[Form 4] NEUROCRINE BIOSCIENCES INC Insider Trading Activity

Rhea-AI Filing Summary

Neurocrine Biosciences (NBIX) CEO and director reported Form 4 activity. On 11/01/2025, 613 shares of common stock were acquired at $0 upon RSU vesting.

On 11/04/2025, 300 shares were sold at $141.97. The filing states these mandatory sales were made to cover withholding taxes and are intended to meet Rule 10b5-1(c). After these transactions, directly held shares were 140,407, and derivative holdings (RSUs) were 1,842. Beneficial ownership includes 200 shares purchased on 02/28/2025 under the company’s ESPP.

Insider Trade Summary

Net Seller: 300 shares ($42,591)

Net Sell 3 txns

Insider Gano Kyle

Role Chief Executive Officer

Sold 300 shs ($43K)

Type	Security	Shares	Price	Value
Sale	Common Stock	300	$141.97	$43K
Exercise	Restricted Stock Unit	613	$0.00	--
Exercise	Common Stock	613	$0.00	--

Holdings After Transaction: Common Stock — 140,407 shares (Direct); Restricted Stock Unit — 1,842 shares (Direct)

Footnotes (1)

1. Includes an aggregate of 200 shares purchased on February 28, 2025 from the Neurocrine Biosciences, Inc. 2018 Employee Stock Purchase Plan. The mandatory sales reported in this Form 4 were made to cover withholding taxes and tax related items imposed by the Issuer in connection with the vesting of restricted stock units, and it is intended to comply with the requirements of Rule 10b5-1(c)(1)(i)(B) under the Exchange Act and be interpreted to meet the requirements of Rule 10b5-1(c). Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer Common Stock. This RSU was granted to the Reporting Person on November 1, 2024. In accordance with the terms of the RSU, the award vested as to 613 shares on November 1, 2025, and will vest as to 614 shares on November 1, 2026, 614 shares on November 1, 2027, and 614 shares on November 1, 2028, subject to the terms and conditions of the award.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gano Kyle

(Last) (First) (Middle)

6027 EDGEWOOD BEND CT.

(Street)

SAN DIEGO CA 92130

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NEUROCRINE BIOSCIENCES INC [ NBIX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/01/2025		M		613	A	$0	140,720(1)	D
Common Stock	11/04/2025		S(2)		300	D	$141.97	140,407	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(3)	11/01/2025		M			613	(4)	(4)	Common Stock	613	$0	1,842	D

Explanation of Responses:

1. Includes an aggregate of 200 shares purchased on February 28, 2025 from the Neurocrine Biosciences, Inc. 2018 Employee Stock Purchase Plan.

2. The mandatory sales reported in this Form 4 were made to cover withholding taxes and tax related items imposed by the Issuer in connection with the vesting of restricted stock units, and it is intended to comply with the requirements of Rule 10b5-1(c)(1)(i)(B) under the Exchange Act and be interpreted to meet the requirements of Rule 10b5-1(c).

3. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer Common Stock.

4. This RSU was granted to the Reporting Person on November 1, 2024. In accordance with the terms of the RSU, the award vested as to 613 shares on November 1, 2025, and will vest as to 614 shares on November 1, 2026, 614 shares on November 1, 2027, and 614 shares on November 1, 2028, subject to the terms and conditions of the award.

Remarks:

	/s/ Darin Lippoldt, Attorney-in-Fact	11/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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