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sellModerate cluster of 1010b5-1 plan

Brett P Monia sold $6.8M of IONS

Chief Executive Officer at IONIS PHARMACEUTICALS INC. 85,637 shares at an average of $79.70, traded Jun 24, 2026, filed Jun 26, 2026.

Warning score
40
Value
$6.8M
85,637 shares
Holdings after
245,571
-33% from before
From 52-week low
+94%
low $39.51, close $76.52
From 52-week high
-12%
high $86.50, as of Jun 24, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $6.8M at market
    +25
  • Share of holdings sold
    Sold 33% of holdings
    +10
  • Cluster
    10 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 12, 2026 · close 43.67
Since filing Jun 26, 2026: -46.2%SPY +7.0% · excess -53.2%

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 0000874015-26-000212, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 24, 2026MOption exercise
Common Stock10b5-1
+14,565$32.60$475k260,136Jun 26, 2026
Jun 24, 2026SOpen-market sale
Common Stock10b5-1
-14,565$78.41$1.1M245,571Jun 26, 2026
Jun 25, 2026MOption exercise
Common Stock10b5-1
+21,072$32.60$687k266,643Jun 26, 2026
Jun 25, 2026SOpen-market sale
Common Stock10b5-1
-21,072$78.49$1.7M245,571Jun 26, 2026
Jun 26, 2026MOption exercise
Common Stock10b5-1
+50,000$56.78$2.8M295,571Jun 26, 2026
Jun 26, 2026SOpen-market sale
Common Stock10b5-1
-50,000$80.59$4.0M245,571Jun 26, 2026
Jun 24, 2026MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-14,565$0.00$021,072Jun 26, 2026
Jun 25, 2026MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-21,072$0.00$00Jun 26, 2026
Jun 26, 2026MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-50,000$0.00$099,872Jun 26, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
58Moderate
IONSbuy
IONIS PHARMACEUTICALS INC
Michael R Hayden
director
$1.1M
20,000 shares
+500%
45Moderate
IONSsell 910b5-1
IONIS PHARMACEUTICALS INC
C Frank Bennett
EVP, Chief Scientific Officer
$1.7M
20,536 shares
-25%
38Weak
IONSsell 910b5-1
IONIS PHARMACEUTICALS INC
Allene M. Diaz
director
$864k
10,111 shares
-73%
15Weak
IONSsell 910b5-1
IONIS PHARMACEUTICALS INC
Holly B. Kordasiewicz
EVP, Chief Development Officer
$31k
362 shares
-2%
39Weak
IONSsell 910b5-1
IONIS PHARMACEUTICALS INC
Joseph Klein III
director
$910k
11,518 shares
-51%
32Weak
IONSsell 1010b5-1
IONIS PHARMACEUTICALS INC
Joseph Baroldi
EVP, Chief Business Officer
$452k
5,635 shares
-55%
30Weak
IONSsell 1010b5-1
IONIS PHARMACEUTICALS INC
Eugene Schneider
EVP, Chf Clinical Develop Ofcr
$2.1M
26,000 shares
-25%
23Weak
IONSsell 1010b5-1
IONIS PHARMACEUTICALS INC
Patrick R. O'Neil
EVP CLO & General Counsel
$246k
3,069 shares
-5%
43Moderate
IONSsell 1010b5-1
IONIS PHARMACEUTICALS INC
Eric Swayze
EVP Research
$839k
10,602 shares
-33%
14Weak
IONSsell 710b5-1
IONIS PHARMACEUTICALS INC
Spencer R Berthelsen
director
$588k
8,000 shares
-5%

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.

Brett P Monia sold $6.8M of IONS | InsiderTell