Hayden Michael R bought IONS

July 30, 2026 · Form 4 insider transaction

Hayden Michael R bought 15,000 shares of Ionis Pharmaceuticals, Inc. at $53.38 per share, a transaction worth $800.7K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
15,000
Price
$53.38
Total value
$800.7K
RoleDirector
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateJuly 30, 2026
Filing dateJuly 31, 2026
Shares owned after19,000
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchase in multiple transactions at prices ranging from $53.00 to $53.58 inclusive. The reporting person undertakes to provide to Ionis Pharmaceuticals, Inc. any security holder of Ionis Pharmaceuticals, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) on this Form 4.; These securities are held by Genworks 2 Consulting, Inc. ("Genworks 2"). The Reporting Person's spouse has sole voting and investment power with respect to the shares held by Genworks 2.

View the original Form 4 on SEC EDGAR