Ionis (NASDAQ: IONS) holder files to sell 6,179 shares via Morgan Stanley

Rhea-AI Filing Summary

Ionis Pharmaceuticals has a Form 144 notice covering the planned sale of 6,179 shares of its common stock through Morgan Stanley Smith Barney on NASDAQ. The aggregate market value of these shares is $512,905.75.

The shares were acquired on 01/29/2026 as performance stock units (PSUs) granted under the company’s 2011 Equity Incentive Plan as compensation. Ionis had 161,137,930 common shares outstanding. During the prior three months, the same broker sold 23,463 and 9,884 Ionis shares, for gross proceeds of $1,856,324.51 and $744,660.56.

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	6179	512905.75	161137930	01/30/2026	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	01/29/2026	PSUs granted under 2011 Equity Incentive Plan	Ionis Pharmaceuticals			6179	01/29/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Morgan Stanley Smith Barney 1585 Broadway New York NY 10036	Common Stock	01/02/2026	23463	1856324.51
Morgan Stanley Smith Barney 1585 Broadway New York NY 10036	Common Stock	01/17/2026	9884	744660.56

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 Ionis Pharmaceuticals (IONS) Form 144 filing disclose?

The Form 144 reports a planned sale of 6,179 Ionis common shares. These shares, valued at $512,905.75, are to be sold on NASDAQ through Morgan Stanley Smith Barney, based on stock acquired as compensation under Ionis’ 2011 Equity Incentive Plan.

How many Ionis (IONS) shares are planned for sale and what is their value?

The notice covers 6,179 Ionis common shares with an aggregate market value of $512,905.75. This reflects the intended amount to be sold under Rule 144, using Morgan Stanley Smith Barney as broker on the NASDAQ exchange.

How were the Ionis (IONS) shares in this Form 144 acquired?

The shares were acquired on 01/29/2026 as PSUs granted under Ionis’ 2011 Equity Incentive Plan. They are categorized as compensation, meaning they stem from an equity award rather than an open-market cash purchase transaction.

What prior Ionis (IONS) stock sales are disclosed in the last three months?

The filing lists two recent sales through Morgan Stanley Smith Barney: 23,463 common shares on 01/02/2026 for $1,856,324.51 and 9,884 shares on 01/17/2026 for $744,660.56, showing prior Rule 144-related selling activity.

On which exchange will the Ionis (IONS) Form 144 shares be sold?

The shares covered by the Form 144 are intended for sale on NASDAQ. Morgan Stanley Smith Barney, located at 1585 Broadway, New York, NY 10036, is listed as the broker handling these Ionis common stock transactions.

How many Ionis (IONS) shares were outstanding when this Form 144 was filed?

The notice states that Ionis Pharmaceuticals had 161,137,930 common shares outstanding. This figure provides context for the 6,179 shares covered by the planned Rule 144 sale through Morgan Stanley Smith Barney on NASDAQ.