BAKER BROS. ADVISORS LP - 24 Feb 2026 SCHEDULE 13D/A Report for ACADIA Pharmaceuticals Inc. Common Stock, $0.0001 par value per share (ACAD)

Filing Manager: BAKER BROS. ADVISORS LP
Reporting Manager: Julian C. Baker
Security: ACADIA Pharmaceuticals Inc. Common Stock, $0.0001 par value per share
Symbol: ACAD
Shares outstanding: 170,450,287 shares
Disclosed Ownership: 43,294,373 shares
Ownership: 25%
Form type: SCHEDULE 13D/A
Filing time: 26 Feb 2026, 18:59:24 UTC
Date of event: 24 Feb 2026
SEC: View on sec.gov

Reporting Managers (5)

Name	Ownership	Shares Owned	sole voting power	Signature	Title	CIK
Baker Bros. Advisors LP	25%	43,151,054	43,151,054	/s/ Scott L. Lessing	Scott L. Lessing/ President	0001263508
Baker Bros. Advisors (GP) LLC	25%	43,151,054	43,151,054	/s/ Scott L. Lessing	Scott L. Lessing/ President	0001580575
Julian C. Baker	25%	43,294,373	43,294,373	/s/ Julian C. Baker	Julian C. Baker	0001087939
Felix J. Baker	25%	43,294,373	43,294,373	/s/ Felix J. Baker	Felix J. Baker	0001087940
FBB3 LLC	0.02%	40,443	40,443	/s/ Felix J. Baker	Felix J. Baker	0001625395