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Patrick R. O'Neil

EVP CLO & General Counsel · Ionis Pharmaceuticals

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. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.2M
shares × price, as filed
Last traded
Jun 26
Filed Jun 30

Median ADV $142.4M across their filed names

Open performance→
Volume by month
$6.9M$3.5M$0Dec 2024Jun 2025Dec 2025Jun 2026Jan 2025 · sells $242KFeb 2025 · sells $195KSep 2025 · sells $6.8MOct 2025 · sells $6.9MJan 2026 · sells $697KFeb 2026 · sells $516KMar 2026 · sells $764KJun 2026 · sells $246K
Buys $0 Sells $16.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 4 filings

Sector per market data · by filing · past 12 months

Most traded names
IONS Ionis Pharmaceuticals, Inc. IONS · 0 buys · 12 sells 12 filings
Recent filings
IONSSALE Ionis Pharmaceuticals, Inc. View filing → $1.3M
20,000 sh × $64.56
Exec Sep 9 2025
Filed Sep 11 2025 · 5:30 PM ET
IONSSALE Ionis Pharmaceuticals, Inc. View filing → $5.4M
89,900 sh across 3 lots
Exec Sep 2 2025
Filed Sep 4 2025 · 5:30 PM ET
IONSSALE Ionis Pharmaceuticals, Inc. View filing → $195K
6,165 sh × $31.62
Exec Feb 4 2025
Filed Feb 6 2025 · 5:30 PM ET
IONSSALE Ionis Pharmaceuticals, Inc. View filing → $242K
7,360 sh × $32.83
Exec Jan 16 2025
Filed Jan 17 2025 · 5:30 PM ET