InsiderTrades

Form 4 for IONS IONIS PHARMACEUTICALS INC

Accepted 2026-07-31 16:42:12 ET · period of report 2026-07-30 · accession 0000874015-26-000254 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MI 2026-07-31 16:42 2026-07-30+ IONS Hayden Michael R Dir P - Purchase $52.94 +20.0K 24.0K +500% +$1.06M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-07-30 P A 15,000 $53.38 19,000 I by Spouse — — (F1) 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. (F2) 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.
2 Common Common Stock 2026-07-31 P A 5,000 $51.60 24,000 I by Spouse — — (F3) The price reported in Column 4 is a weighted average price. These shares were purchase in multiple transactions at prices ranging from $51.45 to $51.70 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 (3) on this Form 4. (F2) 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.