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Alector, Inc. – ‘10-K/A’ for 12/31/20 – ‘EX-101.INS’

On:  Monday, 3/29/21, at 4:01pm ET   ·   For:  12/31/20   ·   Accession #:  1564590-21-16109   ·   File #:  1-38792

Previous ‘10-K’:  ‘10-K’ on 2/25/21 for 12/31/20   ·   Next:  ‘10-K’ on 2/24/22 for 12/31/21   ·   Latest:  ‘10-K’ on 2/27/24 for 12/31/23   ·   8 References:   

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/29/21  Alector, Inc.                     10-K/A     12/31/20   11:369K                                   ActiveDisclosure/FA

Amendment to Annual Report   —   Form 10-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K/A      Amendment to Annual Report                          HTML     62K 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     14K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     14K 
 8: R1          Document and Entity Information                     HTML     75K 
10: XML         IDEA XML File -- Filing Summary                      XML     11K 
 9: EXCEL       IDEA Workbook of Financial Reports                  XLSX      7K 
 4: EX-101.INS  XBRL Instance -- alec-20201231                       XML     26K 
 6: EX-101.LAB  XBRL Labels -- alec-20201231_lab                     XML     87K 
 7: EX-101.PRE  XBRL Presentations -- alec-20201231_pre              XML     52K 
 5: EX-101.SCH  XBRL Schema -- alec-20201231                         XSD     18K 
11: ZIP         XBRL Zipped Folder -- 0001564590-21-016109-xbrl      Zip      8K 


