MarketPeel
Insider Trading Intelligence
Pricing
…
Spencer R. Berthelsen
Mon, Jun 15, 2026
20d ago
sold
$587.92k
of
IONS
8,000
shares @ $73.49
Decreased holdings by
-4.90%
4th largest trade (out of 47)
Cluster Buy
Trade made by a director
Part of a cluster of 5 transactions by 2 insiders
10b5-1 scheduled trade
IONS
IONIS PHARMACEUTICALS INC
Health Care
Pharmaceuticals
1D
0.00%
1W
+0.76%
1M
+9.83%
3M
+10.05%
6M
—
1Y
—
Recent insider activity at IONS
Jun 26
Brett P. Monia
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$4.03m
Jun 26
Joseph Baroldi
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$451.70k
Jun 26
Eugene Schneider
Sold
$2.11m
Jun 26
Patrick R. O'neil
Sold
$245.52k
Jun 25
Eric Swayze
Sold
$839.49k
Jun 25
Brett P. Monia
Sold
$1.65m
Jun 24
Brett P. Monia
Sold
$1.14m
Jun 12
Holly B. Kordasiewicz
Sold
$1.47m
Full IONS profile →
Spencer R. Berthelsen’s trading history →
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