BB
Brian Birchler (EVP, Corp and Development Ops) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Ionis Pharmaceuticals, Inc. (IONS). The largest single filing was $637K of IONS (8,480 sh × $75.11, as filed), executed Jan 16. Data as of Nov 8 2026.
Add to watchlistReturn, 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
2
0 buys · 2 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.1M
shares × price, as filed
Last traded
Jan 30
Filed Feb 2
Median ADV $142.4M across their filed names
Open performance→Volume by month
Buys $0
Sells $3.7M
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 · 0 buys · 5 sells
5 filings
Recent filings
IONSSALE
Ionis Pharmaceuticals, Inc.
View filing →
$513K6,179 sh × $83.03
Exec Jan 30
Filed Feb 2 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. View filing → $637K
8,480 sh × $75.11
Exec Jan 16
Filed Jan 20 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. View filing → $609K
8,000 sh × $76.17
Exec Nov 6 2025
Filed Nov 7 2025 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. View filing → $1.7M
23,900 sh across 2 lots
Exec Oct 14 2025
Filed Oct 16 2025 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. View filing → $177K
5,400 sh × $32.70
Exec Jan 16 2025
Filed Jan 17 2025 · 5:30 PM ET