MCCARTHY SEAN A.

PrivateCIK: 1654058
Location

SOUTH SAN FRANCISCO, CA

MCCARTHY SEAN A. (President and CEO) sold 9.3% of their position (101.79K shares) of CYTOMX THERAPEUTICS, INC. on the open market

Open‑market sale worth $461.9K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderMCCARTHY SEAN A.CIK 1654058
IssuerCYTOMX THERAPEUTICS, INC.CIK 1501989
DirectorOfficer· President and CEO
Since Jul 2018
-101.79K
Net shares
Net seller
$461.9K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
101.79K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

101.79K

Price / share

$4.54

Trade value

$461.91K

% of position

9.3%
11/6/2025
1.09M987.89K
Total

Net shares

101.79K

Net value

-$461.91K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Class A Common Stock

Indirect
Shares owned93.16K
Total
93.16K indirect93.16K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
MCCARTHY SEAN A. — Insider Transaction (Form 4) Filed Nov 10, 2025 | Finecho