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sellModerate

Braden Michael Leonard sold $2.4M of ADVM

owner at Adverum Biotechnologies, Inc.. 574,886 shares at an average of $4.19, traded Dec 1, 2025, filed Dec 3, 2025.

Warning score
42
Value
$2.4M
574,886 shares
Holdings after
2,428,640
-19% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    10% owner
    +12
  • Trade size
    $2.4M at market
    +25
  • Share of holdings sold
    Sold 19% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

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.

Rows in this filing

Every transaction in Form 4 0001373604-25-000118, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 1, 2025SOpen-market sale
Common Stockindirect: Holdings of BML Investment Partners, L.P
-300,000$4.20$1.3M2,757,526Dec 3, 2025
Dec 2, 2025SOpen-market sale
Common Stockindirect: Holdings of BML Investment Partners, L.P
-51,961$4.20$218k2,705,565Dec 3, 2025
Dec 3, 2025SOpen-market sale
Common Stockindirect: Holdings of BML Investment Partners, L.P
-222,925$4.17$930k2,428,640Dec 3, 2025

Related signals

Other insiders at Adverum Biotechnologies, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
62Notable
ADVMbuy 2
Adverum Biotechnologies, Inc.
Laurent Fischer
CEO, PRESIDENT AND DIRECTOR
$554k
128,699 shares
+177%
50Moderate
ADVMbuy 2
Adverum Biotechnologies, Inc.
Peter Soparkar
CHIEF OPERATING OFFICER
$211k
50,000 shares
+166%
42Moderate
ADVMsell
Adverum Biotechnologies, Inc.
Braden Michael Leonard
owner
$2.2M
524,560 shares
-21%
40Moderate
ADVMsell 3
Adverum Biotechnologies, Inc.
Laurent Fischer
CEO, PRESIDENT AND DIRECTOR
$18k
9,126 shares
-9%
30Weak
ADVMsell 3
Adverum Biotechnologies, Inc.
Setareh Seyedkazemi
CHIEF DEVELOPMENT OFFICER
$1,848
924 shares
-6%
35Weak
ADVMsell 3
Adverum Biotechnologies, Inc.
Peter Soparkar
CHIEF OPERATING OFFICER
$5,920
2,960 shares
-7%
30Weak
ADVMbuy
Adverum Biotechnologies, Inc.
Braden Michael Leonard
owner
$189k
37,000 shares
+35%
30Weak
ADVMbuy
Adverum Biotechnologies, Inc.
Braden Michael Leonard
owner
$189k
37,000 shares
+35%
40Moderate
ADVMbuy
Adverum Biotechnologies, Inc.
Braden Michael Leonard
owner
$1.0M
350,000 shares
+13%
23Weak
ADVMbuy
Adverum Biotechnologies, Inc.
Braden Michael Leonard
owner
$147k
34,775 shares
+1%

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.

Braden Michael Leonard sold $2.4M of ADVM | InsiderTell