Transaction · 0001610717-26-000442

McCarthy Sean A.

McCarthy Sean A., CEO, reported a transaction classified as exercise at CytomX Therapeutics, Inc. involving 101793.000000 shares for an estimated $161850.87. Reported holdings after the transaction were 1191477.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MCEO
CTMXCytomX Therapeutics, Inc.
Trade date
Nov 06, 2025
Filing date
Oct 16, 2026
View on SEC Insider profile
Estimated value$161kShares × reported price
Shares traded101k$1.59 per share
Holdings after1.19MDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
2 warnings
amended filingThis transaction comes from an amended Form 4 filing.
delayed filingThe filing was reported 344 calendar days after the transaction date.

CTMX price since this filing

Daily closing prices, with the filing date and available return windows
CTMX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -1.8%1w ago -1.8%1d ago +15.2%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001610717-26-000442
Common Stock
Transaction date
Nov 06, 2025
Filed Oct 16, 2026, 11:40 PM · 344d delay
Shares
101,793 sh
$1.59 per share
Estimated value
$161k
Computed from shares × price
Holdings after
1,191,477 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Amended Filing Delayed Filing Direct Ownership 10b5-1 Detected
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
  • amended_filing-6 points

    is_amendment = true

    Amended filing: the original transaction may have been restated.
  • delayed_filing-6 points

    reporting_delay_days = 344

    Filing delay exceeds the configured threshold.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    This Form 4/A restates in its entirety the original Form 4 filed on 11/10/2025 (the "Original Form 4") to report an inadvertently omitted exercise that was part of a same-day exercise-and-sale transac…

  2. F2

    The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan, adopted on August 27, 2024.

  3. F3

    This transaction was executed in multiple trades at prices ranging from $4.50 to $4.62, inclusive. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to…

  4. F4

    Includes 488,750 restricted stock units.

  5. F5

    Shares held by Sean A. McCarthy 2018 Trust, of which the Reporting Person is trustee.

  6. F6

    This option is fully vested and exercisable.

Amended filing · 0001610717-26-000442
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