0001628280-24-029301.txt : 20240621 0001628280-24-029301.hdr.sgml : 20240621 20240621160643 ACCESSION NUMBER: 0001628280-24-029301 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 13 CONFORMED PERIOD OF REPORT: 20240621 ITEM INFORMATION: Submission of Matters to a Vote of Security Holders FILED AS OF DATE: 20240621 DATE AS OF CHANGE: 20240621 FILER: COMPANY DATA: COMPANY CONFORMED NAME: C4 Therapeutics, Inc. CENTRAL INDEX KEY: 0001662579 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 475617627 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-39567 FILM NUMBER: 241060199 BUSINESS ADDRESS: STREET 1: 490 ARSENAL WAY STREET 2: SUITE 120 CITY: WATERTOWN STATE: MA ZIP: 02472 BUSINESS PHONE: (617) 231-0700 MAIL ADDRESS: STREET 1: 490 ARSENAL WAY STREET 2: SUITE 120 CITY: WATERTOWN STATE: MA ZIP: 02472 8-K 1 cccc-20240621.htm 8-K cccc-20240621
0001662579false00016625792024-06-212024-06-21

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_________________________________________________________________
FORM 8-K
_________________________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 21, 2024 (June 20, 2024)
_________________________________________________________________
C4 THERAPEUTICS, INC.
(Exact name of Registrant as Specified in Its Charter)
_________________________________________________________________
Delaware001-3956747-5617627
(State or Other Jurisdiction
of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
490 Arsenal Way,   Suite 120
Watertown,  MA
02472
(Address of Principal Executive Offices)(Zip Code)
Registrant’s Telephone Number, Including Area Code: (617231-0700
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
_________________________________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol(s)
Name of each exchange on which registered
Common Stock, $0.0001 par value per shareCCCCThe Nasdaq Global Select Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
 



Item 5.07 Submission of Matters to a Vote of Security Holders.
C4 Therapeutics, Inc. (the “Company”) held its Annual Meeting of Stockholders on June 20, 2024 (the “Annual Meeting”). The following is a summary of the matters voted on at the Annual Meeting.
a) The stockholders of the Company elected each of Kenneth Anderson, M.D., Laura Bessen, M.D. and Owen Hughes as Class I directors, to hold office until the 2027 annual meeting of stockholders and until their respective successors have been duly elected and qualified or until his or her earlier resignation or removal. The results of the stockholders’ vote with respect to the election of the Class I directors were as follows:
ForWithheldBroker Non-Votes
Kenneth Anderson, M.D.38,005,401 8,553,384 8,008,712 
Laura Bessen, M.D.37,738,853 8,819,932 8,008,712 
Owen Hughes27,472,145 19,086,640 8,008,712 
b) The stockholders of the Company cast a non-binding, advisory vote to approve the compensation of the Company’s named executive officers. The results of the stockholders’ vote with respect to this proposal were as follows:
ForAgainstAbstainBroker Non-Votes
34,500,552 11,936,841 121,392 8,008,712 
c) The stockholders of the Company ratified the selection of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2024. The results of the stockholders’ vote with respect to this ratification proposal were as follows:
ForAgainstAbstainBroker Non-Votes
54,362,556 170,867 34,074 — 
No other matters were submitted to or voted on by the Company’s stockholders at the Annual Meeting.



SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
C4 Therapeutics, Inc.
