MCCARTHY SEAN A.

PrivateCIK: 1654058
Location

SOUTH SAN FRANCISCO, CA

MCCARTHY SEAN A. (President and CEO) sold 4.8% of their position (55.51K shares) of CYTOMX THERAPEUTICS, INC. on the open market

Open‑market sale worth $149.3K — a minor trim. 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
-55.51K
Net shares
Net seller
$149.3K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
150K acquired · 205.51K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+150K

Price / share

Trade value

% of position

15.1%
6/13/2025
995.20K1.15M

Common Stock

Direct
S · Sale

Shares

55.51K

Price / share

$2.69

Trade value

$149.26K

% of position

4.8%
6/16/2025
1.15M1.09M
Total

Net shares

+94.49K

Net value

-$149.26K

Derivative Transactions1

Performance Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

150K shares

Shares

150K

Strike price

Held after

0.00

Exercisable

6/13/2025
Non-Derivative Holdings (Post-Transaction)1

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 Jun 17, 2025 | Finecho