Ionis Pharmaceuticals (NASDAQ: IONS) insider plans 9,302-share sale

Rhea-AI Filing Summary

A holder of Ionis Pharmaceuticals common stock filed a notice of proposed sale under Rule 144 for 9,302 shares of common stock. The shares are to be sold through Morgan Stanley Smith Barney on the NASDAQ, with an approximate sale date of 01/16/2026 and an aggregate market value of 709071.67.

The securities were acquired on 01/15/2026 as RSUs granted under the 2011 Equity Incentive Plan, treated as compensation, in the same amount of 9,302 shares. The filing notes that 161,137,930 shares of the issuer’s common stock were outstanding, providing context for the planned sale.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Morgan Stanley Smith Barney 1585 Broadway New York NY 10036	9302	709071.67	161137930	01/16/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	01/15/2026	RSUs granted under 2011 Equity Incentive Plan	Ionis Pharmaceuticals			9302	01/15/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for Ionis Pharmaceuticals (IONS) disclose?

The filing discloses a planned Rule 144 sale of 9,302 shares of Ionis Pharmaceuticals common stock, to be executed through a broker on the NASDAQ exchange.

How many Ionis Pharmaceuticals shares are planned to be sold and on which exchange?

The notice covers 9,302 common shares of Ionis Pharmaceuticals, with the planned sale to occur on the NASDAQ exchange.

What is the aggregate market value of the Ionis (IONS) shares in this Form 144?

The Form 144 lists an aggregate market value of 709071.67 for the 9,302 common shares to be sold.

How and when were the Ionis Pharmaceuticals shares in this Form 144 acquired?

The shares were acquired on 01/15/2026 as RSUs granted under the 2011 Equity Incentive Plan, described as Compensation, in the amount of 9,302 shares.

Which broker is handling the planned Rule 144 sale for Ionis (IONS) shares?

The planned sale will be handled by Morgan Stanley Smith Barney, located at 1585 Broadway, New York, NY 10036.

How many Ionis Pharmaceuticals common shares were outstanding according to the Form 144?

The Form 144 states that 161,137,930 common shares of Ionis Pharmaceuticals were outstanding, providing a baseline for the size of the planned sale.