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Nasdaq · USD

ACAD

ACADIA PHARMACEUTICALS INC

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Tapewire entity
3913
SEC CIK
0001070494
Parsed reports
339

Last 12 months

Inside the activity.

0 purchase rows · 24 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202503
Dec 202500
Jan 202600
Feb 202601
Mar 202609
Apr 202602
May 202603
Jun 202601
Jul 202602
Aug 202603
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 06, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionStock Option (Right to Buy) · Derivative 14,292 $0.00 Strike: $17.84 $0.00
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · derivative · entry 7

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,423

Underlying: Common Stock · 14,292 shares

Expires 2034-03-24

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: 25% of the shares subject to the Stock Option vested and became exercisable on March 25, 2025. The remaining shares vest and become exercisable in 36 equal monthly installments thereafter.

Read SEC document
August 06, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
SaleCommon Stock 9,292 $29.34 $272,604.05
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · nonDerivative · entry 5

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,828

F2 · kind: Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 19, 2025.

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August 06, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
SaleCommon Stock 5,000 $29.00 $145,000.00
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · nonDerivative · entry 4

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,120

F2 · kind: Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 19, 2025.

Read SEC document
August 06, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionCommon Stock 14,292 $17.84 $254,969.28
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · nonDerivative · entry 3

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 82,120

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 05, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionStock Option (Right to Buy) · Derivative 5,849 $0.00 Strike: $17.84 $0.00
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · derivative · entry 6

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,715

Underlying: Common Stock · 5,849 shares

Expires 2034-03-24

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: 25% of the shares subject to the Stock Option vested and became exercisable on March 25, 2025. The remaining shares vest and become exercisable in 36 equal monthly installments thereafter.

Read SEC document
August 05, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
SaleCommon Stock 5,849 $29.00 $169,637.96
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · nonDerivative · entry 2

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,828

F2 · kind: Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 19, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.00 to $29.02, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
August 05, 2026 Filed Aug 7, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionCommon Stock 5,849 $17.84 $104,346.16
Disclosure

SEC source: 0001899977-26-000008 · form4-08072026_060801.xml · nonDerivative · entry 1

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,677

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 1,683 shares of the Issuer's common stock acquired by the reporting person on May 15, 2026 pursuant to an employee stock purchase plan.

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July 30, 2026 Filed Jul 31, 2026 22:00 UTC
Thompson Elizabeth H.Z.EVP, Head of Research & Dev
SaleCommon Stock 50 $26.17 $1,308.50
Disclosure

SEC source: 0001861477-26-000005 · form4-07312026_060701.xml · nonDerivative · entry 3

Thompson Elizabeth H.Z. · CIK 0001861477 · EVP, Head of Research & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,994

F2 · kind: 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).

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July 30, 2026 Filed Jul 31, 2026 22:00 UTC
Thompson Elizabeth H.Z.EVP, Head of Research & Dev
SaleCommon Stock 16,508 $26.13 $431,354.04
Disclosure

SEC source: 0001861477-26-000005 · form4-07312026_060701.xml · nonDerivative · entry 2

Thompson Elizabeth H.Z. · CIK 0001861477 · EVP, Head of Research & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,044

F2 · kind: 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).

Read SEC document
July 29, 2026 Filed Jul 31, 2026 22:00 UTC
Thompson Elizabeth H.Z.EVP, Head of Research & Dev
Exercise / conversionRestricted Stock Units · Derivative 32,272 $0.00 $0.00
Disclosure

SEC source: 0001861477-26-000005 · form4-07312026_060701.xml · derivative · entry 4

Thompson Elizabeth H.Z. · CIK 0001861477 · EVP, Head of Research & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,272

Underlying: Common Stock · 32,272 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: 50% of the restricted stock units vested on July 29, 2026 and 25% vest on each of July 29, 2027 and July 29, 2028.

F3 · derivative.expiration_date: 50% of the restricted stock units vested on July 29, 2026 and 25% vest on each of July 29, 2027 and July 29, 2028.

