Birchler Brian bought IONS
October 15, 2025 · Form 4 insider transaction
Birchler Brian bought 12,425 shares of Ionis Pharmaceuticals, Inc. at $53.77 per share, a transaction worth $668.1K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
12,425
Price
$53.77
Total value
$668.1K
InsiderBirchler Brian
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 15, 2025
Filing dateOctober 16, 2025
Shares owned after69,251
OwnershipDirect
10b5-1 planNo
AmendedNo