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CTMXCytomX Therapeutics, Inc.

Market cap
$505.53M
as of 2026-10-23
Latest close
$2.32
as of 2026-10-23
Sector
Healthcare
as of 2026-10-24
Industry
Biotechnology
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-12-19

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
McCarthy Sean A.CEONov 6, 2025Oct 164/AM101,793$1.59$161,8511,191,477YesForm 4/A
McCarthy Sean A.CEONov 6, 2025Oct 164/AS101,793$4.54Sale −$461,9061,089,684YesForm 4/A
McCarthy Sean A.CEONov 6, 2025Oct 164/AM · derivative101,793$1.59$161,851348,207YesForm 4/A
Carvajal AlejandraChief Legal OfficerAug 3Aug 5A100,000$0.00$0100,000NoForm 4
Carvajal AlejandraChief Legal OfficerAug 3Aug 5A · derivative450,000$3.17$1,426,500450,000NoForm 4
Fuchs Charles S.Jul 24Jul 30A · derivative118,000$3.24$382,320118,000NoForm 4
Jones Elaine VJun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Ashworth AlanJun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Gilbert Halley EJun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Meyers James RJun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Mohindru ManiJun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Young Matthew P.Jun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Su ZhenJun 17Jun 22A · derivative59,000$2.96$174,64059,000NoForm 4
Ogden ChristopherChief Financial OfficerJun 15Jun 17S1,624$3.05Sale −$4,953295,324NoForm 4
Ogden ChristopherChief Financial OfficerMar 17Mar 19S19,323$6.42Sale −$124,054296,948NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerMar 17Mar 19S31,492$6.42Sale −$202,179300,760NoForm 4
McCarthy Sean A.CEOMar 17Mar 19S118,969$6.42Sale −$763,7811,078,922YesForm 4
Chu Yu-WayeChief Medical OfficerMar 17Mar 19S21,279$6.42Sale −$136,611189,446NoForm 4
McCarthy Sean A.CEOFeb 2Feb 4A210,000$0.00$01,197,891NoForm 4
McCarthy Sean A.CEOFeb 2Feb 4A · derivative980,000$6.09$5,968,200980,000NoForm 4
Ogden ChristopherChief Financial OfficerFeb 2Feb 4A90,000$0.00$0316,271NoForm 4
Ogden ChristopherChief Financial OfficerFeb 2Feb 4A · derivative325,000$6.09$1,979,250325,000NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerFeb 2Feb 4A60,000$0.00$0332,252NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerFeb 2Feb 4A · derivative250,000$6.09$1,522,500250,000NoForm 4
Chu Yu-WayeChief Medical OfficerFeb 2Feb 4A75,000$0.00$0210,725NoForm 4
Chu Yu-WayeChief Medical OfficerFeb 2Feb 4A · derivative300,000$6.09$1,827,000300,000NoForm 4
Lester RachaelChief Business OfficerFeb 2Feb 4A20,000$0.00$020,000NoForm 4
Lester RachaelChief Business OfficerFeb 2Feb 4A · derivative50,000$6.09$304,50050,000NoForm 4
Lester RachaelChief Business OfficerFeb 2Feb 4A · derivative50,000$0.00$050,000NoForm 4
McCarthy Sean A.CEONov 6, 2025Nov 10, 2025S101,793$4.54Sale −$462,140987,891YesForm 4
Lester RachaelChief Business OfficerOct 20, 2025Oct 29, 2025A · derivative650,000$3.74$2,431,000650,000NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerSep 26, 2025Sep 30, 2025A · derivative36,300$2.90$105,27036,300NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerSep 26, 2025Sep 30, 2025A · derivative18,150$0.00$018,150NoForm 4
Ogden ChristopherChief Financial OfficerSep 26, 2025Sep 30, 2025A · derivative78,250$2.90$226,92578,250NoForm 4
Ogden ChristopherChief Financial OfficerSep 26, 2025Sep 30, 2025A · derivative39,150$0.00$039,150NoForm 4
