SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
(Amendment No.__)
| Filed by the Registrant | ☒ |
| Filed by a party other than the Registrant | ☐ |
Check the appropriate box:
| ☐ | Preliminary Proxy Statement |
| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive Proxy Statement |
| ☒ | Definitive Additional Materials |
| ☐ | Soliciting Material under § 240.14a-12 |
Ionis Pharmaceuticals, Inc.
(Name of Registrant as Specified In Its Charter)
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |
Payment of Filing Fee (Check all boxes that apply):
| ☒ | No fee required |
| ☐ | Fee paid previously with preliminary materials |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |
