<SEC-DOCUMENT>0001144204-19-027563-index.html : 20190522
<SEC-HEADER>0001144204-19-027563.hdr.sgml : 20190522
<ACCEPTANCE-DATETIME>20190521191942
ACCESSION NUMBER:		0001144204-19-027563
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20190522
DATE AS OF CHANGE:		20190521

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:	333-230985
		FILM NUMBER:		19843698

	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>tv519463-s1a.htm
<DESCRIPTION>S-1/A
<TEXT>
Document 1 - file: tv519463-s1a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.1 <SEQUENCE>2 <FILENAME>tv519463_ex1-1.htm <DESCRIPTION>EXHIBIT 1.1 <TEXT> Document 2 - file: tv519463_ex1-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-3.3 <SEQUENCE>3 <FILENAME>tv519463_ex3-3.htm <DESCRIPTION>EXHIBIT 3.3 <TEXT> Document 3 - file: tv519463_ex3-3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.1 <SEQUENCE>4 <FILENAME>tv519463_ex4-1.htm <DESCRIPTION>EXHIBIT 4.1 <TEXT> Document 4 - file: tv519463_ex4-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>5 <FILENAME>tv519463_ex5-1.htm <DESCRIPTION>EXHIBIT 5.1 <TEXT> Document 5 - file: tv519463_ex5-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>6 <FILENAME>tv519463_ex23-1.htm <DESCRIPTION>EXHIBIT 23.1 <TEXT> Document 6 - file: tv519463_ex23-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>lg_seqll-02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: lg_seqll-02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>tv507078_chrt-line.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: tv507078_chrt-line.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>tv507078_chrt-bar1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: tv507078_chrt-bar1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>tv507078_chrt-bar2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: tv507078_chrt-bar2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>tv507078_chrt-bar3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: tv507078_chrt-bar3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>tv507078_chrt-flow.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: tv507078_chrt-flow.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>tv507078_img-tsms.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: tv507078_img-tsms.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>tv507078_ex5-1img.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: tv507078_ex5-1img.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>tv519463_ex4-1img01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: tv519463_ex4-1img01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>tv519463_ex4-1img02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: tv519463_ex4-1img02.jpg
</DOCUMENT> </SEC-DOCUMENT>