ACADNasdaq

ACADIA PHARMACEUTICALS INC

Alert me on ACAD

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 31 Sale Schneyer Mark C. Insider

1 week

Result due

1 month

Result in16 trading days

3 months

Result in58 trading days

6 months

Result in121 trading days

Aug 8 Sale Schneyer Mark C. Insider

1 week

−1.3%S&P 0.0%

1 month

−5.8%S&P −1.4%

3 months

−27.8%S&P −4.6%

6 months

Result in62 trading days

Aug 1 Sale Thompson Elizabeth H.Z. Insider

1 week

+14.8%S&P +2.0%

1 month

+12.8%S&P +0.5%

3 months

−19.6%S&P 0.0%

6 months

Result in57 trading days

Jun 30 Sale Kihara James Insider

1 week

+2.8%S&P −0.2%

1 month

+4.9%S&P −0.7%

3 months

−20.1%S&P +2.6%

6 months

Result in34 trading days

May 28 Sale Kihara James Insider

1 week

+0.4%S&P +0.3%

1 month

+16.5%S&P −1.6%

3 months

+37.4%S&P +2.4%

6 months

Result in12 trading days

Show all 20

May 6 Sale Schneyer Mark C. Insider

1 week

+3.3%S&P +1.2%

1 month

+0.4%S&P +0.5%

3 months

+32.4%S&P +5.0%

6 months

0.0%S&P +5.0%

May 6 Sale Kihara James Insider

1 week

+3.3%S&P +1.2%

1 month

+0.4%S&P +0.5%

3 months

+32.4%S&P +5.0%

6 months

0.0%S&P +5.0%

Apr 8 Sale Schneyer Mark C. Insider

1 week

−3.5%S&P +3.5%

1 month

0.0%S&P +8.2%

3 months

+17.1%S&P +11.5%

6 months

−12.9%S&P +15.6%

Apr 8 Sale Kihara James Insider

1 week

−3.5%S&P +3.5%

1 month

0.0%S&P +8.2%

3 months

+17.1%S&P +11.5%

6 months

−12.9%S&P +15.6%

Mar 27 Sale Owen Adams Catherine Insider

1 week

+7.6%S&P +3.9%

1 month

+9.3%S&P +12.2%

3 months

+21.4%S&P +17.2%

6 months

−1.1%S&P +21.3%

Mar 27 Sale Rhodes Jennifer J Insider

1 week

+7.6%S&P +3.9%

1 month

+9.3%S&P +12.2%

3 months

+21.4%S&P +17.2%

6 months

−1.1%S&P +21.3%

Mar 27 Sale Thompson Elizabeth H.Z. Insider

1 week

+7.6%S&P +3.9%

1 month

+9.3%S&P +12.2%

3 months

+21.4%S&P +17.2%

6 months

−1.1%S&P +21.3%

Mar 27 Sale Kihara James Insider

1 week

+7.6%S&P +3.9%

1 month

+9.3%S&P +12.2%

3 months

+21.4%S&P +17.2%

6 months

−1.1%S&P +21.3%

Mar 27 Sale Schneyer Mark C. Insider

1 week

+7.6%S&P +3.9%

1 month

+9.3%S&P +12.2%

3 months

+21.4%S&P +17.2%

6 months

−1.1%S&P +21.3%

Feb 11 Sale Rhodes Jennifer J Insider

1 week

+8.3%S&P −1.1%

1 month

−8.3%S&P −4.3%

3 months

−1.3%S&P +7.6%

6 months

+26.3%S&P +13.0%

Nov 20, 2025 Sale Schneyer Mark C. Insider

1 week

+9.3%S&P +4.7%

1 month

+22.5%S&P +5.3%

3 months

+7.4%S&P +5.6%

6 months

−7.2%S&P +15.7%

Nov 20, 2025 Sale Kihara James Insider

1 week

+9.3%S&P +4.7%

1 month

+22.5%S&P +5.3%

3 months

+7.4%S&P +5.6%

6 months

−7.2%S&P +15.7%

Nov 13, 2025 Sale Daly James M Insider

1 week

−3.1%S&P −2.9%

1 month

+15.3%S&P +1.3%

3 months

−2.9%S&P +1.9%

6 months

−12.5%S&P +10.5%

Sep 17, 2025 Sale Schneyer Mark C. Insider

1 week

−12.1%S&P +0.6%

1 month

−14.8%S&P +0.5%

3 months

+10.7%S&P +3.3%

6 months

−14.4%S&P +0.7%

Sep 4, 2025 Sale GAROFALO ELIZABETH A. Insider

1 week

−5.1%S&P +1.3%

1 month

−14.5%S&P +3.4%

3 months

+1.5%S&P +5.6%

6 months

−13.1%S&P +4.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for ACAD

43 held · newest 543 held · newest 2

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See all 43 filings for ACAD

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Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G

STATE STREET CORPORATION: 5.3%, 9,076,212 shares

Mar 31, 2026 Schedule 13G

Vanguard Portfolio Management: 5.2%, 8,781,007 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Feb 24, 2026 Schedule 13D, amended

Julian C. Baker: 25.4%, 43,294,373 shares

Sep 30, 2025 Schedule 13G, amended

RTW Investments, LP: 4.2%, 7,144,524 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$590KQ4 2025

$600KQ1 2026

$700KQ2 2026

$440KQ3 2026

Down 37 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 20, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.