NBIX insider files Form 144 to sell 3,888 shares

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 disclosing the proposed sale of 3,888 shares of Common Stock, with an indicated value of $609,249.60.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 disclosing the proposed sale of 3,888 shares of Common Stock, with an indicated value of $609,249.60. The filing lists 01/31/2026 as the award date for the securities (Restricted Stock Awards / Performance Stock Units) and 05/26/2026 as the filing date. The securities are listed on NASDAQ.

Insights

Securities Lawyer

Form 144 notifies the SEC of an intended resale under Rule 144; it is a procedural disclosure.

Form 144 is a notice that a holder intends to sell restricted or control securities in reliance on Rule 144. The filing here shows 3,888 shares tied to Restricted Stock Awards / Performance Stock Units with an indicated dollar amount of $609,249.60.

Timing and method of sale are not detailed in the excerpt; sale execution, volume limitations, and any holding-period qualifications will determine whether and when transactions occur. Subsequent broker reports or Form 4/Form 5 filings would show completed trades.

Key Figures

Shares to be sold: 3,888 shares Indicated value: $609,249.60 Award date: 01/31/2026 +1 more

4 metrics

Shares to be sold 3,888 shares listed beside the security and broker information

Indicated value $609,249.60 value shown in same row as the shares and filing data

Award date 01/31/2026 listed as the date for Restricted Stock Awards / Performance Stock Units

Form 144 filing date 05/26/2026 date shown alongside CUSIP and market (NASDAQ)

Key Terms

Restricted Stock Awards, Performance Stock Units, Form 144

3 terms

Restricted Stock Awards financial

"Restricted Stock Awards / Performance Stock Units"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

Performance Stock Units financial

"Restricted Stock Awards / Performance Stock Units"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

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

What does the NBIX Form 144 filing disclose?

The filing notifies a proposed resale of 3,888 shares of Common Stock with an indicated value of $609,249.60, tied to awards dated 01/31/2026 and filed on 05/26/2026.

Does the Form 144 confirm the shares were sold for NBIX?

No. The Form 144 is a notice of intent to sell; it does not confirm completed sales. Execution details or completed transactions would appear in subsequent filings such as Form 4 or broker reports.

What securities are referenced in the NBIX Form 144?

The filing references Common Stock issued as Restricted Stock Awards and Performance Stock Units dated 01/31/2026, and lists the market as NASDAQ.

Who is listed as the holder or broker in the filing?

The excerpt lists Morgan Stanley Smith Barney LLC Executive Financial Services as the broker/holder reference; the filing names that entity alongside the security and numeric details.

What dates are shown on the NBIX Form 144 filing?

The award date for the securities is 01/31/2026 and the Form 144 filing date shown is 05/26/2026.

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

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Accepted by SEC EDGAR 05/26/2026 - 04:45 PM EDT Learn about SEC filing dates

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	0001909817
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	NEUROCRINE BIOSCIENCES INC
SEC File Number	000-22705
Address of Issuer	6027 Edgewood Bend Court San Diego CALIFORNIA 92130
Phone	8586177600
Name of Person for Whose Account the Securities are To Be Sold	DAVID WARREN BOYER
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	Officer

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	3888	609249.60	100549983	05/26/2026	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	01/31/2026	Restricted Stock Awards / Performance Stock Units	Issuer			3888	01/31/2026	N/A

* 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	The securities to be sold were acquired upon the vesting of restricted stock units and performance stock units during the period of 1/31/2026 through 2/13/2026.
Date of Notice	05/26/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/23/2026
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/ David Warren Boyer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)