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CYTOMX THERAPEUTICS INC (CTMX) Stock Ownership and Short Interest

USA - NASDAQ:CTMX - US23284F1057 - Common Stock

3.3 USD
-0.09 (-2.65%)
Last: 10/23/2025, 8:00:01 PM
3.33 USD
+0.03 (+0.91%)
After Hours: 10/23/2025, 8:00:01 PM
CTMX Ownership Chart.CTMX Ownership Chart: showing Insider, Institutional ownership and shares available to the public.CTMX Ownership.InsiderInstitutionalPublic



Shares Outstanding164.91M
Float145.33M
Float Short Interest Percentage19.93%
Owners (insider)0.6%
Owners (institutional)78.75%
Owners (insider) change3.95%
Owners (institutional) change0.59%
CTMX Institutional Ownership HistoryCTMX Institutional Ownership HistoryCTMX Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M 100M
CTMX Historical Insider Transactions ChartCTMX Historical Insider Buy and Sell Transactions ChartCTMX Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 200K 400K 600K
Date Name Type Shares Price Amount
Jun 16, 2025 BELVIN MARCIA Open Market Sale 13884 2.69 $ 37,334.08
Jun 16, 2025 McCarthy Sean A. Open Market Sale 55511 2.69 $ 149,263.53
Jun 13, 2025 McCarthy Sean A. Option Excercise 150000 0.00 $ 0.00
Jun 13, 2025 Ogden Christopher Open Market Sale 12255 2.72 $ 33,381.43
Jun 13, 2025 Ogden Christopher Option Excercise 37500 0.00 $ 0.00
Jun 13, 2025 BELVIN MARCIA Option Excercise 37500 0.00 $ 0.00
Mar 18, 2025 Ogden Christopher Open Market Sale 8551 0.60 $ 5,122.05
Mar 18, 2025 Chu Yu-Waye Open Market Sale 4025 0.60 $ 2,410.98
Mar 18, 2025 ROWLAND LLOYD A Open Market Sale 10203 0.60 $ 6,111.60
Mar 18, 2025 BELVIN MARCIA Open Market Sale 19512 0.60 $ 11,687.69
Mar 18, 2025 McCarthy Sean A. Open Market Sale 37656 0.60 $ 22,555.94
Feb 4, 2025 BELVIN MARCIA Grant 87500 0.00 $ 0.00
Feb 4, 2025 Chu Yu-Waye Grant 113500 0.00 $ 0.00
Feb 4, 2025 Ogden Christopher Grant 101500 0.00 $ 0.00
Feb 4, 2025 McCarthy Sean A. Grant 375000 0.00 $ 0.00
Feb 4, 2025 BELVIN MARCIA Grant 92500 0.00 $ 0.00