ACADIA officer sells 11,421 shares in open market

ACADIA PHARMACEUTICALS principal accounting officer James Kihara sold 11,421 shares of common stock in an open-market transaction at a weighted average price of $26.0846 per share.

Rhea-AI Filing Summary

ACADIA PHARMACEUTICALS principal accounting officer James Kihara sold 11,421 shares of common stock in an open-market transaction at a weighted average price of $26.0846 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 9, 2025, and Kihara now holds 13,088 shares directly.

Insider Trade Summary 10b5-1

Net Seller: 11,421 shares

Net Sell 1 txn

Insider Kihara James

Role PRINCIPAL ACCOUNTING OFFICER

Sold 11,421 shs ($298K)

Type	Security	Shares	Price	Value
Sale	Common Stock	11,421	$26.0846	$298K

Holdings After Transaction: Common Stock — 13,088 shares (Direct)

Footnotes (2)

1. F1. Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 9, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.88 to $26.265, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Key Figures

Shares sold: 11,421 shares Weighted average sale price: $26.0846 per share Post-transaction holdings: 13,088 shares +1 more

4 metrics

Shares sold 11,421 shares Open-market sale on June 26, 2026

Weighted average sale price $26.0846 per share Common stock sale

Post-transaction holdings 13,088 shares Direct ownership after sale

Trade price range $25.88 to $26.265 Range of individual sale transactions

Key Terms

Rule 10b5-1 Plan, weighted average price, open-market sale

3 terms

Rule 10b5-1 Plan financial

"Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 9, 2025."

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ACAD (ACADIA PHARMACEUTICALS) report for James Kihara?

ACADIA PHARMACEUTICALS reported that principal accounting officer James Kihara sold 11,421 shares of common stock. The transaction was an open-market sale executed under a pre-arranged Rule 10b5-1 trading plan.

How many ACAD shares did James Kihara sell and at what price?

James Kihara sold 11,421 ACAD shares at a weighted average price of $26.0846 per share. The shares were sold in multiple trades between $25.88 and $26.265.

How many ACADIA PHARMACEUTICALS shares does James Kihara hold after this sale?

After the reported sale, James Kihara directly holds 13,088 shares of ACADIA PHARMACEUTICALS common stock. This figure reflects his remaining direct ownership position following the open-market transaction.

Was the ACAD insider sale by James Kihara under a Rule 10b5-1 plan?

Yes, the sale by James Kihara occurred pursuant to a Rule 10b5-1 trading plan. The plan was adopted by the reporting person on December 9, 2025, indicating the transactions were pre-arranged in advance.

What was the trading range for James Kihara’s ACAD share sale?

The reported weighted average sale price was $26.0846 per share, with individual trades executed between $25.88 and $26.265. The filing notes that detailed trade breakdowns are available upon request.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/29/2026 - 06:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kihara James

(Last) (First) (Middle)

C/O ACADIA PHARMACEUTICALS INC.

12830 EL CAMINO REAL, SUITE 400

(Street)

SAN DIEGO CALIFORNIA 92130

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ACADIA PHARMACEUTICALS INC [ ACAD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	PRINCIPAL ACCOUNTING OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/26/2026		S(1)		11,421	D	$26.0846(2)	13,088	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 9, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.88 to $26.265, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

	/s/ Jennifer J. Rhodes, Attorney-in-Fact	06/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)