<SEC-DOCUMENT>0001213900-21-043097-index.html : 20210816
<SEC-HEADER>0001213900-21-043097.hdr.sgml : 20210816
<ACCEPTANCE-DATETIME>20210816165829
ACCESSION NUMBER:		0001213900-21-043097
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		20
FILED AS OF DATE:		20210816
DATE AS OF CHANGE:		20210816

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SeqLL, Inc.
		CENTRAL INDEX KEY:			0001605888
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				465319744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-254886
		FILM NUMBER:		211179438

	BUSINESS ADDRESS:	
		STREET 1:		317 NEW BOSTON STREET
		STREET 2:		SUITE 210
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801
		BUSINESS PHONE:		(781) 817-3755

	MAIL ADDRESS:	
		STREET 1:		317 NEW BOSTON STREET
		STREET 2:		SUITE 210
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>fs12021a3_seqll.htm
<DESCRIPTION>REGISTRATION STATEMENT
<TEXT>
Document 1 - file: fs12021a3_seqll.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>2
<FILENAME>fs12021a3ex4-5_seqllinc.htm
<DESCRIPTION>FORM OF WARRANT AGENCY AGREEMENT BETWEEN SEQLL INC. AND VSTOCK TRANSFER LLC
<TEXT>
Document 2 - file: fs12021a3ex4-5_seqllinc.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>3
<FILENAME>fs12021a3ex4-6_seqllinc.htm
<DESCRIPTION>FORM OF COMMON STOCK PURCHASE WARRANT
<TEXT>
Document 3 - file: fs12021a3ex4-6_seqllinc.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>fs12021a3ex5-1_seqllinc.htm
<DESCRIPTION>OPINION OF PRYOR CASHMAN LLP
<TEXT>
Document 4 - file: fs12021a3ex5-1_seqllinc.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>fs12021a3ex23-1_seqllinc.htm
<DESCRIPTION>CONSENT OF WOLF & COMPANY, P.C., INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 5 - file: fs12021a3ex23-1_seqllinc.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tsqelllogo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tsqelllogo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>timage_012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: timage_012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>timage_011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: timage_011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>timage_007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: timage_007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>timage_008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: timage_008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>timage_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: timage_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>timage_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: timage_002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>timage_003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: timage_003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>timage_004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: timage_004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>timage_005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: timage_005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>timage_006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: timage_006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>timage_009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: timage_009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>timage_010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: timage_010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>ex5-1_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: ex5-1_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>ex5-1_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: ex5-1_002.jpg

</DOCUMENT>
</SEC-DOCUMENT>