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Leon O Moulder Jr

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Leon O Moulder Jr (See Remarks) filed 6 Form 4 reports in the trailing twelve months (6 purchases, 0 sales), most often in Zenas BioPharma, Inc. (ZBIO). Across 6 priced purchase filings, the average 21-session return was +16.6% from execution and +16.3% from disclosure (delay-adjusted; derived). The largest single filing was $1.6M of ZBIO (100,000 sh across 3 lots, as filed), executed Jan 7.

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Return, ttmiAverage return per filing, trailing twelve months
+16.6%
avg across 6 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+16.3%
same 6 filings, from disclosure
Filings, ttm
6
6 buys · 0 sells
Median delay
1d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$6.5M
shares × price, as filed
Last traded
May 18
Filed May 18
Impact on $10,000 · 12M
$18,768 (+87.7%)
S&P 500 $11,725 (+17.2%) · 70.4 pts ahead
$23.0k$16.1k$9.1kSep 22 2025Mar 23Sep 21
Leon O Moulder Jr S&P 500

Compounded across filings from disclosure dates · past 12 months

Open performance
Volume by month
$1.6M$820K$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · buys $112KDec 2024 · buys $718KFeb 2025 · buys $167KOct 2025 · buys $770KJan 2026 · buys $1.6MFeb 2026 · buys $1.0MMar 2026 · buys $1.0MApr 2026 · buys $1.1MMay 2026 · buys $1.0M
Buys $7.5M Sells $0

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

Sectors filed on
Healthcare 6 filings

Sector per market data · by filing · past 12 months

Most traded names
ZBIO Zenas BioPharma, Inc. ZBIO · 9 buys · 0 sells 9 filings
Recent filings
ZBIOPURCHASE Zenas BioPharma, Inc. View filing → $112K
7,500 sh × $15.00
Exec Nov 18 2024
Filed Nov 20 2024 · 5:30 PM ET
ZBIOPURCHASE Zenas BioPharma, Inc. View filing → $179K
10,000 sh × $17.91
Exec Sep 18 2024
Filed Sep 20 2024 · 5:30 PM ET