YANG MICHAEL J. 4
4 · IONIS PHARMACEUTICALS INC · Filed Jan 20, 2026
Insider Transaction Report
Form 4
YANG MICHAEL J.
Director
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-01-15+1,930→ 7,940 total - Exercise/Conversion
Restricted Stock Unit
[F2][F3]2026-01-15−1,930→ 7,150 totalExercise: $0.00From: 2026-01-15→ Common Stock (1,930 underlying)
Footnotes (3)
- [F1]Acquired pursuant to vesting and release of shares in accordance with a Restricted Stock Unit award.
- [F2]Each Restricted Stock Unit represents a contingent right to receive one share of Ionis common stock, or its equivalent cash value.
- [F3]Restricted Stock Units vest in three equal annual installments. Upon vesting, the restricted stock units will be paid out in whole shares of Ionis common stock or cash as may be determined by the Company.
Signature
By: Patrick R. O'Neil, attorney-in-fact For: Michael J. Yang|2026-01-20