Patrick R. O'Neil sold $5.4M of Ionis Pharmaceuticals (IONS)

Executed Sep 2 2025, disclosed Sep 4 2025, 2 days later.

Value, as filed

$5.4M

89,900 sh across 3 lots

Executed

Sep 2 2025

the trade date, as filed

Disclosed

Sep 4 2025

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

PN Patrick R. O'Neil EVP CLO & General Counsel profile →

Patrick R. O'Neil (EVP CLO & General Counsel) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in Ionis Pharmaceuticals, Inc. (IONS). The largest single filing was $764K of IONS (10,148 sh × $75.25, as filed), executed Mar 9.

The name

IONS Ionis Pharmaceuticals, Inc. IONS · Healthcare · 119 filings in 24 months ticker →

Healthcare · Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Patrick R. O'Neil in IONS

IONSSALE Ionis Pharmaceuticals, Inc. $246K
3,069 sh × $80.00
Exec Jun 26
Filed Jun 30 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $764K
10,148 sh × $75.25
Exec Mar 9
Filed Mar 11 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $516K
6,179 sh × $83.53
Exec Jan 30
Filed Feb 2 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $697K
9,191 sh × $75.84
Exec Jan 16
Filed Jan 20 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $937K
13,441 sh across 2 lots
Exec Oct 6 2025
Filed Oct 8 2025 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $4.4M
64,664 sh across 2 lots
Exec Oct 2 2025
Filed Oct 2 2025 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $1.6M
25,300 sh across 2 lots
Exec Sep 29 2025
Filed Oct 1 2025 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $110K
1,700 sh × $64.58
Exec Sep 12 2025
Filed Sep 16 2025 · 5:30 PM ET