Date: June 21, 2024
By:/s/ Jolie M. Siegel
Jolie M. Siegel
Chief Legal Officer

EX-101.SCH 2 cccc-20240621.xsd XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 0000001 - Document - Cover Page Document link:presentationLink link:calculationLink link:definitionLink EX-101.LAB 3 cccc-20240621_lab.xml XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Central Index Key Entity Central Index Key Entity File Number Entity File Number Entity Address, State or Province Entity Address, State or Province Security Exchange Name Security Exchange Name Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Soliciting Material Soliciting Material Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cover [Abstract] Written Communications Written Communications Entity Address, Address Line Two Entity Address, Address Line Two Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security City Area Code City Area Code Document Period End Date Document Period End Date Amendment Flag Amendment Flag Entity Tax Identification Number Entity Tax Identification Number Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Pre-commencement Tender Offer Pre-commencement Tender Offer Document Type Document Type Entity Emerging Growth Company Entity Emerging Growth Company EX-101.PRE 4 cccc-20240621_pre.xml XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT XML 6 R1.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Cover Page Document
Jun. 21, 2024
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 21, 2024
Entity Registrant Name C4 THERAPEUTICS, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39567
Entity Tax Identification Number 47-5617627
Entity Address, Address Line One 490 Arsenal Way,
Entity Address, Address Line Two Suite 120
Entity Address, City or Town Watertown,
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02472
City Area Code 617
Local Phone Number 231-0700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.0001 par value per share
Trading Symbol CCCC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001662579
Amendment Flag false
EXCEL 7 Financial_Report.xlsx IDEA: XBRL DOCUMENT begin 644 Financial_Report.xlsx M4$L#!!0 ( -6 U5@'04UB@0 +$ 0 9&]C4')O<',O87!P+GAM M;$V./0L",1!$_\IQO;=!P4)B0-!2L+(/>QLOD&1#LD)^OCG!CVX>;QA&WPIG M*N*I#BV&5(_C(I(/ !47BK9.7:=N')=HI6-Y #OGDK7A.YNJQ<&4GPZ4A!0W_J=0U[R;UEA_6\#MI7E!+ P04 M " #5@-581A27VNX K @ $0 &1O8U!R;W!S+V-O&ULS9+/ M:L,P#(=?9?B>R'%+#B;-I:.G#@8K;.QF;+4UB_]@:R1]^R59FS*V!]C1TL^? M/H$:':4."9]3B)C(8GX87.>SU''#SD11 F1]1J=R.2;\V#R&Y!2-SW2"J/2' M.B$(SFMP2,HH4C !B[@06=L8+75"12%=\48O^/B9NAEF-&"'#CUEJ,H*6#M- MC)>A:^ .F&"$R>7O IJ%.%?_Q,X=8-?DD.V2ZON^[%=S;MRA@K>G_-AQUK!Q;K@=2&J@^"2UW)=O4^N/_SNPBX8>[3_ MV/@FV#;PZR[:+U!+ P04 " #5@-58F5R<(Q & "<)P $P 'AL+W1H M96UE+W1H96UE,2YX;6SM6EMSVC@4?N^OT'AG]FT+QC:!MK03621A'^_1S80RY8-[9)-NIL\!"SI^\Y%1^?H.'GS[BYBZ(:(E/)X M8-DOV]:[MR_>X%#BVR]*+ M41B1%G\@M MNN01.+5)#3(3/PB=AIAJ4!P"I DQEJ&&^+3&K!'@$WVWO@C(WXV(]ZMOFCU7 MH5A)VH3X$$8:XIQSYG/1;/L'I4;1]E6\W*.76!4!EQC?-*HU+,76>)7 \:V< M/!T3$LV4"P9!AI@S M&L%&KQMUAVC2/'K^!?F<-0HACA*FNVB<5@$_9Y>PTG!Z(++9OVX?H;5,VPLCO='U!=*Y \FIS_I,C0' MHYI9";V$5FJ?JH,@H%\;D>/N5Z> HWEL:\4*Z">P'_T=HWPJOX@L Y M?RY]SZ7ON?0]H=*W-R-]9\'3BUO>1FY;Q/NN,=K7-"XH8U=RSTS0LS0[=R2^JVE+ZU)CA* M]+',<$X>RPP[9SR2';9WH!TU^_9==N0CI3!3ET.X&D*^ VVZG=PZ.)Z8D;D* MTU*0;\/YZ<5X&N(YV02Y?9A7;>?8T='[Y\%1L*/O/)8=QXCRHB'NH8:8S\-# MAWE[7YAGE<90-!1M;*PD+$:W8+C7\2P4X&1@+: '@Z]1 O)256 Q6\8#*Y"B M?$R,1>APYY=<7^/1DN/;IF6U;J\I=QEM(E(YPFF8$V>KRMYEL<%5'<]56_*P MOFH]M!5.S_Y9KF4Q9Z;RWRT,"2Q;B%D2XDU=[=7GFYRN>B)V^I=W MP6#R_7#)1P_E.^=?]%U#KG[VW>/Z;I,[2$R<><41 71% B.5' 86%S+D4.Z2 MD 83 >LX=SFWJXPD6L_UC6'ODRWSEPVSK> U[F M$RQ#I'[!?8J*@!