InsiderTrades

BELVIN MARCIA

SEC CIK 1970752 · EDGAR

Buying vs selling by month open-market trades, last 37 months, CTMX
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CTMXCytomX Therapeutics, Inc.SVP, CSO 300.8K — $294.1K 162023-03-222026-03-17

Most active insiders at CTMX, 12 months

#InsiderTitleBoughtSold
1 McCarthy Sean A.CEO, Dir —$1.23M
2 BELVIN MARCIASVP, CSO —$202.2K
3 Chu Yu-WayeChief Medical Off —$136.6K
4 Ogden ChristopherCFO —$129.0K
5 Lester RachaelChief Business Off ——
6 Carvajal AlejandraCLO ——

Transactions 16

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-03-19 2026-03-17 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale $6.42 -31.5K 300.8K -9% -$202.2K
D 2026-02-04 2026-02-02 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO A - Grant $0.00 +60.0K 332.3K +22% $0
D 2025-06-17 2025-06-13 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO M - OptEx $0.00 +37.5K 286.1K +15% $0
D 2025-06-17 2025-06-16 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale+OE $2.69 -13.9K 272.3K -5% -$37.3K
2025-03-20 2025-03-18 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale $0.6 -19.5K 248.6K -7% -$11.7K
DMA 2025-02-10 2025-02-04 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO A - Grant $0.00 +92.5K 210.6K +78% $0
DM 2025-02-06 2025-02-04 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO A - Grant $0.00 +87.5K 263.1K +50% $0
D 2024-08-22 2024-08-20 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO M - OptEx $0.00 +11.2K 179.8K +7% $0
D 2024-08-22 2024-08-20 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale+OE $1.23 -4,181 175.6K -2% -$5,143
2024-03-21 2024-03-19 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale $2.09 -12.8K 168.6K -7% -$26.7K
D 2024-01-19 2024-01-18 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO A - Grant $0.00 +26.2K 181.4K +17% $0
2023-12-22 2023-12-20 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale $1.38 -4,077 155.1K -3% -$5,626
D 2023-12-19 2023-12-17 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO M - OptEx $0.00 +11.2K 159.2K +8% $0
2023-09-22 2023-09-22 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO S - Sale $1.30 -4,119 148.0K -3% -$5,355
2023-09-22 2023-09-20 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO A - Grant $0.00 +11.2K 152.1K +8% $0
2023-03-29 2023-03-22 CTMX CytomX Therapeutics, Inc. BELVIN MARCIA SVP, CSO A - Grant $0.00 +60.0K 140.8K +74% $0

Purchase Sale Sale after option exercise All abbreviations