Read SEC document
July 29, 2026 Filed Jul 31, 2026 22:00 UTC
Thompson Elizabeth H.Z.EVP, Head of Research & Dev
Exercise / conversionCommon Stock 32,272 Not disclosed Not disclosed
Disclosure

SEC source: 0001861477-26-000005 · form4-07312026_060701.xml · nonDerivative · entry 1

Thompson Elizabeth H.Z. · CIK 0001861477 · EVP, Head of Research & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,552

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Read SEC document
June 26, 2026 Filed Jun 29, 2026 22:00 UTC
Kihara JamesPRINCIPAL ACCOUNTING OFFICER
SaleCommon Stock 11,421 $26.08 $297,912.22
Disclosure

SEC source: 0001816160-26-000009 · form4-06292026_060601.xml · nonDerivative · entry 1

Kihara James · CIK 0001816160 · PRINCIPAL ACCOUNTING OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,088

F1 · kind: Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 9, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.88 to $26.265, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC GrantRestricted Stock Units · Derivative 9,311 $0.00 $0.00
Disclosure

SEC source: 0001177917-26-000009 · form4-06012026_060612.xml · derivative · entry 4

HARRIGAN EDMUND · CIK 0001177917 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,311

Underlying: Common Stock · 9,311 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders.

F4 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC GrantDirector Stock Options (Right to Buy) · Derivative 16,004 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001177917-26-000009 · form4-06012026_060612.xml · derivative · entry 3

HARRIGAN EDMUND · CIK 0001177917 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,004

Underlying: Common Stock · 16,004 shares

Expires 2036-05-28

F3 · derivative.exercise_date: The shares subject to each stock option will vest quarterly over one year following the date of grant, with the final tranche vesting on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC Exercise / conversionRestricted Stock Units · Derivative 8,107 $0.00 $0.00
Disclosure

SEC source: 0001177917-26-000009 · form4-06012026_060612.xml · derivative · entry 2

HARRIGAN EDMUND · CIK 0001177917 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,107 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

F2 · derivative.expiration_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC Exercise / conversionCommon Stock 8,107 Not disclosed Not disclosed
Disclosure

SEC source: 0001177917-26-000009 · form4-06012026_060612.xml · nonDerivative · entry 1

HARRIGAN EDMUND · CIK 0001177917 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,148

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Ndu AdoraDirector
GrantRestricted Stock Units · Derivative 9,311 $0.00 $0.00
Disclosure

SEC source: 0001865210-26-000002 · form4-06012026_060610.xml · derivative · entry 4

Ndu Adora · CIK 0001865210 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,311

Underlying: Common Stock · 9,311 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders.

F4 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Ndu AdoraDirector
GrantDirector Stock Options (Right to Buy) · Derivative 16,004 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001865210-26-000002 · form4-06012026_060610.xml · derivative · entry 3

Ndu Adora · CIK 0001865210 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,004

Underlying: Common Stock · 16,004 shares

Expires 2036-05-28

F3 · derivative.exercise_date: The shares subject to each stock option will vest quarterly over one year following the date of grant, with the final tranche vesting on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Ndu AdoraDirector
Exercise / conversionRestricted Stock Units · Derivative 8,107 $0.00 $0.00
Disclosure

SEC source: 0001865210-26-000002 · form4-06012026_060610.xml · derivative · entry 2

Ndu Adora · CIK 0001865210 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,107 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

F2 · derivative.expiration_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Ndu AdoraDirector
Exercise / conversionCommon Stock 8,107 Not disclosed Not disclosed
Disclosure

SEC source: 0001865210-26-000002 · form4-06012026_060610.xml · nonDerivative · entry 1

Ndu Adora · CIK 0001865210 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,908

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Brege LauraDirector
GrantRestricted Stock Units · Derivative 9,311 $0.00 $0.00
Disclosure

SEC source: 0001365619-26-000002 · form4-06012026_060608.xml · derivative · entry 4

Brege Laura · CIK 0001365619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,311

Underlying: Common Stock · 9,311 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

F4 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Brege LauraDirector
GrantDirector Stock Options (Right to Buy) · Derivative 16,004 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001365619-26-000002 · form4-06012026_060608.xml · derivative · entry 3

Brege Laura · CIK 0001365619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,004

Underlying: Common Stock · 16,004 shares

Expires 2036-05-28

F3 · derivative.exercise_date: The shares subject to each stock option will vest quarterly over one year following the date of grant, with the final tranche vesting on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Brege LauraDirector
Exercise / conversionRestricted Stock Units · Derivative 8,107 $0.00 $0.00
Disclosure

SEC source: 0001365619-26-000002 · form4-06012026_060608.xml · derivative · entry 2

Brege Laura · CIK 0001365619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,107 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

F2 · derivative.expiration_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Brege LauraDirector
Exercise / conversionCommon Stock 8,107 Not disclosed Not disclosed
Disclosure

SEC source: 0001365619-26-000002 · form4-06012026_060608.xml · nonDerivative · entry 1

Brege Laura · CIK 0001365619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,202

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC GrantRestricted Stock Units · Derivative 9,311 $0.00 $0.00
Disclosure

SEC source: 0001604689-26-000009 · form4-06012026_060606.xml · derivative · entry 4

Poole Jonathan · CIK 0001604689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,311

Underlying: Common Stock · 9,311 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

F4 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC GrantDirector Stock Options (Right to Buy) · Derivative 16,004 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001604689-26-000009 · form4-06012026_060606.xml · derivative · entry 3

Poole Jonathan · CIK 0001604689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,004

Underlying: Common Stock · 16,004 shares

Expires 2036-05-28

F3 · derivative.exercise_date: The shares subject to each stock option will vest quarterly over one year following the date of grant, with the final tranche vesting on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC Exercise / conversionRestricted Stock Units · Derivative 2,010 $0.00 $0.00
Disclosure

SEC source: 0001604689-26-000009 · form4-06012026_060606.xml · derivative · entry 2

Poole Jonathan · CIK 0001604689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,010 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

F2 · derivative.expiration_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC Exercise / conversionCommon Stock 2,010 Not disclosed Not disclosed
Disclosure

SEC source: 0001604689-26-000009 · form4-06012026_060606.xml · nonDerivative · entry 1

Poole Jonathan · CIK 0001604689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,010

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC GrantRestricted Stock Units · Derivative 9,311 $0.00 $0.00
Disclosure

SEC source: 0001826361-26-000002 · form4-06012026_060603.xml · derivative · entry 4

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,311

Underlying: Common Stock · 9,311 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

F4 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC GrantDirector Stock Options (Right to Buy) · Derivative 16,004 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001826361-26-000002 · form4-06012026_060603.xml · derivative · entry 3

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,004

Underlying: Common Stock · 16,004 shares

Expires 2036-05-28

F3 · derivative.exercise_date: The shares subject to each stock option will vest quarterly over one year following the date of grant, with the final tranche vesting on the earlier of one year following the date of grant or the next annual meeting of stockholders.

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May 29, 2026 Filed Jun 1, 2026 22:00 UTC Exercise / conversionRestricted Stock Units · Derivative 8,107 $0.00 $0.00
Disclosure

SEC source: 0001826361-26-000002 · form4-06012026_060603.xml · derivative · entry 2

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,107 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

F2 · derivative.expiration_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

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May 29, 2026 Filed Jun 1, 2026 22:00 UTC Exercise / conversionCommon Stock 8,107 Not disclosed Not disclosed
Disclosure

SEC source: 0001826361-26-000002 · form4-06012026_060603.xml · nonDerivative · entry 1

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,489

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Daly James MDirector
GrantRestricted Stock Units · Derivative 9,311 $0.00 $0.00
Disclosure

SEC source: 0001560782-26-000002 · form4-06012026_060601.xml · derivative · entry 4

Daly James M · CIK 0001560782 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,311

Underlying: Common Stock · 9,311 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

F4 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of one year following the date of grant or the next annual meeting of stockholders. The reporting person has elected to defer receipt of the shares of common stock underlying the restricted stock units until the earliest of the following: (i) the fifth anniversary of the date of grant of such restricted stock unit award; (ii) the date that is 30 days following the date on which the director ceases to serve as a member of the board of directors of the Issuer or otherwise provide services to the Issuer; and (iii) a change in control of the Issuer as defined in the Issuer's 2024 Equity Incentive Plan, as amended.

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May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Daly James MDirector
GrantDirector Stock Options (Right to Buy) · Derivative 16,004 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001560782-26-000002 · form4-06012026_060601.xml · derivative · entry 3

Daly James M · CIK 0001560782 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,004

Underlying: Common Stock · 16,004 shares

Expires 2036-05-28

F3 · derivative.exercise_date: The shares subject to each stock option will vest quarterly over one year following the date of grant, with the final tranche vesting on the earlier of one year following the date of grant or the next annual meeting of stockholders.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Daly James MDirector
Exercise / conversionRestricted Stock Units · Derivative 8,107 $0.00 $0.00
Disclosure

SEC source: 0001560782-26-000002 · form4-06012026_060601.xml · derivative · entry 2

Daly James M · CIK 0001560782 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,107 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

F2 · derivative.expiration_date: The restricted stock units vested in full on May 29, 2026, the date on which an annual meeting of stockholders was held.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 22:00 UTC
Daly James MDirector
Exercise / conversionCommon Stock 8,107 Not disclosed Not disclosed
Disclosure

SEC source: 0001560782-26-000002 · form4-06012026_060601.xml · nonDerivative · entry 1

Daly James M · CIK 0001560782 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,148

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:32 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
GrantNon- Qualified Stock Option (right to buy) · Derivative 32,008 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001193125-26-253632 · ownership.xml · derivative · entry 6

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 32,008

Underlying: Common Stock · 32,008 shares

Expires 2036-05-28

F11 · shares: 16,004 Stock Options exercisable solely into Common Stock were granted under the Incentive Plan to each of Julian C. Baker and Dr. Biggar in their capacity as directors of the Issuer. The Stock Options have a strike price of $21.66 and vest in 4 equal quarterly installments beginning on May 29, 2026, with the final tranche vesting upon the earlier of the one year anniversary of the date of grant or the date of the next annual meeting of stockholders of the Issuer and expire on May 28, 2036.

F11 · derivative.exercise_date: 16,004 Stock Options exercisable solely into Common Stock were granted under the Incentive Plan to each of Julian C. Baker and Dr. Biggar in their capacity as directors of the Issuer. The Stock Options have a strike price of $21.66 and vest in 4 equal quarterly installments beginning on May 29, 2026, with the final tranche vesting upon the earlier of the one year anniversary of the date of grant or the date of the next annual meeting of stockholders of the Issuer and expire on May 28, 2036.

F3 · ownership.nature: The Adviser serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held directly by the Funds or for the benefit of the Funds. The Adviser GP is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds.

F4 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by or for the benefit of the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

F6 · ownership.nature: Pursuant to the policies of the Adviser, Julian C. Baker and Dr. Biggar do not have a right to any of the Issuer's securities issued as compensation for their service on the Board and the Funds are entitled to an indirect proportionate pecuniary interest in such securities. The Funds each own an indirect proportionate pecuniary interest in such securities. Solely as a result of their ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the shares of Common Stock, Stock Options, Common Stock issued upon exercise of Stock Options, RSUs and Common Stock received upon vesting of RSUs (i.e. no direct pecuniary interest) issued as compensation for such Board service.

F7 · ownership.nature: Pursuant to the policies of the Adviser, the Adviser has voting and dispositive power over the Stock Options, RSUs and any Common Stock received as a result of the exercise of Stock Options or vesting of RSUs.

F8 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital, L.P. and (ii) Life Sciences, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I and the Stock Options reported in column 9 of Table II held directly by or held for the benefit of Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F12 · ownership.nature: The acquisitions of the RSUs and Stock Options reported on this form represent grants to each of Julian C. Baker and Dr. Biggar of 9,311 RSUs on Table I and 16,004 Stock Options on Table II. These grants, totaling 18,622 RSUs and 32,008 Stock Options for Julian C. Baker and Dr. Biggar in the aggregate, are reported for each of the Funds as each has an indirect pecuniary interest in such securities.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:32 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
GrantNon- Qualified Stock Option (right to buy) · Derivative 32,008 $0.00 Strike: $21.66 $0.00
Disclosure

SEC source: 0001193125-26-253632 · ownership.xml · derivative · entry 5

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 32,008

Underlying: Common Stock · 32,008 shares

Expires 2036-05-28

F11 · shares: 16,004 Stock Options exercisable solely into Common Stock were granted under the Incentive Plan to each of Julian C. Baker and Dr. Biggar in their capacity as directors of the Issuer. The Stock Options have a strike price of $21.66 and vest in 4 equal quarterly installments beginning on May 29, 2026, with the final tranche vesting upon the earlier of the one year anniversary of the date of grant or the date of the next annual meeting of stockholders of the Issuer and expire on May 28, 2036.

F11 · derivative.exercise_date: 16,004 Stock Options exercisable solely into Common Stock were granted under the Incentive Plan to each of Julian C. Baker and Dr. Biggar in their capacity as directors of the Issuer. The Stock Options have a strike price of $21.66 and vest in 4 equal quarterly installments beginning on May 29, 2026, with the final tranche vesting upon the earlier of the one year anniversary of the date of grant or the date of the next annual meeting of stockholders of the Issuer and expire on May 28, 2036.

F2 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I and the non-qualified options to purchase Common Stock of the Issuer ("Stock Options") reported in column 9 of Table II held directly by or held for the benefit of 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.

F3 · ownership.nature: The Adviser serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held directly by the Funds or for the benefit of the Funds. The Adviser GP is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds.

F4 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by or for the benefit of the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

F6 · ownership.nature: Pursuant to the policies of the Adviser, Julian C. Baker and Dr. Biggar do not have a right to any of the Issuer's securities issued as compensation for their service on the Board and the Funds are entitled to an indirect proportionate pecuniary interest in such securities. The Funds each own an indirect proportionate pecuniary interest in such securities. Solely as a result of their ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the shares of Common Stock, Stock Options, Common Stock issued upon exercise of Stock Options, RSUs and Common Stock received upon vesting of RSUs (i.e. no direct pecuniary interest) issued as compensation for such Board service.

F7 · ownership.nature: Pursuant to the policies of the Adviser, the Adviser has voting and dispositive power over the Stock Options, RSUs and any Common Stock received as a result of the exercise of Stock Options or vesting of RSUs.

F12 · ownership.nature: The acquisitions of the RSUs and Stock Options reported on this form represent grants to each of Julian C. Baker and Dr. Biggar of 9,311 RSUs on Table I and 16,004 Stock Options on Table II. These grants, totaling 18,622 RSUs and 32,008 Stock Options for Julian C. Baker and Dr. Biggar in the aggregate, are reported for each of the Funds as each has an indirect pecuniary interest in such securities.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:32 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
GrantCommon Stock 18,622 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-253632 · ownership.xml · nonDerivative · entry 2

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 39,384,587

F1 · shares: Includes 9,311 restricted stock units (each, an "RSU") payable solely in common stock ("Common Stock") of Acadia Pharmaceuticals Inc. (the "Issuer") granted by the Issuer to each of Julian C. Baker, a managing member of Baker Bros. Advisors (GP) LLC (the "Adviser GP") and Dr. Stephen R. Biggar, a full-time employee of Baker Bros. Advisors LP (the "Adviser") on May 29, 2026, pursuant to the Issuer's 2024 Equity Incentive Plan ("Incentive Plan"). The RSUs fully vest on the earlier of May 29, 2027 or the date of the next annual meeting of stockholders of the Issuer, subject to Julian C. Baker's and Dr. Biggar's continuous service on the board of directors of the Issuer (the "Board") through the vesting date. Julian C. Baker and Dr. Biggar serve on the Board as representatives of 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") and their affiliates and control persons.

F3 · ownership.nature: The Adviser serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held directly by the Funds or for the benefit of the Funds. The Adviser GP is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds.

F4 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by or for the benefit of the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

F5 · ownership.nature: Includes beneficial ownership of 42,148 shares of Common Stock issued upon the vesting of RSUs previously issued to each of Julian C. Baker and Dr. Biggar in their capacity as directors of the Issuer pursuant to the Incentive Plan of which the Funds may be deemed to own a portion and 27,500 previously issued shares from the exercise of 27,500 Stock Options that were issued to Dr. Biggar in his capacity as a director of the Issuer, of which the Funds may be deemed to own a portion.

