BELVIN MARCIA

PrivateCIK: 1970752
Location

SOUTH SAN FRANCISCO, CA

BELVIN MARCIA (SVP, Chief Scientific Officer) sold 9.5% of their position (31.49K shares) of CYTOMX THERAPEUTICS, INC. on the open market

Open‑market sale worth $202.3K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBELVIN MARCIACIK 1970752
IssuerCYTOMX THERAPEUTICS, INC.CIK 1501989
Officer· SVP, Chief Scientific Officer
Since Feb 2026
-31.49K
Net shares
Net seller
$202.3K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
31.49K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

31.49K

Price / share

$6.42

Trade value

$202.27K

% of position

9.5%
3/17/2026
332.25K300.76K
Total

Net shares

31.49K

Net value

-$202.27K

Derivative Transactions0
No derivative transactions reported