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Insider

Michael R Hayden

Director

Michael R Hayden (Director) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in Ionis Pharmaceuticals, Inc. (IONS). Across 2 priced purchase filings, the average 21-session return was +14.6% from execution and +8.8% from disclosure (delay-adjusted; derived). The largest single filing was $1.1M of IONS (20,000 sh across 2 lots, as filed), executed Jul 30.

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Return, ttmiAverage return per filing, trailing twelve months
+14.6%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+8.8%
same 2 filings, from disclosure
Filings, ttm
2
2 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.5M
shares × price, as filed
Last traded
Aug 12
Filed Aug 14

Median ADV $142.4M across their filed names

Open performance
Volume by month
$1.1M$529K$0Oct 2024Apr 2025Oct 2025Apr 2026May 2025 · buys $478KJul 2026 · buys $1.1MAug 2026 · buys $481K
Buys $2.0M Sells $0

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

Sectors filed on
Healthcare 2 filings

Sector per market data · by filing · past 12 months

Most traded names
IONS Ionis Pharmaceuticals, Inc. IONS · 2 buys · 0 sells 2 filings ABCL AbCellera Biologics Inc. ABCL · 1 buy · 0 sells 1 filing
Recent filings
ABCLPURCHASE AbCellera Biologics Inc. View filing → $481K
46,387 sh × $10.37
Exec Aug 12
Filed Aug 14 · 11:50 AM ET
IONSPURCHASE Ionis Pharmaceuticals, Inc. View filing → $1.1M
20,000 sh across 2 lots
Exec Jul 30
Filed Jul 31 · 4:42 PM ET
IONSPURCHASE Ionis Pharmaceuticals, Inc. View filing → $478K
15,000 sh × $31.86
Exec May 1 2025
Filed May 2 2025 · 5:30 PM ET