ACAD
ACADIA PHARMACEUTICALS INC
NASDAQ · Healthcare · Biotechnology · US
$21.18
+2.94%0
Insider buys (3m)
4
Insider sells (3m)
-$656.6K
Net value (3m)
-27.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 30, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | Sale | 3,321 | $21 |
| Oct 30, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | A-Award | 6,815 | $0.00 |
| Aug 7, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | Sale | 9,292 | $29 |
| Aug 7, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | M-Exempt | 5,849 | $18 |
| Aug 7, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | M-Exempt | 14,292 | $18 |
| Aug 7, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | Sale | 5,000 | $29 |
| Aug 7, 2026 | Schneyer Mark C. · officer: EVP, CHIEF FINANCIAL OFFICER | Sale | 5,849 | $29 |
| Jul 31, 2026 | Thompson Elizabeth H.Z. · officer: EVP, Head of Research & Dev | Sale | 16,508 | $26 |
| Jul 31, 2026 | Thompson Elizabeth H.Z. · officer: EVP, Head of Research & Dev | M-Exempt | 32,272 | $0.00 |
| Jul 31, 2026 | Thompson Elizabeth H.Z. · officer: EVP, Head of Research & Dev | Sale | 50 | $26 |
| Jun 29, 2026 | Kihara James · officer: PRINCIPAL ACCOUNTING OFFICER | Sale | 11,421 | $26 |
| Jun 2, 2026 | BAKER BROS. ADVISORS LP · director, 10 percent owner: | A-Award | 18,622 | $0.00 |
| Jun 2, 2026 | BAKER BROS. ADVISORS LP · director, 10 percent owner: | A-Award | 32,008 | $22 |
| Jun 1, 2026 | Daly James M · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | Ndu Adora · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Brege Laura · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | GAROFALO ELIZABETH A. · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | GAROFALO ELIZABETH A. · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | Daly James M · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Brege Laura · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Ndu Adora · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Poole Jonathan · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Daly James M · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Poole Jonathan · director | M-Exempt | 2,010 | $0.00 |
| Jun 1, 2026 | HARRIGAN EDMUND · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Brege Laura · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | HARRIGAN EDMUND · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | HARRIGAN EDMUND · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | Ndu Adora · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | Poole Jonathan · director | A-Award | 9,311 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 103Increased 260Reduced 236Sold out 40
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BAKER BROS. ADVISORS LP | Increased | 42,912,904 | Aug 14, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 42,896,690 | May 15, 2026 |
| BlackRock, Inc. | Increased | 22,515,173 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 21,550,921 | May 13, 2026 |
| STATE STREET CORP | Increased | 9,076,212 | Sep 22, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 8,838,450 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 8,671,645 | May 8, 2026 |
| STATE STREET CORP | Increased | 8,332,771 | May 15, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 7,144,524 | May 15, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 7,144,524 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 5,763,750 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 5,661,400 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 3,694,988 | Aug 11, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 3,464,689 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 3,358,129 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 30, 2026