BERTHELSEN SPENCER R sold IONS
June 1, 2026 · Form 4 insider transaction
BERTHELSEN SPENCER R sold 8,000 shares of Ionis Pharmaceuticals, Inc. at $75.67 per share, a transaction worth $605.4K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
8,000
Price
$75.67
Total value
$605.4K
InsiderBERTHELSEN SPENCER R
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJune 1, 2026
Filing dateJune 3, 2026
Shares owned after156,013
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Shares sold pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on September 12, 2025.