Chu Yu-WayeChief Medical OfficerSep 26, 2025Sep 30, 2025A · derivative87,500$2.90$253,75087,500NoForm 4
Chu Yu-WayeChief Medical OfficerSep 26, 2025Sep 30, 2025A · derivative43,750$0.00$043,750NoForm 4
McCarthy Sean A.CEOSep 26, 2025Sep 30, 2025A · derivative570,000$2.90$1,653,000570,000NoForm 4
McCarthy Sean A.CEOSep 26, 2025Sep 30, 2025A · derivative285,000$0.00$0285,000NoForm 4
McCarthy Sean A.CEOJun 16, 2025Jun 17, 2025S55,511$2.69Sale −$149,3251,089,684NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerJun 16, 2025Jun 17, 2025S13,884$2.69Sale −$37,348272,252NoForm 4
Ogden ChristopherChief Financial OfficerJun 16, 2025Jun 17, 2025S10,614$2.69Sale −$28,552226,271NoForm 4
McCarthy Sean A.CEOJun 13, 2025Jun 17, 2025M150,000$0.00$01,145,195NoForm 4
McCarthy Sean A.CEOJun 13, 2025Jun 17, 2025M · derivative150,000$0.00$0not reportedNoForm 4
Belvin MarciaSVP, Chief Scientific OfficerJun 13, 2025Jun 17, 2025M37,500$0.00$0286,136NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerJun 13, 2025Jun 17, 2025M · derivative37,500$0.00$0not reportedNoForm 4
Ogden ChristopherChief Financial OfficerJun 13, 2025Jun 17, 2025S1,641$2.95Sale −$4,841199,385NoForm 4
Ogden ChristopherChief Financial OfficerJun 13, 2025Jun 17, 2025M37,500$0.00$0236,885NoForm 4
Ogden ChristopherChief Financial OfficerJun 13, 2025Jun 17, 2025M · derivative37,500$0.00$0not reportedNoForm 4
Ashworth AlanJun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Gilbert Halley EJun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Jones Elaine VJun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Meyers James RJun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Mohindru ManiJun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Young Matthew P.Jun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Su ZhenJun 11, 2025Jun 13, 2025A · derivative38,000$2.82$107,16038,000NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerMar 18, 2025Mar 20, 2025S19,512$0.60Sale −$11,707248,636NoForm 4
Rowland Lloyd AGeneral CounselMar 18, 2025Mar 20, 2025S10,203$0.60Sale −$6,122120,594NoForm 4
Chu Yu-WayeChief Medical OfficerMar 18, 2025Mar 20, 2025S4,025$0.60Sale −$2,415135,725NoForm 4
Ogden ChristopherChief Financial OfficerMar 18, 2025Mar 20, 2025S8,551$0.60Sale −$5,131201,026NoForm 4
McCarthy Sean A.CEOMar 18, 2025Mar 20, 2025S37,656$0.60Sale −$22,594995,195NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerFeb 4, 2025Feb 10, 20254/AA35,000$0.00$0210,648NoForm 4/A
Belvin MarciaSVP, Chief Scientific OfficerFeb 4, 2025Feb 10, 20254/AA57,500$0.00$0268,148NoForm 4/A
Belvin MarciaSVP, Chief Scientific OfficerFeb 4, 2025Feb 10, 20254/AA · derivative150,000$0.86$129,000150,000NoForm 4/A
Belvin MarciaSVP, Chief Scientific OfficerFeb 4, 2025Feb 10, 20254/AA · derivative115,000$0.86$98,900115,000NoForm 4/A
McCarthy Sean A.CEOFeb 4, 2025Feb 6, 2025A180,000$0.00$0837,851NoForm 4
McCarthy Sean A.CEOFeb 4, 2025Feb 6, 2025A195,000$0.00$01,032,851NoForm 4
McCarthy Sean A.CEOFeb 4, 2025Feb 6, 2025A · derivative800,000$0.86$688,000800,000NoForm 4
McCarthy Sean A.CEOFeb 4, 2025Feb 6, 2025A · derivative390,000$0.86$335,400390,000NoForm 4
Ogden ChristopherChief Financial OfficerFeb 4, 2025Feb 6, 2025A44,000$0.00$0152,077NoForm 4
Ogden ChristopherChief Financial OfficerFeb 4, 2025Feb 6, 2025A57,500$0.00$0209,577NoForm 4
Ogden ChristopherChief Financial OfficerFeb 4, 2025Feb 6, 2025A · derivative225,000$0.86$193,500225,000NoForm 4
