<SEC-DOCUMENT>0001628280-21-005989-index.html : 20210329
<SEC-HEADER>0001628280-21-005989.hdr.sgml : 20210329
<ACCEPTANCE-DATETIME>20210329173013
ACCESSION NUMBER:		0001628280-21-005989
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		30
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210329
DATE AS OF CHANGE:		20210329

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Seer, Inc.
		CENTRAL INDEX KEY:			0001726445
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				821153150
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39747
		FILM NUMBER:		21782772

	BUSINESS ADDRESS:	
		STREET 1:		3800 BRIDGE PARKWAY, SUITE 102
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94065
		BUSINESS PHONE:		650-453-0000

	MAIL ADDRESS:	
		STREET 1:		3800 BRIDGE PARKWAY, SUITE 102
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94065

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Seer Biosciences, Inc.
		DATE OF NAME CHANGE:	20171226
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K
<SEQUENCE>1
<FILENAME>seer10-k1.htm
<DESCRIPTION>10-K
<TEXT>
Document 1 - file: seer10-k1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>2
<FILENAME>ex43descriptionofregistran.htm
<DESCRIPTION>EX-4.3
<TEXT>
Document 2 - file: ex43descriptionofregistran.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ex231accountingfirmconsent.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: ex231accountingfirmconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>4
<FILENAME>ex311certification.htm
<DESCRIPTION>EX-31.1
<TEXT>
Document 4 - file: ex311certification.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>5
<FILENAME>ex312certification.htm
<DESCRIPTION>EX-31.2
<TEXT>
Document 5 - file: ex312certification.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>6
<FILENAME>ex321certification.htm
<DESCRIPTION>EX-32.1
<TEXT>
Document 6 - file: ex321certification.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>kit1.jpg
<TEXT>
Document 7 - file: kit1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>market1.jpg
<TEXT>
Document 8 - file: market1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>peptide1.jpg
<TEXT>
Document 9 - file: peptide1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>proteographproductsuite1.jpg
<TEXT>
Document 10 - file: proteographproductsuite1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
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<FILENAME>seerbus001c1.jpg
<TEXT>
Document 11 - file: seerbus001c1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>seerbus002b1.jpg
<TEXT>
Document 12 - file: seerbus002b1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>seerbus003c1.jpg
<TEXT>
Document 13 - file: seerbus003c1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>seerbus004a1.jpg
<TEXT>
Document 14 - file: seerbus004a1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>seerbus0121.jpg
<TEXT>
Document 15 - file: seerbus0121.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>seerbus0131.jpg
<TEXT>
Document 16 - file: seerbus0131.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>seerbusa091.jpg
<TEXT>
Document 17 - file: seerbusa091.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>seerbusa101.jpg
<TEXT>
Document 18 - file: seerbusa101.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>seerbusa31.jpg
<TEXT>
Document 19 - file: seerbusa31.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>seerbusa61.jpg
<TEXT>
Document 20 - file: seerbusa61.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>seerbusb151.jpg
<TEXT>
Document 21 - file: seerbusb151.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>seerbusb161.jpg
<TEXT>
Document 22 - file: seerbusb161.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>seerbusb181.jpg
<TEXT>
Document 23 - file: seerbusb181.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>seerbusb91.jpg
<TEXT>
Document 24 - file: seerbusb91.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>seerbusiness2s1.jpg
<TEXT>
Document 25 - file: seerbusiness2s1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>seerbusiness6b1.jpg
<TEXT>
Document 26 - file: seerbusiness6b1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>seerprosum005b-updated1.jpg
<TEXT>
Document 27 - file: seerprosum005b-updated1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>sp-1001.jpg
<TEXT>
Document 28 - file: sp-1001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>workflow1.jpg
<TEXT>
Document 29 - file: workflow1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>workflow2.jpg
<TEXT>
Document 30 - file: workflow2.jpg

</DOCUMENT>
</SEC-DOCUMENT>