    <SEC-DOCUMENT>0001104659-24-049264-index.html : 20240419
    <SEC-HEADER>0001104659-24-049264.hdr.sgml : 20240419
    <ACCEPTANCE-DATETIME>20240419150021
    ACCESSION NUMBER:		0001104659-24-049264
    CONFORMED SUBMISSION TYPE:	S-1
    PUBLIC DOCUMENT COUNT:		35
    FILED AS OF DATE:		20240419
    DATE AS OF CHANGE:		20240419

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GP-Act III Acquisition Corp.
    		CENTRAL INDEX KEY:			0001834526
    		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			E9
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-1
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-278825
    		FILM NUMBER:		24857333

    	BUSINESS ADDRESS:
    		STREET 1:		PO BOX 309, UGLAND HOUSE
    		CITY:			GRAND CAYMAN
    		STATE:			E9
    		ZIP:			KY1-1104
    		BUSINESS PHONE:		(212) 430-4340

    	MAIL ADDRESS:
    		STREET 1:		PO BOX 309, UGLAND HOUSE
    		CITY:			GRAND CAYMAN
    		STATE:			E9
    		ZIP:			KY1-1104

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	GP Investments Acquisition Corp. II
    		DATE OF NAME CHANGE:	20201202
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-1
    <SEQUENCE>1
    <FILENAME>tm243519d4_s-1.htm
    <DESCRIPTION>FORM S-1
    <TEXT>
    Document 1 - file: tm243519d4_s-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.1
    <SEQUENCE>2
    <FILENAME>tm243519d4_ex3-1.htm
    <DESCRIPTION>EXHIBIT 3.1
    <TEXT>
    Document 2 - file: tm243519d4_ex3-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.2
    <SEQUENCE>3
    <FILENAME>tm243519d4_ex3-2.htm
    <DESCRIPTION>EXHIBIT 3.2
    <TEXT>
    Document 3 - file: tm243519d4_ex3-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.1
    <SEQUENCE>4
    <FILENAME>tm243519d4_ex4-1.htm
    <DESCRIPTION>EXHIBIT 4.1
    <TEXT>
    Document 4 - file: tm243519d4_ex4-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.2
    <SEQUENCE>5
    <FILENAME>tm243519d4_ex4-2.htm
    <DESCRIPTION>EXHIBIT 4.2
    <TEXT>
    Document 5 - file: tm243519d4_ex4-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.4
    <SEQUENCE>6
    <FILENAME>tm243519d4_ex4-4.htm
    <DESCRIPTION>EXHIBIT 4.4
    <TEXT>
    Document 6 - file: tm243519d4_ex4-4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>7
    <FILENAME>tm243519d4_ex5-1.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 7 - file: tm243519d4_ex5-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.2
    <SEQUENCE>8
    <FILENAME>tm243519d4_ex5-2.htm
    <DESCRIPTION>EXHIBIT 5.2
    <TEXT>
    Document 8 - file: tm243519d4_ex5-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>9
    <FILENAME>tm243519d4_ex10-1.htm
    <DESCRIPTION>EXHIBIT 10.1
    <TEXT>
    Document 9 - file: tm243519d4_ex10-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>10
    <FILENAME>tm243519d4_ex10-2.htm
    <DESCRIPTION>EXHIBIT 10.2
    <TEXT>
    Document 10 - file: tm243519d4_ex10-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.3
    <SEQUENCE>11
    <FILENAME>tm243519d4_ex10-3.htm
    <DESCRIPTION>EXHIBIT 10.3
    <TEXT>
    Document 11 - file: tm243519d4_ex10-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.4
    <SEQUENCE>12
    <FILENAME>tm243519d4_ex10-4.htm
    <DESCRIPTION>EXHIBIT 10.4
    <TEXT>
    Document 12 - file: tm243519d4_ex10-4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.5
    <SEQUENCE>13
    <FILENAME>tm243519d4_ex10-5.htm
    <DESCRIPTION>EXHIBIT 10.5
    <TEXT>
    Document 13 - file: tm243519d4_ex10-5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.6
    <SEQUENCE>14
    <FILENAME>tm243519d4_ex10-6.htm
    <DESCRIPTION>EXHIBIT 10.6
    <TEXT>
    Document 14 - file: tm243519d4_ex10-6.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.7
    <SEQUENCE>15
