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sellWeak10b5-1 plan

Rachid Izzar sold $300k of BIIB

Head of Global Product Strat. at BIOGEN INC.. 2,223 shares at an average of $135.00, traded Jul 8, 2025, filed Jul 16, 2025.

Warning score
19
Value
$300k
2,223 shares
Holdings after
6,330
-26% from before
From 52-week low
+19%
low $113.38, close $134.46
From 52-week high
-33%
high $201.44, as of Jul 8, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $300k at market
    +14
  • Share of holdings sold
    Sold 26% of holdings
    +10
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

This signal so far: 1m +7.9%, 3m +11.8%, 6m +31.8%.

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.

BIIBOct 9, 2026 · close 225.71
Since filing Jul 16, 2025: +75.7%SPY +26.3% · excess +49.4%

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 0001127602-25-019295, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 8, 2025SOpen-market sale
Common Stock10b5-1
-2,223$135.00$300k6,330Jul 16, 2025

Related signals

Other insiders at BIOGEN INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
BIIBsell10b5-1
BIOGEN INC.
Lloyd Minor
director
$240k
1,186 shares
-31%
10Weak
BIIBbuy
BIOGEN INC.
Nicole Murphy
Head of Pharm Ops and Tech
$585
3 shares
+0%
3Weak
BIIBsell10b5-1
BIOGEN INC.
Priya Singhal
Head of Development
$532k
2,660 shares
-25%
0Weak
BIIBsell10b5-1
BIOGEN INC.
Priya Singhal
Head of Development
$134k
748 shares
-11%
0Weak
BIIBsell10b5-1
BIOGEN INC.
Priya Singhal
Head of Development
$69k
517 shares
-8%
23Weak
BIIBsell10b5-1
BIOGEN INC.
Priya Singhal
Head of Development
$481k
3,806 shares
-41%
44Moderate
BIIBbuy
BIOGEN INC.
Caroline Dorsa
director
$152k
1,235 shares
+5%
30Weak
BIIBsell10b5-1
BIOGEN INC.
Stephen A Sherwin
director
$1.3M
8,760 shares
-44%
0Weak
BIIBsell10b5-1
BIOGEN INC.
Priya Singhal
Head of Development
$17k
110 shares
-2%
0Weak
BIIBsell10b5-1
BIOGEN INC.
Priya Singhal
Head of Development
$20k
93 shares
-2%

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.

Rachid Izzar sold $300k of BIIB | InsiderTell