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Insider

Martina Cheung

CEO & President

Martina Cheung (CEO & President) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in S&P Global Inc. (SPGI). Across 1 priced purchase filing, the average 21-session return was -3.1% from execution and -1.4% from disclosure (delay-adjusted; derived). The largest single filing was $998K of SPGI (2,322 sh × $429.93, as filed), executed Apr 29.

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Return, ttmiAverage return per filing, trailing twelve months
-3.1%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-1.4%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$998K
shares × price, as filed
Last traded
Apr 29
Filed May 1

Median ADV $973.9M across their filed names

Open performance
Volume by month
$998K$499K$0Oct 2024Apr 2025Oct 2025Apr 2026May 2026 · buys $998K
Buys $998K Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Financial Services 1 filing

Sector per market data · by filing · past 12 months

Most traded names
SPGI S&P Global Inc. SPGI · 1 buy · 0 sells 1 filing
Recent filings
SPGIPURCHASE S&P Global Inc. View filing → $998K
2,322 sh × $429.93
Exec Apr 29
Filed May 1 · 4:07 PM ET