated by adding 15,838,638 shares of Common Stock outstanding as of May 9, 2017, as reported on the Issuer's quarterly report filed on Form 10-Q on May 15, 2017, to 4,375,000 shares of Common Stock issued in a underwritten public offering announced in a press release on June 15, 2017, available at http://www.globenewswire.com/news-release/2017/06/15/1024654/0/en/Adesto-Technologies-Corporation-Prices-Public-Offering-of-Common-Stock.html. 180 is therefore no longer subject to reporting under Section 16. </footnote> |
| | </footnotes> |
| <remarks></remarks> |
| <ownerSignature> |
| | <signatureName> /s/ 180 Degree Capital Corp. by Daniel B. Wolfe, President </signatureName> |
| | <signatureDate> 2017-06-15 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |