NBIX · Neurocrine Biosciences Inc · Insider Trading

Includes an aggregate of 178 shares purchased on February 27, 2026 and August 31, 2026 from the Neurocrine Biosciences, Inc. 2018 Employee Stock Purchase Plan.

The option was granted February 6, 2017 and vested in 48 equal monthly installments beginning March 6, 2017. These options were due to expire on February 6, 2027.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on June 10, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

This transaction represents a gift/charitable contribution effective September 2, 2026. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

This transaction represents a gift/charitable contribution effective August 4, 2026. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

Option vested in 12 monthly installments beginning June 22, 2024.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted and effective on September 15, 2025. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $182.00 to $182.03. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Option granted February 1, 2021 and vested at 25% upon first anniversary (February 1, 2022) and remaining 75% vested in 36 equal monthly installments beginning on March 1, 2022.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $178.52 to $179.19. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on June 9, 2025. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $179.50 to $179.80. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted February 5, 2018 and vested in 48 equal monthly installments beginning March 5, 2018.

The option was granted February 13, 2023 and vests in 48 equal monthly installments beginning March 13, 2023.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $178.52 to $178.59. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted February 13, 2023 and vests in 48 equal monthly installments beginning March 13, 2023.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $178.52 to $178.75. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted February 13, 2023 and vests in 48 equal monthly installments beginning March 13, 2023.

The option was granted February 5, 2018 and vested in 48 equal monthly installments beginning March 5, 2018.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on June 9, 2025. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $169.57 to $170.56. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted February 5, 2018 and vested in 48 equal monthly installments beginning March 5, 2018.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on June 9, 2025. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $170.58 to $170.91. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on June 9, 2025. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $169.56 to $169.57. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted February 5, 2018 and vested in 48 equal monthly installments beginning March 5, 2018.

The option was granted May 22, 2017 and vested in 12 equal monthly installments beginning June 22, 2017.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $166.11 to $167.09. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $163.11 to $164.10. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $165.11 to $166.09. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $167.11 to $167.70. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted May 22, 2019 and vested in 12 equal monthly installments beginning June 22, 2019.

This transaction represents a gift/charitable contribution effective June 5, 2026. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $164.11 to $164.83. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted and effective on September 15, 2025. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $168.00 to $168.2550. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

This RSU was granted to the Reporting Person on June 2, 2025. In accordance with the terms of the RSU, the award vested as to 3,212 shares on June 2, 2026, and will vest as to 3,212 shares on June 2, 2027, 3,211 shares on June 2, 2028, and 3,211 shares on June 2, 2029, subject to the terms and conditions of the award.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $154.20 to $155.19. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The option was granted February 5, 2018 and vested in 48 equal monthly installments beginning March 5, 2018.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $157.26 to $158.25. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Includes an aggregate of 176 shares purchased on February 27, 2026 from the Neurocrine Biosciences, Inc. 2018 Employee Stock Purchase Plan.

The disposition reported in this Form 4 was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2026. Additionally, Issuer policy restricts the Reporting Person from amending or otherwise modifying any 10b5-1 trading plan subsequent to adoption of the plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $155.20 to $156.19. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.