Brian Birchler - Dec 28, 2023 Form 4 Insider Report for IONIS PHARMACEUTICALS INC (IONS)

Signature
By: Patrick R. O'Neil, attorney-in-fact For: Brian Birchler
Stock symbol
IONS
Transactions as of
Dec 28, 2023
Transactions value $
-$12,555
Form type
4
Date filed
1/2/2024, 05:54 PM
Previous filing
Apr 19, 2023
Next filing
Jan 4, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IONS Common Stock Options Exercise $544K +11.5K +31.48% $47.34 48K Dec 28, 2023 Direct
transaction IONS Common Stock Tax liability -$557K -11K -22.96% $50.50 37K Dec 28, 2023 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IONS Non-Qualified Stock Option (right to buy) Options Exercise $0 -11.5K -42.62% $0.00 15.5K Dec 28, 2023 Common Stock 11.5K $47.34 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents a "net exercise" of outstanding stock options. The reporting person received 471 shares of common stock on net exercise of option to purchase 11,500 shares of common stock. Pursuant to the terms of the Company's 2011 Equity Incentive Plan, the Company withheld 11,029 shares of common stock underlying the option for payment of the exercise price and tax withholdings using the closing stock price on December 28, 2023 of $50.50.