InsiderTrades

Form 4 for ACAD ACADIA PHARMACEUTICALS INC

Accepted 2026-07-31 18:00:17 ET · period of report 2026-07-29 · accession 0001861477-26-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-07-31 18:00 2026-07-29 ACAD Thompson Elizabeth H.Z. EVP, Head of Research, Dev M - OptEx — +32.3K 35.6K +984% —
DM 2026-07-31 18:00 2026-07-30 ACAD Thompson Elizabeth H.Z. EVP, Head of Research, Dev S - Sale+OE $26.13 -16.6K 19.0K -47% -$432.7K
D 2026-07-31 18:00 2026-07-29 ACAD Thompson Elizabeth H.Z. EVP, Head of Research, Dev M - OptEx $0.00 -32.3K 32.3K -50% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-07-29 M A 32,272 — 35,552 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
2 Common Common Stock 2026-07-30 S D 16,508 $26.13 19,044 D — — (F2) 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).
3 Common Common Stock 2026-07-30 S D 50 $26.17 18,994 D — — (F2) 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).
4 Derivative Restricted Stock Units 2026-07-29 M D 32,272 $0.00 32,272 D — · — to — 32,272 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F3) 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) 50% of the restricted stock units vested on July 29, 2026 and 25% vest on each of July 29, 2027 and July 29, 2028.