IONS Form 144: Proposed Common Stock Resale Filed

IONS submitted a Form 144 notice reporting proposed sales of Common Stock.

Accepted by SEC EDGAR 03/03/2026 - 05:35 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

IONS submitted a Form 144 notice reporting proposed sales of Common Stock. The excerpt lists numeric entries 5,035,928.00 and 161,970,000 with an explicit date of 03/03/2026 and identifies the market as Nasdaq. The filing itemizes common stock tied to an Option Exercise (07/01/2018) and Restricted Stock Units (07/15/2021).

Insights

Securities Compliance Analyst

Form 144 lists proposed resale of common stock with dated entries and issuer-related award sources.

The excerpt shows numeric lines including 5,035,928.00 and 161,970,000 alongside the date 03/03/2026 and market Nasdaq. It also records source labels: Option Exercise (07/01/2018) and Restricted Stock Units (07/15/2021).

These items are procedural disclosures of intended sales under Rule 144; exact sale amounts, selling holder identities, and proceeds treatment are not detailed in the excerpt. Subsequent filings or the full Form 144 text would list the selling holder, exact number to be sold, and the broker handling the transaction.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does IONS's Form 144 filing mean?

A Form 144 notifies the SEC of an intended sale of restricted or control securities. The excerpt lists common stock tied to an Option Exercise (07/01/2018) and RSUs (07/15/2021), with date 03/03/2026 and market Nasdaq.

How many shares are shown in the IONS excerpt?

The excerpt includes numeric entries of 5,035,928.00 and 161,970,000. These numbers appear on the form with the date 03/03/2026 but the filing text does not label which is the exact amount being offered for resale.

Who is the broker listed on the Form 144 for IONS?

The excerpt names Stifel Nicolaus & Company Inc with an address in St. Louis, MO. This appears to be the broker-dealer listed on the filing lines, but the excerpt does not state the broker's role beyond that listing.

Does this Form 144 show when the shares were acquired?

Yes; the excerpt shows acquisition dates tied to award sources: an Option Exercise on 07/01/2018 and Restricted Stock Units on 07/15/2021. Those dates are listed on the securities lines.

Will the company receive proceeds from these sales?

The excerpt does not state who receives proceeds. Form 144s commonly report proposed resale by affiliates; the provided lines do not disclose proceeds treatment or whether the issuer will receive payment.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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	0001206369
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	IONIS PHARMACEUTICALS INC
SEC File Number	000-19125
Address of Issuer	2855 GAZELLE COURT CARLSBAD CALIFORNIA 92010
Phone	7609319200
Name of Person for Whose Account the Securities are To Be Sold	KLEIN JOSEPH III
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	Director

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	Stifel Nicolaus & Company Inc 501 N Broadway St. Louis MO 63102	65345	5035928.00	161970000	03/03/2026	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	07/01/2018	Option Exercise	Issuer			60103	03/03/2026	Cash
Common Stock	07/15/2021	Restricted Stock Units	Issuer			5332	07/15/2021	Equity 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	03/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/25/2025
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	/s/ Luca Lotito, as a duly authorized representative of STIFEL, as attorney-in-fact for Joseph Klein
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)