    <SEC-DOCUMENT>0001193125-26-187189-index.html : 20260428
    <SEC-HEADER>0001193125-26-187189.hdr.sgml : 20260428
    <ACCEPTANCE-DATETIME>20260428162309
    ACCESSION NUMBER:		0001193125-26-187189
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		11
    FILED AS OF DATE:		20260428
    DATE AS OF CHANGE:		20260428

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Whitehawk Therapeutics, Inc.
    		CENTRAL INDEX KEY:			0001422142
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				611547850
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38560
    		FILM NUMBER:		26908228

    	BUSINESS ADDRESS:
    		STREET 1:		2 HEADQUARTERS PLAZA
    		STREET 2:		EAST BUILDING, 11TH FLOOR
    		CITY:			MORRISTOWN
    		STATE:			NJ
    		ZIP:			07960
    		BUSINESS PHONE:		551-321-2234

    	MAIL ADDRESS:
    		STREET 1:		2 HEADQUARTERS PLAZA
    		STREET 2:		EAST BUILDING, 11TH FLOOR
    		CITY:			MORRISTOWN
    		STATE:			NJ
    		ZIP:			07960

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Aadi Bioscience, Inc.
    		DATE OF NAME CHANGE:	20210826

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Aerpio Pharmaceuticals, Inc.
    		DATE OF NAME CHANGE:	20170316

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ZETA ACQUISITION CORP II
    		DATE OF NAME CHANGE:	20071227
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>whwk-20260428.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: whwk-20260428.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>img96983719_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: img96983719_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img96983719_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img96983719_1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>whwk-20260428.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
    <TEXT>
    Document 4 - file: whwk-20260428.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>6
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 6 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>7
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: FilingSummary.html

    Document 10 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>12
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>13
    <FILENAME>0001193125-26-187189-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: 0001193125-26-187189-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>whwk-20260428_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: whwk-20260428_htm.html

    Document 14 - RAW XML: whwk-20260428_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>