F6 · ownership.nature: Pursuant to the policies of the Adviser, Julian C. Baker and Dr. Biggar do not have a right to any of the Issuer's securities issued as compensation for their service on the Board and the Funds are entitled to an indirect proportionate pecuniary interest in such securities. The Funds each own an indirect proportionate pecuniary interest in such securities. Solely as a result of their ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the shares of Common Stock, Stock Options, Common Stock issued upon exercise of Stock Options, RSUs and Common Stock received upon vesting of RSUs (i.e. no direct pecuniary interest) issued as compensation for such Board service.

F7 · ownership.nature: Pursuant to the policies of the Adviser, the Adviser has voting and dispositive power over the Stock Options, RSUs and any Common Stock received as a result of the exercise of Stock Options or vesting of RSUs.

F8 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital, L.P. and (ii) Life Sciences, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I and the Stock Options reported in column 9 of Table II held directly by or held for the benefit of Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F12 · ownership.nature: The acquisitions of the RSUs and Stock Options reported on this form represent grants to each of Julian C. Baker and Dr. Biggar of 9,311 RSUs on Table I and 16,004 Stock Options on Table II. These grants, totaling 18,622 RSUs and 32,008 Stock Options for Julian C. Baker and Dr. Biggar in the aggregate, are reported for each of the Funds as each has an indirect pecuniary interest in such securities.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:32 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
GrantCommon Stock 18,622 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-253632 · ownership.xml · nonDerivative · entry 1

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,677,357

F1 · shares: Includes 9,311 restricted stock units (each, an "RSU") payable solely in common stock ("Common Stock") of Acadia Pharmaceuticals Inc. (the "Issuer") granted by the Issuer to each of Julian C. Baker, a managing member of Baker Bros. Advisors (GP) LLC (the "Adviser GP") and Dr. Stephen R. Biggar, a full-time employee of Baker Bros. Advisors LP (the "Adviser") on May 29, 2026, pursuant to the Issuer's 2024 Equity Incentive Plan ("Incentive Plan"). The RSUs fully vest on the earlier of May 29, 2027 or the date of the next annual meeting of stockholders of the Issuer, subject to Julian C. Baker's and Dr. Biggar's continuous service on the board of directors of the Issuer (the "Board") through the vesting date. Julian C. Baker and Dr. Biggar serve on the Board as representatives of 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") and their affiliates and control persons.

F2 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I and the non-qualified options to purchase Common Stock of the Issuer ("Stock Options") reported in column 9 of Table II held directly by or held for the benefit of 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.

F3 · ownership.nature: The Adviser serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held directly by the Funds or for the benefit of the Funds. The Adviser GP is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held directly by or for the benefit of the Funds.

F4 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by or for the benefit of the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

F5 · ownership.nature: Includes beneficial ownership of 42,148 shares of Common Stock issued upon the vesting of RSUs previously issued to each of Julian C. Baker and Dr. Biggar in their capacity as directors of the Issuer pursuant to the Incentive Plan of which the Funds may be deemed to own a portion and 27,500 previously issued shares from the exercise of 27,500 Stock Options that were issued to Dr. Biggar in his capacity as a director of the Issuer, of which the Funds may be deemed to own a portion.

F6 · ownership.nature: Pursuant to the policies of the Adviser, Julian C. Baker and Dr. Biggar do not have a right to any of the Issuer's securities issued as compensation for their service on the Board and the Funds are entitled to an indirect proportionate pecuniary interest in such securities. The Funds each own an indirect proportionate pecuniary interest in such securities. Solely as a result of their ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the shares of Common Stock, Stock Options, Common Stock issued upon exercise of Stock Options, RSUs and Common Stock received upon vesting of RSUs (i.e. no direct pecuniary interest) issued as compensation for such Board service.

F7 · ownership.nature: Pursuant to the policies of the Adviser, the Adviser has voting and dispositive power over the Stock Options, RSUs and any Common Stock received as a result of the exercise of Stock Options or vesting of RSUs.

F12 · ownership.nature: The acquisitions of the RSUs and Stock Options reported on this form represent grants to each of Julian C. Baker and Dr. Biggar of 9,311 RSUs on Table I and 16,004 Stock Options on Table II. These grants, totaling 18,622 RSUs and 32,008 Stock Options for Julian C. Baker and Dr. Biggar in the aggregate, are reported for each of the Funds as each has an indirect pecuniary interest in such securities.

