    <SEC-DOCUMENT>0001213900-24-033786-index.html : 20240417
    <SEC-HEADER>0001213900-24-033786.hdr.sgml : 20240417
    <ACCEPTANCE-DATETIME>20240417160114
    ACCESSION NUMBER:		0001213900-24-033786
    CONFORMED SUBMISSION TYPE:	POS AM
    PUBLIC DOCUMENT COUNT:		16
    FILED AS OF DATE:		20240417
    DATE AS OF CHANGE:		20240417

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SeqLL, Inc.
    		CENTRAL INDEX KEY:			0001605888
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
    		ORGANIZATION NAME:           	07 Trade & Services
    		IRS NUMBER:				465319744
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		POS AM
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-272908
    		FILM NUMBER:		24850924

    	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>POS AM
    <SEQUENCE>1
    <FILENAME>ea0200009-01.htm
    <DESCRIPTION>POST-EFFECTIVE REGISTRATION STATEMENT
    <TEXT>
    Document 1 - file: ea0200009-01.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-2.7
    <SEQUENCE>2
    <FILENAME>ea020000901ex2-7_seqllinc.htm
    <DESCRIPTION>AMENDMENT NO. 6 TO AGREEMENT AND PLAN OF REORGANIZATION
    <TEXT>
    Document 2 - file: ea020000901ex2-7_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.6
    <SEQUENCE>3
    <FILENAME>ea020000901ex4-6_seqllinc.htm
    <DESCRIPTION>FORM OF WARRANT AGENCY AGREEMENT BETWEEN SEQLL INC. AND VSTOCK TRANSFER LLC
    <TEXT>
    Document 3 - file: ea020000901ex4-6_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.7
    <SEQUENCE>4
    <FILENAME>ea020000901ex4-7_seqllinc.htm
    <DESCRIPTION>FORM OF SERIES A WARRANT
    <TEXT>
    Document 4 - file: ea020000901ex4-7_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.8
    <SEQUENCE>5
    <FILENAME>ea020000901ex4-8_seqllinc.htm
    <DESCRIPTION>FORM OF SERIES B WARRANT
    <TEXT>
    Document 5 - file: ea020000901ex4-8_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.9
    <SEQUENCE>6
    <FILENAME>ea020000901ex4-9_seqllinc.htm
    <DESCRIPTION>FORM OF PRE-FUNDED WARRANT
    <TEXT>
    Document 6 - file: ea020000901ex4-9_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>7
    <FILENAME>ea020000901ex5-1_seqllinc.htm
    <DESCRIPTION>OPINION OF PRYOR CASHMAN LLP
    <TEXT>
    Document 7 - file: ea020000901ex5-1_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>8
    <FILENAME>ea020000901ex23-1_seqllinc.htm
    <DESCRIPTION>CONSENT OF WOLF & COMPANY, P.C., INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    <TEXT>
    Document 8 - file: ea020000901ex23-1_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.2
    <SEQUENCE>9
    <FILENAME>ea020000901ex23-2_seqllinc.htm
    <DESCRIPTION>CONSENT OF RBSM LLP
    <TEXT>
    Document 9 - file: ea020000901ex23-2_seqllinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>10
    <FILENAME>ea020000901ex-fee_seqllinc.htm
    <DESCRIPTION>FILING FEE TABLE
    <TEXT>
    Document 10 - file: ea020000901ex-fee_seqllinc.htm

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

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>timage_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: timage_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>ex5-1_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: ex5-1_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>ex5-1_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: ex5-1_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>ex23-2_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: ex23-2_001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>