Ogden ChristopherChief Financial OfficerFeb 4, 2025Feb 6, 2025A · derivative115,000$0.86$98,900115,000NoForm 4
Chu Yu-WayeChief Medical OfficerFeb 4, 2025Feb 6, 2025A56,000$0.00$082,250NoForm 4
Chu Yu-WayeChief Medical OfficerFeb 4, 2025Feb 6, 2025A57,500$0.00$0139,750NoForm 4
Chu Yu-WayeChief Medical OfficerFeb 4, 2025Feb 6, 2025A · derivative238,000$0.86$204,680238,000NoForm 4
Chu Yu-WayeChief Medical OfficerFeb 4, 2025Feb 6, 2025A · derivative115,000$0.86$98,900115,000NoForm 4
McCarthy Sean A.CEOAug 20, 2024Aug 22, 2024M37,500$0.00$0671,749NoForm 4
McCarthy Sean A.CEOAug 20, 2024Aug 22, 2024S13,898$1.23Sale −$17,095657,851NoForm 4
McCarthy Sean A.CEOAug 20, 2024Aug 22, 2024M · derivative37,500$0.00$0not reportedNoForm 4
Ogden ChristopherChief Financial OfficerAug 20, 2024Aug 22, 2024M6,875$0.00$0110,061NoForm 4
Ogden ChristopherChief Financial OfficerAug 20, 2024Aug 22, 2024S1,984$1.23Sale −$2,440108,077NoForm 4
Ogden ChristopherChief Financial OfficerAug 20, 2024Aug 22, 2024M · derivative6,875$0.00$0not reportedNoForm 4
Rowland Lloyd AGeneral CounselAug 20, 2024Aug 22, 2024M11,250$0.00$0134,978NoForm 4
Rowland Lloyd AGeneral CounselAug 20, 2024Aug 22, 2024S4,181$1.23Sale −$5,143130,797NoForm 4
Rowland Lloyd AGeneral CounselAug 20, 2024Aug 22, 2024M · derivative11,250$0.00$0not reportedNoForm 4
Belvin MarciaSVP, Chief Scientific OfficerAug 20, 2024Aug 22, 2024M11,250$0.00$0179,829NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerAug 20, 2024Aug 22, 2024S4,181$1.23Sale −$5,143175,648NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerAug 20, 2024Aug 22, 2024M · derivative11,250$0.00$0not reportedNoForm 4
Landau Jeffrey BChief Business OfficerAug 20, 2024Aug 22, 2024M11,250$0.00$0123,237NoForm 4
Landau Jeffrey BChief Business OfficerAug 20, 2024Aug 22, 2024S4,181$1.23Sale −$5,143119,056NoForm 4
Landau Jeffrey BChief Business OfficerAug 20, 2024Aug 22, 2024M · derivative11,250$0.00$0not reportedNoForm 4
Ogden ChristopherChief Financial OfficerJun 12, 2024Jun 14, 2024A17,500$0.00$0103,186NoForm 4
Ogden ChristopherChief Financial OfficerJun 12, 2024Jun 14, 2024A · derivative75,000$1.49$111,75075,000NoForm 4
Ashworth AlanMay 15, 2024May 17, 2024A · derivative38,000$1.96$74,48038,000NoForm 4
Gilbert Halley EMay 15, 2024May 17, 2024A · derivative38,000$1.96$74,48038,000NoForm 4
Jones Elaine VMay 15, 2024May 17, 2024A · derivative38,000$1.96$74,48038,000NoForm 4
Meyers James RMay 15, 2024May 17, 2024A · derivative38,000$1.96$74,48038,000NoForm 4
Mohindru ManiMay 15, 2024May 17, 2024A · derivative38,000$1.98$75,24038,000NoForm 4
Su ZhenMay 15, 2024May 17, 2024A · derivative38,000$1.96$74,48038,000NoForm 4
Young Matthew P.May 15, 2024May 17, 2024A · derivative38,000$1.96$74,48038,000NoForm 4
McCarthy Sean A.CEOMar 26, 2024Mar 28, 2024M109,768$1.57$172,336634,249NoForm 4
McCarthy Sean A.CEOMar 26, 2024Mar 28, 2024M · derivative109,768$1.57$172,336not reportedNoForm 4
Su ZhenMar 20, 2024Mar 22, 2024A · derivative76,000$2.27$172,52076,000NoForm 4
Landau Jeffrey BChief Business OfficerMar 19, 2024Mar 21, 2024S6,562$2.09Sale −$13,715110,060NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerMar 19, 2024Mar 21, 2024S12,795$2.09Sale −$26,742168,579NoForm 4
Ogden ChristopherSVP, Finance and AccountingMar 19, 2024Mar 21, 2024S2,971$2.09Sale −$6,20985,686NoForm 4
