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Leon O Moulder Jr bought $149k of ZBIO

Chief Executive Officer at Zenas BioPharma, Inc.. 10,000 shares at an average of $14.89, traded Nov 18, 2024, filed Nov 20, 2024.

Conviction score
39
Value
$149k
10,000 shares
Holdings after
171,155
+6% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $149k at market
    +11
  • Relative to holdings
    Holdings up 6%
    +3
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -19.6%, 3m -48.4%, 6m -12.1%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ZBIOOct 12, 2026 · close 26.40
Since filing Nov 20, 2024: +112.0%SPY +34.8% · excess +77.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001104659-24-121081, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 18, 2024POpen-market purchase
Common Stock
+7,500$15.00$113k168,655Nov 20, 2024
Nov 19, 2024POpen-market purchase
Common Stock
+2,500$14.57$36k171,155Nov 20, 2024

Related signals

Other insiders at Zenas BioPharma, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
78Notable
ZBIObuy
Zenas BioPharma, Inc.
Leon O Moulder Jr
Chief Executive Officer
$1.0M
60,000 shares
+162%
63Notable
ZBIObuy
Zenas BioPharma, Inc.
Leon O Moulder Jr
Chief Executive Officer
$1.1M
60,000 shares
+3%
46Moderate
ZBIObuy 3
Zenas BioPharma, Inc.
Hongbo Lu
director
$70k
3,768 shares
+1%
66Notable
ZBIObuy 3
Zenas BioPharma, Inc.
Fairmount Funds Management LLC
director
$3.0M
150,000 shares
+7%
74Notable
ZBIObuy 3
Zenas BioPharma, Inc.
Hongbo Lu
director
$1.5M
75,000 shares
+22%
78Notable
ZBIObuy 3
Zenas BioPharma, Inc.
Leon O Moulder Jr
Chief Executive Officer
$1.0M
54,000 shares
+3%
64Notable
ZBIObuy 3
Zenas BioPharma, Inc.
Patricia L Allen
director
$500k
19,860 shares
-
60Notable
ZBIObuy 3
Zenas BioPharma, Inc.
Hongbo Lu
director
$585k
25,985 shares
+8%
81Strong
ZBIObuy 3
Zenas BioPharma, Inc.
Leon O Moulder Jr
Chief Executive Officer
$1.0M
57,000 shares
+16%
64Notable
ZBIObuy
Zenas BioPharma, Inc.
Leon O Moulder Jr
Chief Executive Officer
$1.6M
100,000 shares
+38%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.