&K8KZZKT_Y)9P[M'OQ@2";_-;;I/;=X Q\U*M:I60K$3]+ M!WP?D@9CC%OT-%^/%&*MIK&MQMHQ#'F 6/,,H68XWX=%FAHSU8NL.8T*;T'5 M0.4_V]0-:/8--!R1!5XQF;8VH^1."CS<_N\-L,+$CN'MB[\!4$L#!!0 ( M -6 U5@JT"[Y800 "P1 8 >&PO=V]R:W-H965T&UL MG9AO<^(V$,:_BL;M=-H9$ML*?Y(4F"&$W-&[Y&C@FIEV^D+8 C2Q)5>20_CV M71FP:<\LM'D1+-O[\//NZI%%=ZWTJUEQ;LE[FDC3\U;69K>^;Z(53YFY5!F7 M<&6A=,HL#/72-YGF+"Z"TL2G0=#V4R:DU^\6YR:ZWU6Y383D$TU,GJ9,;^YX MHM8]+_3V)Y[%'M'6RZ@ MN.,WP=?FX)BX1YDK]>H&X[CG!8Z()SRR3H+!QQL?\B1Q2L#QUT[4*[_3!1X> M[]4?BH>'AYDSPX1&Q7?6\:X_$?,'RQ#ZK]4>^>Z ",%*)*?Z3]?;>9M,C M46ZL2G?!0) *N?UD[[M$' ;0(P%T%T +[NT7%93WS+)^5ZLUT>YN4','Q:,6 MT0 GI*O*U&JX*B#.]H?JC6LR@0*0>Q7ED&_;]2T(N\M^M!.YVXK0(R*_Y/*2 MT+!!:$";_PSW@:>$HB44+?2N4*@_!G-C-93MSSJBK4*S7L'U\JW)6,1['C2K MX?J->_T?O@O;P<\(WU7)=X6I]_>9(K--QNO@\/#KBT\(1+.$:)X',>%:J)B, M9$R@!6IY<*6R?*?JURK16JC@2%IA-^29+X6K(# ^L;06#-<9-LGLX^AY,!E] MG8V'TP89/PTO$;YVR=<^AV\L(Z4SI9GSAP:96L@>49H,52ZMWL!G7 N-B]^/ M$,).2=@YA_!!))P\Y>F-_0'Y#/>1+[*VBKAB\R8@ VVX M9 EY89L& AD&E=<&_Q]SME:USHM+3G,!31O2 ,\6 S"_P0X=".8$3.UEK5P MN-P+3"AM(19-7[4JA*BI?T-73MB)5F]"1K5E/J'Y.,#0J@4AQ"W]WV@392QT MSN\B.^HB)Q3!B3L48ZO6B1"W]Z*( WAE.XZ""\ TQ4"J52'$[?RSBB GDY62 MF*F=$*%7X470"=!^K]:!$/?J%RVLY1(2DZ:YW%F:J:7"A18L,1Q#JHP_Q%U[ MJA(1"2ODDCRZZ2-84LN#JYSDJ8P_Q'UZHOE%!.GA,+^V[SQ7Y(6[1WY"-CK9B$33Y!_L?=WO"(_,E<60A"] M*+CL@*[>;LVW ZNR8CL\5Q8VU\7ABC-P#'<#7%\H9?<#M\,N?R#I_PU02P,$ M% @ U8#56)^@&_"Q @ X@P T !X;"]S='EL97,N>&ULW5=M:]LP M$/XK0C]@;F)JXI$8MD!AL(U"\V%?E5AV!'KQ9+ES^NNGLVPG:75EW8>QS:') MW3VZNT=W)YFN6W>2_.'(N2.]DKK=T*-SS?LD:0]'KEC[SC1<>Z0R5C'G55LG M;6,Y*UMP4C)9WMQDB6)"TV*M.W6G7$L.IM-N0V]H4JPKH\^6E :#7\H4)X], M;NB62;&W8EC+E)"G8%Z"X6"DL<1Y*GQ#%V!IGP*\"!JP'.,HH8T%8Q(RA._] MN/P9,&FM5X64,\$E#89BW3#GN-5W7AD6#\87$!GEW:GQ#&O+3HOE+3T[##\^ MR=[8DMLYS8).IF(M>05TK*B/\.M,DP#HG%%>* 6KC68#A\EC%'S8 Y?R 5KX MK;J*W5B'_2^FO-CT1=X=-8T\O1!BEHK'O;^RPF+-9O\R-%8\>2SP:0)P:?EA6;/CO9NFJ:]PSLM_D/.?K7/--;=,7I+VH_\W5_DMC)/Q]%P< MT:L#.EL)7(0;^A7N5WGF0/:=D$[H43N*LN3ZQ3GUX1W;^PO\*KY?7_**==+M M9G!#S_(77HI.Y?.J>ZC+N.HL?X;[:)'-M[#/)73)>UYN1]76^T$D7O!9QP<< MGB-WPQ-',)^ Q1' L#P8 \PG>&%Y_J?]K-#]! SCMHHB*]1GA?H$KQBR'3Y8 MGKA/[I_X3O,\3;,,J^AV&V6PQ>J69? 7CX9Q P\L#V1Z6ZWQ;N,3\OH<8#U] M;4*PG>*3B.T4KS4@\;J!1Y['NXWE 0^L"]CL0/YX'IBIN$^:0ERHY_U=3_ 102P,$% @ U8#56)>*NQS $P( L !?3T\$MP>:4#M.*2VBZD8_1!2:5K5N %(MB6/:(7->=I3W;+T]!;X"O.DQQ0FE(2S,.\,W2?S+W\PPU M1>5*(Y5;&GC3Y?YVX$G1H2)8%II%R=.B':5_'B4?'D78FYJD6:>IK&HP=MX1PT$ MG53$WHI"/J:Q8;!EK '$NW2:9;/46PQFN1BUMIS> A(H!"DHV1%[A$O\G7

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end XML 8 Show.js IDEA: XBRL DOCUMENT // Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission. Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105. var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0); e.removeAttribute('id');a.parentNode.appendChild(e)}} if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'} e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}} XML 9 report.css IDEA: XBRL DOCUMENT /* Updated 2009-11-04 */ /* v2.2.0.24 */ /* DefRef Styles */ ..report table.authRefData{ background-color: #def; border: 2px solid #2F4497; font-size: 1em; position: absolute; } ..report table.authRefData a { display: block; font-weight: bold; } ..report table.authRefData p { margin-top: 0px; } ..report table.authRefData .hide { background-color: #2F4497; padding: 1px 3px 0px 0px; text-align: right; } ..report table.authRefData .hide a:hover { background-color: #2F4497; } ..report table.authRefData .body { height: 150px; overflow: auto; width: 400px; } ..report table.authRefData table{ font-size: 1em; } /* Report Styles */ ..pl a, .pl a:visited { color: black; text-decoration: none; } /* table */ ..report { background-color: white; border: 2px solid #acf; clear: both; color: black; font: normal 8pt Helvetica, Arial, san-serif; margin-bottom: 2em; } ..report hr { border: 1px solid #acf; } /* Top labels */ ..report th { background-color: #acf; color: black; font-weight: bold; text-align: center; } ..report th.void { background-color: transparent; color: #000000; font: bold 10pt Helvetica, Arial, san-serif; text-align: left; } ..report .pl { text-align: left; vertical-align: top; white-space: normal; width: 200px; white-space: normal; /* word-wrap: break-word; */ } ..report td.pl a.a { cursor: pointer; display: block; width: 200px; overflow: hidden; } ..report td.pl div.a { width: 200px; } ..report td.pl a:hover { background-color: #ffc; } /* Header rows... */ ..report tr.rh { background-color: #acf; color: black; font-weight: bold; } /* Calendars... */ ..report .rc { background-color: #f0f0f0; } /* Even rows... */ ..report .re, .report .reu { background-color: #def; } ..report .reu td { border-bottom: 1px solid black; } /* Odd rows... */ ..report .ro, .report .rou { background-color: white; } ..report .rou td { border-bottom: 1px solid black; } ..report .rou table td, .report .reu table td { border-bottom: 0px solid black; } /* styles for footnote marker */ ..report .fn { white-space: nowrap; } /* styles for numeric types */ ..report .num, .report .nump { text-align: right; white-space: nowrap; } ..report .nump { padding-left: 2em; } ..report .nump { padding: 0px 0.4em 0px 2em; } /* styles for text types */ ..report .text { text-align: left; white-space: normal; } ..report .text .big { margin-bottom: 1em; width: 17em; } ..report .text .more { display: none; } ..report .text .note { font-style: italic; font-weight: bold; } ..report .text .small { width: 10em; } ..report sup { font-style: italic; } ..report .outerFootnotes { font-size: 1em; } XML 11 FilingSummary.xml IDEA: XBRL DOCUMENT 3.24.1.1.u2 html 1 23 1 false 0 0 false 0 false false R1.htm 0000001 - Document - Cover Page Document Sheet http://c4therapeutics.com/role/CoverPageDocument Cover Page Document Cover 1 false false All Reports Book All Reports cccc-20240621.htm cccc-20240621.xsd cccc-20240621_lab.xml cccc-20240621_pre.xml http://xbrl.sec.gov/dei/2024 true false JSON 13 MetaLinks.json IDEA: XBRL DOCUMENT { "version": "2.2", "instance": { "cccc-20240621.htm": { "nsprefix": "cccc", "nsuri": "http://c4therapeutics.com/20240621", "dts": { "inline": { "local": [ "cccc-20240621.htm" ] }, "schema": { "local": [ "cccc-20240621.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.sec.gov/dei/2024/dei-2024.xsd" ] }, "labelLink": { "local": [ "cccc-20240621_lab.xml" ] }, "presentationLink": { "local": [ "cccc-20240621_pre.xml" ] } }, "keyStandard": 23, "keyCustom": 0, "axisStandard": 0, "axisCustom": 0, "memberStandard": 0, "memberCustom": 0, "hidden": { "total": 2, "http://xbrl.sec.gov/dei/2024": 2 }, "contextCount": 1, "entityCount": 1, "segmentCount": 0, "elementCount": 24, "unitCount": 0, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2024": 23 }, "report": { "R1": { "role": "http://c4therapeutics.com/role/CoverPageDocument", "longName": "0000001 - Document - Cover Page Document", "shortName": "Cover Page Document", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "cccc-20240621.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "cccc-20240621.htm", "first": true, "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "AmendmentFlag", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CityAreaCode", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentPeriodEndDate", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentType", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressAddressLine1", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine2": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressAddressLine2", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line