Read SEC document
May 26, 2026 Filed May 27, 2026 22:00 UTC
Kihara JamesPRINCIPAL ACCOUNTING OFFICER
SaleCommon Stock 5,401 $21.18 $114,393.18
Disclosure

SEC source: 0001816160-26-000008 · form4-05272026_060501.xml · nonDerivative · entry 1

Kihara James · CIK 0001816160 · PRINCIPAL ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,509

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.1801 to $21.185, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · balance_after: Includes 781 shares of the Issuer's common stock acquired by the reporting person on May 15, 2026 pursuant to an employee stock purchase plan.

Read SEC document
May 04, 2026 Filed May 5, 2026 22:00 UTC
Kihara JamesPRINCIPAL ACCOUNTING OFFICER
SaleCommon Stock 1,332 $21.79 $29,024.28
Disclosure

SEC source: 0001816160-26-000007 · form4-05052026_060511.xml · nonDerivative · entry 2

Kihara James · CIK 0001816160 · PRINCIPAL ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,129

F2 · kind: 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).

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.79 to $21.815, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

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May 04, 2026 Filed May 5, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
SaleCommon Stock 3,506 $21.79 $76,395.74
Disclosure

SEC source: 0001899977-26-000007 · form4-05052026_060501.xml · nonDerivative · entry 2

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,145

F2 · kind: 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).

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.79 to $21.7932, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

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May 01, 2026 Filed May 5, 2026 22:00 UTC
Kihara JamesPRINCIPAL ACCOUNTING OFFICER
Exercise / conversionRestricted Stock Units · Derivative 2,596 $0.00 $0.00
Disclosure

SEC source: 0001816160-26-000007 · form4-05052026_060511.xml · derivative · entry 3

Kihara James · CIK 0001816160 · PRINCIPAL ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,596

Underlying: Common Stock · 2,596 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning May 1, 2024.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning May 1, 2024.

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May 01, 2026 Filed May 5, 2026 22:00 UTC
Kihara JamesPRINCIPAL ACCOUNTING OFFICER
Exercise / conversionCommon Stock 2,596 Not disclosed Not disclosed
Disclosure

SEC source: 0001816160-26-000007 · form4-05052026_060511.xml · nonDerivative · entry 1

Kihara James · CIK 0001816160 · PRINCIPAL ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,461

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

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May 01, 2026 Filed May 5, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionRestricted Stock Units · Derivative 6,815 $0.00 $0.00
Disclosure

SEC source: 0001899977-26-000007 · form4-05052026_060501.xml · derivative · entry 3

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,815

Underlying: Common Stock · 6,815 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning May 1, 2024.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning May 1, 2024.

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May 01, 2026 Filed May 5, 2026 22:00 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionCommon Stock 6,815 Not disclosed Not disclosed
Disclosure

SEC source: 0001899977-26-000007 · form4-05052026_060501.xml · nonDerivative · entry 1

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,651

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

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April 07, 2026 Filed Apr 7, 2026 23:57 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
SaleCommon Stock 2,709 $22.20 $60,139.80
Disclosure

SEC source: 0001899977-26-000005 · form4-04072026_110411.xml · nonDerivative · entry 2

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,836

F2 · kind: 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).

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April 07, 2026 Filed Apr 7, 2026 23:55 UTC
Kihara JamesPRINCIPAL ACCOUNTING OFFICER
SaleCommon Stock 1,030 $22.20 $22,866.00
Disclosure

SEC source: 0001816160-26-000005 · form4-04072026_110435.xml · nonDerivative · entry 2

Kihara James · CIK 0001816160 · PRINCIPAL ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,865

F2 · kind: 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).

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.07 to $22.20, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

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April 05, 2026 Filed Apr 7, 2026 23:57 UTC
Schneyer Mark C.EVP, CHIEF FINANCIAL OFFICER
Exercise / conversionRestricted Stock Units · Derivative 5,276 $0.00 $0.00
Disclosure

SEC source: 0001899977-26-000005 · form4-04072026_110411.xml · derivative · entry 3

Schneyer Mark C. · CIK 0001899977 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,276 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning April 5, 2023.

F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning April 5, 2023.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.