CTMX Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$1.2M
4 insiders
Net Insider Flow
-$1.2M
open market, 180d
Reporting Insiders
4
5 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 17, 2026Gilbert Halley EDirectorGrant(A)59K$0
Jun 17, 2026Ashworth AlanDirectorGrant(A)59K$0
Jun 17, 2026Meyers James RDirectorGrant(A)59K$0
Jun 17, 2026Jones Elaine VDirectorGrant(A)59K$0
Jun 17, 2026Su ZhenDirectorGrant(A)59K$0
Jun 17, 2026Young Matthew P.DirectorGrant(A)59K$0
Jun 17, 2026Mohindru ManiDirectorGrant(A)59K$0
Jun 15, 2026Ogden ChristopherChief Financial OfficerSell(S)2K$3.05$5K
Mar 17, 2026Ogden ChristopherChief Financial OfficerSell(S)19K$6.42$124K
Mar 17, 2026Belvin MarciaSVP, Chief Scientific OfficerSell(S)31K$6.42$202K
Mar 17, 2026McCarthy Sean A.CEO, DirectorSell(S)119K$6.42$764K
Mar 17, 2026Chu Yu-WayeChief Medical OfficerSell(S)21K$6.42$137K
Feb 2, 2026McCarthy Sean A.CEO, DirectorGrant(A)210K$0
Feb 2, 2026McCarthy Sean A.CEO, DirectorGrant(A)980K$0
Feb 2, 2026Ogden ChristopherChief Financial OfficerGrant(A)90K$0
Feb 2, 2026Ogden ChristopherChief Financial OfficerGrant(A)325K$0
Feb 2, 2026Belvin MarciaSVP, Chief Scientific OfficerGrant(A)60K$0
Feb 2, 2026Belvin MarciaSVP, Chief Scientific OfficerGrant(A)250K$0
Feb 2, 2026Chu Yu-WayeChief Medical OfficerGrant(A)75K$0
Feb 2, 2026Chu Yu-WayeChief Medical OfficerGrant(A)300K$0
Feb 2, 2026Lester RachaelChief Business OfficerGrant(A)20K$0
Feb 2, 2026Lester RachaelChief Business OfficerGrant(A)50K$0
Feb 2, 2026Lester RachaelChief Business OfficerGrant(A)50K$0
Nov 6, 2025McCarthy Sean A.CEO, DirectorSell(S)102K$4.54$462K
Oct 20, 2025Lester RachaelChief Business OfficerGrant(A)650K$0
Sep 26, 2025Belvin MarciaSVP, Chief Scientific OfficerGrant(A)18K$0
Sep 26, 2025Belvin MarciaSVP, Chief Scientific OfficerGrant(A)36K$0
Sep 26, 2025Ogden ChristopherChief Financial OfficerGrant(A)39K$0
Sep 26, 2025Ogden ChristopherChief Financial OfficerGrant(A)78K$0
Sep 26, 2025Chu Yu-WayeChief Medical OfficerGrant(A)44K$0
Sep 26, 2025Chu Yu-WayeChief Medical OfficerGrant(A)88K$0
Sep 26, 2025McCarthy Sean A.CEO, DirectorGrant(A)570K$0
Sep 26, 2025McCarthy Sean A.CEO, DirectorGrant(A)285K$0
Jun 16, 2025McCarthy Sean A.CEO, DirectorSell(S)56K$2.69$149K
Jun 16, 2025Belvin MarciaSVP, Chief Scientific OfficerSell(S)14K$2.69$37K
Jun 16, 2025Ogden ChristopherChief Financial OfficerSell(S)11K$2.69$29K
Jun 13, 2025McCarthy Sean A.CEO, DirectorOption exercise(M)150K$0
Jun 13, 2025McCarthy Sean A.CEO, DirectorOption exercise(M)150K$0
Jun 13, 2025Belvin MarciaSVP, Chief Scientific OfficerOption exercise(M)38K$0
Jun 13, 2025Belvin MarciaSVP, Chief Scientific OfficerOption exercise(M)38K$0
Jun 13, 2025Ogden ChristopherChief Financial OfficerOption exercise(M)38K$0
Jun 13, 2025Ogden ChristopherChief Financial OfficerSell(S)2K$2.95$5K
Jun 13, 2025Ogden ChristopherChief Financial OfficerOption exercise(M)38K$0
Jun 11, 2025Ashworth AlanDirectorGrant(A)38K$0
Jun 11, 2025Gilbert Halley EDirectorGrant(A)38K$0
Jun 11, 2025Jones Elaine VDirectorGrant(A)38K$0
Jun 11, 2025Meyers James RDirectorGrant(A)38K$0
Jun 11, 2025Mohindru ManiDirectorGrant(A)38K$0
Jun 11, 2025Young Matthew P.DirectorGrant(A)38K$0
Jun 11, 2025Su ZhenDirectorGrant(A)38K$0
