Patrick R. O'Neil sold $764K of Ionis Pharmaceuticals (IONS)

Executed Mar 9, disclosed Mar 11, 2 days later.

Value, as filed

$764K

10,148 sh × $75.25

Executed

Mar 9

the trade date, as filed

Disclosed

Mar 11

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 7 Form 4 reports in the trailing twelve months (0 purchases, 7 sales), most often in Ionis Pharmaceuticals, Inc. (IONS). The largest single filing was $4.4M of IONS (64,664 sh across 2 lots, as filed), executed Oct 2 2025.

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. $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 IONSSALE Ionis Pharmaceuticals, Inc. $1.3M
20,000 sh × $64.56
Exec Sep 9 2025
Filed Sep 11 2025 · 5:30 PM ET