‘EX-101.INS’   —   XBRL Instance — alec-20201231


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" standalone="yes" encoding="windows-1252"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Instance Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date : 2021-03-27T23:35:50.2734971+00:00 -->
<!-- Version : 5.0.1.571 -->
<!-- Package ID : 77f1e9141cab43e2a10572340983a6c5 -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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<xbrli:identifier scheme="http://www.sec.gov/CIK"> 0001653087 </xbrli:identifier>
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<xbrli:period>
<xbrli:startDate> 2020-01-01 </xbrli:startDate>
<xbrli:endDate> 2020-12-31 </xbrli:endDate>
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<xbrli:context id="C_0001653087_20200630">
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<xbrli:identifier scheme="http://www.sec.gov/CIK"> 0001653087 </xbrli:identifier>
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<xbrli:instant> 2020-06-30 </xbrli:instant>
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<xbrli:identifier scheme="http://www.sec.gov/CIK"> 0001653087 </xbrli:identifier>
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<xbrli:instant> 2021-02-15 </xbrli:instant>
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<dei:DocumentType id="F_000000" contextRef="C_0001653087_20200101_20201231"> 10-K/A </dei:DocumentType>
<dei:AmendmentFlag id="F_000001" contextRef="C_0001653087_20200101_20201231"> true </dei:AmendmentFlag>
<dei:DocumentPeriodEndDate id="F_000002" contextRef="C_0001653087_20200101_20201231"> 2020-12-31 </dei:DocumentPeriodEndDate>
<dei:DocumentFiscalYearFocus id="F_000003" contextRef="C_0001653087_20200101_20201231"> 2020 </dei:DocumentFiscalYearFocus>
<dei:DocumentFiscalPeriodFocus id="F_000004" contextRef="C_0001653087_20200101_20201231"> FY </dei:DocumentFiscalPeriodFocus>
<dei:TradingSymbol id="F_000005" contextRef="C_0001653087_20200101_20201231"> ALEC </dei:TradingSymbol>
<dei:EntityFileNumber id="F_000006" contextRef="C_0001653087_20200101_20201231"> 001-38792 </dei:EntityFileNumber>
<dei:EntityTaxIdentificationNumber id="F_000007" contextRef="C_0001653087_20200101_20201231"> 82-2933343 </dei:EntityTaxIdentificationNumber>
<dei:EntityPublicFloat id="F_000008" contextRef="C_0001653087_20200630" decimals="-5" unitRef="U_iso4217USD"> 1375600000 </dei:EntityPublicFloat>
<dei:EntityAddressAddressLine1 id="F_000009" contextRef="C_0001653087_20200101_20201231"> 131 Oyster Point Blvd </dei:EntityAddressAddressLine1>
<dei:EntityAddressAddressLine2 id="F_000010" contextRef="C_0001653087_20200101_20201231"> Suite 600 </dei:EntityAddressAddressLine2>
<dei:EntityAddressCityOrTown id="F_000011" contextRef="C_0001653087_20200101_20201231"> South San Francisco </dei:EntityAddressCityOrTown>
<dei:EntityAddressStateOrProvince id="F_000012" contextRef="C_0001653087_20200101_20201231"> CA </dei:EntityAddressStateOrProvince>
<dei:EntityAddressPostalZipCode id="F_000013" contextRef="C_0001653087_20200101_20201231"> 94080 </dei:EntityAddressPostalZipCode>
<dei:CityAreaCode id="F_000014" contextRef="C_0001653087_20200101_20201231"> 415 </dei:CityAreaCode>
<dei:LocalPhoneNumber id="F_000015" contextRef="C_0001653087_20200101_20201231"> 231-5660 </dei:LocalPhoneNumber>
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<dei:EntityEmergingGrowthCompany id="F_000023" contextRef="C_0001653087_20200101_20201231"> false </dei:EntityEmergingGrowthCompany>
<dei:IcfrAuditorAttestationFlag id="F_000024" contextRef="C_0001653087_20200101_20201231"> true </dei:IcfrAuditorAttestationFlag>
<dei:EntityShellCompany id="F_000025" contextRef="C_0001653087_20200101_20201231"> false </dei:EntityShellCompany>
<dei:EntityCurrentReportingStatus id="F_000026" contextRef="C_0001653087_20200101_20201231"> Yes </dei:EntityCurrentReportingStatus>
<dei:EntityVoluntaryFilers id="F_000027" contextRef="C_0001653087_20200101_20201231"> No </dei:EntityVoluntaryFilers>
<dei:EntityCommonStockSharesOutstanding id="F_000028" contextRef="C_0001653087_20210215" decimals="INF" unitRef="U_xbrlishares"> 79584442 </dei:EntityCommonStockSharesOutstanding>
<dei:SecurityExchangeName id="F_000029" contextRef="C_0001653087_20200101_20201231"> NASDAQ </dei:SecurityExchangeName>
<dei:Security12bTitle id="F_000030" contextRef="C_0001653087_20200101_20201231"> Common Stock </dei:Security12bTitle>
<dei:EntityInteractiveDataCurrent id="F_000031" contextRef="C_0001653087_20200101_20201231"> Yes </dei:EntityInteractiveDataCurrent>
<dei:EntityWellKnownSeasonedIssuer id="F_000032" contextRef="C_0001653087_20200101_20201231"> No </dei:EntityWellKnownSeasonedIssuer>
<dei:EntityIncorporationStateCountryCode id="F_000033" contextRef="C_0001653087_20200101_20201231"> DE </dei:EntityIncorporationStateCountryCode>
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<p>Portions of the registrant’s Definitive Proxy Statement relating to the registrant’s Annual Meeting of Shareholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Such Definitive Proxy Statement will be filed with the Securities and Exchange Commission within 120 days after the end of the registrant’s 2020 fiscal year ended December 31, 2020.</p>
</dei:DocumentsIncorporatedByReferenceTextBlock>
<dei:AmendmentDescription id="F_000035" contextRef="C_0001653087_20200101_20201231"> This Amendment No. 1 (“Amendment”) on Form 10-K/A amends the annual report on Form 10-K of Alector, Inc. (the “Company”) for the period ended December 31, 2020, as filed with the Securities and Exchange Commission (the “Commission”) on February 25, 2021 (the “Form 10-K”). This Amendment is an exhibit-only filing solely for the purpose of filing revised Exhibits 31.1 and 31.2 to comply with Section 302 of the Sarbanes-Oxley Act of 2002. No revisions are being made to the Company’s financial statements and this Amendment does not reflect events occurring after the filing of the Form 10-K, or modify or update those disclosures that may be affected by subsequent events, and no other changes are being made to any other disclosure contained in the Form 10-K. </dei:AmendmentDescription>
</xbrli:xbrl>


8 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/25/21  Alector, Inc.                     10-K       12/31/20   63:10M                                    ActiveDisclosure/FA
10/06/20  Alector, Inc.                     8-K:5,9     9/30/20    2:314K                                   ActiveDisclosure/FA
 3/24/20  Alector, Inc.                     10-K       12/31/19   72:10M                                    ActiveDisclosure/FA
12/11/19  Alector, Inc.                     8-K:5,7,9  12/11/19    3:199K                                   ActiveDisclosure/FA
11/12/19  Alector, Inc.                     10-Q        9/30/19   52:7.2M                                   ActiveDisclosure/FA
 2/11/19  Alector, Inc.                     8-K:5,8,9   2/11/19    3:206K                                   Donnelley … Solutions/FA
 1/29/19  Alector, Inc.                     S-1/A                  9:5.7M                                   Donnelley … Solutions/FA
 1/07/19  Alector, Inc.                     S-1                   21:9.3M                                   Donnelley … Solutions/FA
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Filing Submission 0001564590-21-016109   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

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