    <FILENAME>tm243519d4_ex10-7.htm
    <DESCRIPTION>EXHIBIT 10.7
    <TEXT>
    Document 15 - file: tm243519d4_ex10-7.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.8
    <SEQUENCE>16
    <FILENAME>tm243519d4_ex10-8.htm
    <DESCRIPTION>EXHIBIT 10.8
    <TEXT>
    Document 16 - file: tm243519d4_ex10-8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.9
    <SEQUENCE>17
    <FILENAME>tm243519d4_ex10-9.htm
    <DESCRIPTION>EXHIBIT 10.9
    <TEXT>
    Document 17 - file: tm243519d4_ex10-9.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.10
    <SEQUENCE>18
    <FILENAME>tm243519d4_ex10-10.htm
    <DESCRIPTION>EXHIBIT 10.10
    <TEXT>
    Document 18 - file: tm243519d4_ex10-10.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.11
    <SEQUENCE>19
    <FILENAME>tm243519d4_ex10-11.htm
    <DESCRIPTION>EXHIBIT 10.11
    <TEXT>
    Document 19 - file: tm243519d4_ex10-11.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.12
    <SEQUENCE>20
    <FILENAME>tm243519d4_ex10-12.htm
    <DESCRIPTION>EXHIBIT 10.12
    <TEXT>
    Document 20 - file: tm243519d4_ex10-12.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.13
    <SEQUENCE>21
    <FILENAME>tm243519d4_ex10-13.htm
    <DESCRIPTION>EXHIBIT 10.13
    <TEXT>
    Document 21 - file: tm243519d4_ex10-13.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.14
    <SEQUENCE>22
    <FILENAME>tm243519d4_ex10-14.htm
    <DESCRIPTION>EXHIBIT 10.14
    <TEXT>
    Document 22 - file: tm243519d4_ex10-14.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.15
    <SEQUENCE>23
    <FILENAME>tm243519d4_ex10-15.htm
    <DESCRIPTION>EXHIBIT 10.15
    <TEXT>
    Document 23 - file: tm243519d4_ex10-15.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.16
    <SEQUENCE>24
    <FILENAME>tm243519d4_ex10-16.htm
    <DESCRIPTION>EXHIBIT 10.16
    <TEXT>
    Document 24 - file: tm243519d4_ex10-16.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.17
    <SEQUENCE>25
    <FILENAME>tm243519d4_ex10-17.htm
    <DESCRIPTION>EXHIBIT 10.17
    <TEXT>
    Document 25 - file: tm243519d4_ex10-17.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.18
    <SEQUENCE>26
    <FILENAME>tm243519d4_ex10-18.htm
    <DESCRIPTION>EXHIBIT 10.18
    <TEXT>
    Document 26 - file: tm243519d4_ex10-18.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.19
    <SEQUENCE>27
    <FILENAME>tm243519d4_ex10-19.htm
    <DESCRIPTION>EXHIBIT 10.19
    <TEXT>
    Document 27 - file: tm243519d4_ex10-19.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.20
    <SEQUENCE>28
    <FILENAME>tm243519d4_ex10-20.htm
    <DESCRIPTION>EXHIBIT 10.20
    <TEXT>
    Document 28 - file: tm243519d4_ex10-20.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.21
    <SEQUENCE>29
    <FILENAME>tm243519d4_ex10-21.htm
    <DESCRIPTION>EXHIBIT 10.21
    <TEXT>
    Document 29 - file: tm243519d4_ex10-21.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.22
    <SEQUENCE>30
    <FILENAME>tm243519d4_ex10-22.htm
    <DESCRIPTION>EXHIBIT 10.22
    <TEXT>
    Document 30 - file: tm243519d4_ex10-22.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-14
    <SEQUENCE>31
    <FILENAME>tm243519d4_ex14.htm
    <DESCRIPTION>EXHIBIT 14
    <TEXT>
    Document 31 - file: tm243519d4_ex14.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>32
    <FILENAME>tm243519d4_ex23-1.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 32 - file: tm243519d4_ex23-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>33
    <FILENAME>tm243519d4_ex-filingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 33 - file: tm243519d4_ex-filingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>image_003.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: image_003.gif

    </DOCUMENT>
    </SEC-DOCUMENT>