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CytomX Therapeutics, Inc. (CTMX)

NASDAQ: CTMX · Real-Time Price · USD
2.55-0.01 (-0.39%)
 
Market Cap555.14M-26.7%
Revenue (ttm)n/a-87.0%
Net Incomen/a-266.0%
EPSn/a-178.1%
Shares Out217.70M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume2,341,360
Open2.53
Previous Close2.56
Day's Range2.52 - 2.65
52-Week Range2.48 - 8.21
Betan/a
AnalystsBuy
Price Target8.50(+233.33%)
Earnings Daten/a
-3.13% (1D)
No price history available.
Insider Score
––Not scored
CTMX Insider Score

Insiders here have filed 1 Form 4 in the last 90 days, but all of them are share awards, grants or other non-market transactions. Those are compensation, not a decision to buy, so they are not scored.

About CTMX

CytomX Therapeutics, Inc. operates as an oncology-focused biopharmaceutical company that focuses on developing potent biologics designed to treat tumor microenvironment. The company utilizes conditional activation platform technology for oncology biologics research and development comprising the validation of targets for antibody-drug conjugates (ADCs), opening therapeutic window for novel T-cell engagers (TCEs) targeting solid tumors, and increasing the therapeutic index for immune modulators, such as cytokines; and PROBODY platform in preclinical research in areas outside of oncology. It also develops CX-904, a T-cell engaging bispecific antibody targeting the epidermal growth factor receptor (EGFR) on tumor cells and the CD3 receptor on T cells; CX-2051, a conditionally activated ADC for optimizing the therapeutic index for EpCAM-expressing epithelial cancers, including colorectal cancer; and CX-801, an interferon alpha-2b PROBODY cytokine. In addition, the company's development pipeline comprises CX-2029, a conditional activated ADC targeting CD71; and BMS-986288, a PROBODY version of non-fucosylated ipilimumab. It has strategic collaborations with Amgen, Astellas, Bristol Myers Squibb, Regeneron, and Moderna; and clinical trial collaboration and supply agreement with Merck for the evaluation of CX-801 in combination with anti-PD-1 therapy, KEYTRUDA (pembrolizumab). The company was founded in 2008 and is based in South San Francisco, California.

Address
151 Oyster Point Boulevard, South San Francisco, CA, 94080, United States
Market Cap
555 million
Employees
69
Industrial Classification
Biotechnology

What Are Insiders Doing?

Open-market buy / sell balanceNet Selling
Sold
$1.69M
Bought
$0

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

1 Day
-3.14%
5 Days
-7.84%
1 Month
-32.33%
6 Months
-41.88%
1 Year
-26.71%

$CTMX stock is featured in our Insider Trades datasets.

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Recently reported changes in CTMX holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by CTMX's directors and management

Net Shares Purchased by Insiders−200k−100k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

CTMX Estimated quarterly lobbying spending

Source: U.S. Senate LDA

CTMX Revenue by Segment

$15.69MTotal
SegmentRevenue% of All
Internal costs$8.51M54.25%
Varseta-M (EpCAM)$6.22M39.67%
CX-801 (IFNAlpha2b)$437.00K2.79%
Other Wholly Owned and Partnered Programs$272.00K1.73%
CX-904 (EGFRxCD3)$227.00K1.45%
Other income$18.00K0.11%

As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New CTMX patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to CTMX from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in CTMX

ETFEst. Holding Size
VTIVanguard Morningstar Total Stock Market ETF$20.93M
XBIState Street SPDR S&P Biotech ETF$13.61M
IWMiShares Russell 2000 ETF$12.63M
VXFVanguard Extended Market ETF$7.03M
IBBiShares Biotechnology ETF$3.67M
VTWOVanguard Russell 2000 ETF$3.44M

Estimated from each fund’s disclosed top holdings × AUM

CTMX Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

No Insider Score for CTMX yet — no open-market insider buys or sells in the last 90 days.

Bull Case vs Bear Case

AI-generated from CTMX’s recent data — informational, not investment advice

Generating analysis…

Recent Insider Activity

Buys
0
Sells
6
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.