McCarthy Sean A.CEOMar 19, 2024Mar 21, 2024S20,223$2.09Sale −$42,266524,481NoForm 4
Rowland Lloyd AGeneral CounselMar 19, 2024Mar 21, 2024S5,268$2.09Sale −$11,010117,728NoForm 4
Chu Yu-WayeChief Medical OfficerJan 18, 2024Jan 19, 2024A26,250$0.00$026,250NoForm 4
Chu Yu-WayeChief Medical OfficerJan 18, 2024Jan 19, 2024A · derivative122,500$1.68$205,800122,500NoForm 4
Chu Yu-WayeChief Medical OfficerJan 18, 2024Jan 19, 2024A · derivative75,000$0.00$075,000NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerJan 18, 2024Jan 19, 2024A26,250$0.00$0181,374NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerJan 18, 2024Jan 19, 2024A · derivative122,500$1.68$205,800122,500NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerJan 18, 2024Jan 19, 2024A · derivative75,000$0.00$075,000NoForm 4
Landau Jeffrey BChief Business OfficerJan 18, 2024Jan 19, 2024A30,000$0.00$0116,622NoForm 4
Landau Jeffrey BChief Business OfficerJan 18, 2024Jan 19, 2024A · derivative140,000$1.68$235,200140,000NoForm 4
Landau Jeffrey BChief Business OfficerJan 18, 2024Jan 19, 2024A · derivative75,000$0.00$075,000NoForm 4
Ogden ChristopherSVP, Finance and AccountingJan 18, 2024Jan 19, 2024A40,000$0.00$088,657NoForm 4
Ogden ChristopherSVP, Finance and AccountingJan 18, 2024Jan 19, 2024A · derivative154,000$1.68$258,720154,000NoForm 4
Ogden ChristopherSVP, Finance and AccountingJan 18, 2024Jan 19, 2024A · derivative75,000$0.00$075,000NoForm 4
Rowland Lloyd AGeneral CounselJan 18, 2024Jan 19, 2024A25,000$0.00$0122,996NoForm 4
Rowland Lloyd AGeneral CounselJan 18, 2024Jan 19, 2024A · derivative100,000$1.68$168,000100,000NoForm 4
Rowland Lloyd AGeneral CounselJan 18, 2024Jan 19, 2024A · derivative75,000$0.00$075,000NoForm 4
McCarthy Sean A.CEOJan 18, 2024Jan 19, 2024A90,000$0.00$0544,704NoForm 4
McCarthy Sean A.CEOJan 18, 2024Jan 19, 2024A · derivative420,000$1.68$705,600420,000NoForm 4
McCarthy Sean A.CEOJan 18, 2024Jan 19, 2024A · derivative260,000$0.00$0260,000NoForm 4
Ogden ChristopherSVP, Finance and AccountingDec 20, 2023Dec 22, 2023S1,990$1.38Sale −$2,74648,657NoForm 4
Rowland Lloyd AGeneral CounselDec 20, 2023Dec 22, 2023S4,077$1.38Sale −$5,62697,996NoForm 4
Landau Jeffrey BChief Business OfficerDec 20, 2023Dec 22, 2023S4,077$1.38Sale −$5,62686,622NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerDec 20, 2023Dec 22, 2023S4,077$1.38Sale −$5,626155,124NoForm 4
McCarthy Sean A.CEODec 20, 2023Dec 22, 2023S13,551$1.38Sale −$18,700454,704NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerDec 17, 2023Dec 19, 2023M11,250$0.00$0159,201NoForm 4
Belvin MarciaSVP, Chief Scientific OfficerDec 17, 2023Dec 19, 2023M · derivative11,250$0.00$011,250NoForm 4
Rowland Lloyd AGeneral CounselDec 17, 2023Dec 19, 2023M11,250$0.00$0102,073NoForm 4
Rowland Lloyd AGeneral CounselDec 17, 2023Dec 19, 2023M · derivative11,250$0.00$011,250NoForm 4
Landau Jeffrey BChief Business OfficerDec 17, 2023Dec 19, 2023M11,250$0.00$090,699NoForm 4
Landau Jeffrey BChief Business OfficerDec 17, 2023Dec 19, 2023M · derivative11,250$0.00$011,250NoForm 4
McCarthy Sean A.CEODec 17, 2023Dec 19, 2023M37,500$0.00$0468,255NoForm 4
McCarthy Sean A.CEODec 17, 2023Dec 19, 2023M · derivative37,500$0.00$037,500NoForm 4
Ogden ChristopherSVP, Finance and AccountingDec 17, 2023Dec 19, 2023M6,875$0.00$050,647NoForm 4
Ogden ChristopherSVP, Finance and AccountingDec 17, 2023Dec 19, 2023M · derivative6,875$0.00$06,875NoForm 4