Mar 18, 2025Belvin MarciaSVP, Chief Scientific OfficerSell(S)20K$0.60$12K
Mar 18, 2025Rowland Lloyd AGeneral CounselSell(S)10K$0.60$6K
Mar 18, 2025Chu Yu-WayeChief Medical OfficerSell(S)4K$0.60$2K
Mar 18, 2025Ogden ChristopherChief Financial OfficerSell(S)9K$0.60$5K
Mar 18, 2025McCarthy Sean A.CEO, DirectorSell(S)38K$0.60$23K
Feb 4, 2025McCarthy Sean A.CEO, DirectorGrant(A)195K$0
Feb 4, 2025McCarthy Sean A.CEO, DirectorGrant(A)180K$0
Feb 4, 2025McCarthy Sean A.CEO, DirectorGrant(A)800K$0
Feb 4, 2025McCarthy Sean A.CEO, DirectorGrant(A)390K$0
Feb 4, 2025Ogden ChristopherChief Financial OfficerGrant(A)44K$0
Feb 4, 2025Ogden ChristopherChief Financial OfficerGrant(A)58K$0
Feb 4, 2025Ogden ChristopherChief Financial OfficerGrant(A)115K$0
Feb 4, 2025Ogden ChristopherChief Financial OfficerGrant(A)225K$0
Feb 4, 2025Chu Yu-WayeChief Medical OfficerGrant(A)58K$0
Feb 4, 2025Chu Yu-WayeChief Medical OfficerGrant(A)56K$0
Feb 4, 2025Chu Yu-WayeChief Medical OfficerGrant(A)238K$0
Feb 4, 2025Chu Yu-WayeChief Medical OfficerGrant(A)115K$0
Feb 4, 2025Belvin MarciaSVP, Chief Scientific OfficerGrant(A)58K$0
Feb 4, 2025Belvin MarciaSVP, Chief Scientific OfficerGrant(A)35K$0
Feb 4, 2025Belvin MarciaSVP, Chief Scientific OfficerGrant(A)150K$0
Feb 4, 2025Belvin MarciaSVP, Chief Scientific OfficerGrant(A)115K$0
Aug 20, 2024McCarthy Sean A.CEO, DirectorSell(S)14K$1.23$17K
Aug 20, 2024McCarthy Sean A.CEO, DirectorOption exercise(M)38K$0
Aug 20, 2024McCarthy Sean A.CEO, DirectorOption exercise(M)38K$0
Aug 20, 2024Ogden ChristopherChief Financial OfficerOption exercise(M)7K$0
Aug 20, 2024Ogden ChristopherChief Financial OfficerSell(S)2K$1.23$2K
Aug 20, 2024Ogden ChristopherChief Financial OfficerOption exercise(M)7K$0
Aug 20, 2024Rowland Lloyd AGeneral CounselOption exercise(M)11K$0
Aug 20, 2024Rowland Lloyd AGeneral CounselSell(S)4K$1.23$5K
Aug 20, 2024Rowland Lloyd AGeneral CounselOption exercise(M)11K$0
Aug 20, 2024Belvin MarciaSVP, Chief Scientific OfficerOption exercise(M)11K$0
Aug 20, 2024Belvin MarciaSVP, Chief Scientific OfficerSell(S)4K$1.23$5K
Aug 20, 2024Belvin MarciaSVP, Chief Scientific OfficerOption exercise(M)11K$0
Aug 20, 2024Landau Jeffrey BChief Business OfficerOption exercise(M)11K$0
Aug 20, 2024Landau Jeffrey BChief Business OfficerSell(S)4K$1.23$5K
Aug 20, 2024Landau Jeffrey BChief Business OfficerOption exercise(M)11K$0
Jun 12, 2024Ogden ChristopherChief Financial OfficerGrant(A)18K$0
Jun 12, 2024Ogden ChristopherChief Financial OfficerGrant(A)75K$0
May 15, 2024Ashworth AlanDirectorGrant(A)38K$0
May 15, 2024Gilbert Halley EDirectorGrant(A)38K$0
May 15, 2024Jones Elaine VDirectorGrant(A)38K$0
May 15, 2024Meyers James RDirectorGrant(A)38K$0
May 15, 2024Mohindru ManiDirectorGrant(A)38K$0
May 15, 2024Su ZhenDirectorGrant(A)38K$0
May 15, 2024Young Matthew P.DirectorGrant(A)38K$0
Mar 26, 2024McCarthy Sean A.CEO, DirectorOption exercise(M)110K$1.57$172K
Mar 26, 2024McCarthy Sean A.CEO, DirectorOption exercise(M)110K$0
Mar 20, 2024Su ZhenDirectorGrant(A)76K$0
Mar 19, 2024Landau Jeffrey BChief Business OfficerSell(S)7K$2.09$14K
Mar 19, 2024Belvin MarciaSVP, Chief Scientific OfficerSell(S)13K$2.09$27K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).