ACAD
ACADIA Pharmaceuticals Inc.
NASDAQ · Healthcare · Biotechnology · US
$28.04
+0.64%0
Insider buys (3m)
6
Insider sells (3m)
-$1.3M
Net value (3m)
+29.8%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| 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 | Sale | 9,292 | $29 |
| 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 | 50 | $26 |
| 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 |
| 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 | Brege Laura · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Poole Jonathan · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | HARRIGAN EDMUND · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Daly James M · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | GAROFALO ELIZABETH A. · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Ndu Adora · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Ndu Adora · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Brege Laura · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | Poole Jonathan · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | Ndu Adora · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | GAROFALO ELIZABETH A. · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | Brege Laura · director | A-Award | 9,311 | $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 | Daly James M · director | A-Award | 16,004 | $22 |
| Jun 1, 2026 | HARRIGAN EDMUND · director | A-Award | 9,311 | $0.00 |
| Jun 1, 2026 | Daly James M · director | M-Exempt | 8,107 | $0.00 |
| Jun 1, 2026 | GAROFALO ELIZABETH A. · director | A-Award | 9,311 | $0.00 |
| May 27, 2026 | Kihara James · officer: PRINCIPAL ACCOUNTING OFFICER | Sale | 5,401 | $21 |
Institutional positioning
13F filings over the trailing two quarters
New 93Increased 251Reduced 246Sold out 37
| 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 | Aug 7, 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 Aug 7, 2026