Two", "label": "Entity Address, Address Line Two", "documentation": "Address Line 2 such as Street or Suite number" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressCityOrTown", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, City or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, State or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityCentralIndexKey", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r1" ] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r1" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityFileNumber", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityRegistrantName", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r1" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r1" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "LocalPhoneNumber", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "dei_PreCommencementIssuerTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "PreCommencementIssuerTenderOffer", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-commencement Issuer Tender Offer", "label": "Pre-commencement Issuer Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act." } } }, "auth_ref": [ "r3" ] }, "dei_PreCommencementTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "PreCommencementTenderOffer", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-commencement Tender Offer", "label": "Pre-commencement Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act." } } }, "auth_ref": [ "r5" ] }, "dei_Security12bTitle": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "Security12bTitle", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Title of 12(b) Security", "label": "Title of 12(b) Security", "documentation": "Title of a 12(b) registered security." } } }, "auth_ref": [ "r0" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "SecurityExchangeName", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Security Exchange Name", "label": "Security Exchange Name", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r2" ] }, "dei_SolicitingMaterial": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "SolicitingMaterial", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Soliciting Material", "label": "Soliciting Material", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act." } } }, "auth_ref": [ "r4" ] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "TradingSymbol", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Symbol", "label": "Trading Symbol", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "dei_WrittenCommunications": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "WrittenCommunications", "presentation": [ "http://c4therapeutics.com/role/CoverPageDocument" ], "lang": { "en-us": { "role": { "terseLabel": "Written Communications", "label": "Written Communications", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act." } } }, "auth_ref": [ "r6" ] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "13e", "Subsection": "4c" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14a", "Subsection": "12" }, "r5": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14d", "Subsection": "2b" }, "r6": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "425" } } } ZIP 14 0001628280-24-029301-xbrl.zip IDEA: XBRL DOCUMENT begin 644 0001628280-24-029301-xbrl.zip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end XML 16 cccc-20240621_htm.xml IDEA: XBRL DOCUMENT 0001662579 2024-06-21 2024-06-21 0001662579 false 8-K 2024-06-21 C4 THERAPEUTICS, INC. DE 001-39567 47-5617627 490 Arsenal Way, Suite 120 Watertown, MA 02472 617 231-0700 false false false false Common Stock, $0.0001 par value per share CCCC NASDAQ false