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sellWeak cluster of 1310b5-1 plan

Allene M. Diaz sold $61k of IONS

director at IONIS PHARMACEUTICALS INC. 1,427 shares at an average of $42.53, traded Aug 22, 2025, filed Aug 26, 2025.

Warning score
17
Value
$61k
1,427 shares
Holdings after
18,368
-7% from before
From 52-week low
+67%
low $25.51, close $42.69
From 52-week high
-2%
high $43.78, as of Aug 22, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $61k at market
    +7
  • Share of holdings sold
    Sold 7.2% of holdings
    0
  • Cluster
    13 insiders selling within 14 days
    +15
  • 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.

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.

IONSOct 9, 2026 · close 45.28
Since filing Aug 26, 2025: +7.4%SPY +22.3% · excess -14.9%

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 0000874015-25-000180, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 22, 2025SOpen-market sale
Common Stock10b5-1
-1,427$42.53$61k18,368Aug 26, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
33Weak
IONSsell 210b5-1
IONIS PHARMACEUTICALS INC
C Frank Bennett
EVP, Chief Scientific Officer
$6.7M
85,089 shares
-51%
11Weak
IONSsell 210b5-1
IONIS PHARMACEUTICALS INC
Joseph Baroldi
EVP, Chief Business Officer
$531k
6,659 shares
-15%
40Moderate
IONSsell 310b5-1
IONIS PHARMACEUTICALS INC
C Frank Bennett
EVP, Chief Scientific Officer
$7.1M
85,089 shares
-85%
48Moderate
IONSsell 3
IONIS PHARMACEUTICALS INC
C Frank Bennett
EVP, Chief Scientific Officer
$488k
5,885 shares
-6%
52Moderate
IONSsell 3
IONIS PHARMACEUTICALS INC
Joseph Baroldi
EVP, Chief Business Officer
$439k
5,296 shares
-10%
48Moderate
IONSsell 3
IONIS PHARMACEUTICALS INC
Brian Birchler
EVP, Corp and Development Ops
$513k
6,179 shares
-9%
35Weak
IONSsell 3
IONIS PHARMACEUTICALS INC
C Frank Bennett
EVP, Chief Scientific Officer
$675k
8,977 shares
-9%
40Moderate
IONSsell 3
IONIS PHARMACEUTICALS INC
Joseph Baroldi
EVP, Chief Business Officer
$610k
8,056 shares
-17%
40Moderate
IONSsell 3
IONIS PHARMACEUTICALS INC
Brian Birchler
EVP, Corp and Development Ops
$637k
8,480 shares
-12%
45Moderate
IONSsell 410b5-1
IONIS PHARMACEUTICALS INC
Joseph H Wender
director
$2.3M
28,000 shares
-44%

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.

Allene M. Diaz sold $61k of IONS | InsiderTell