SC 13G: ACADIA PHARMACEUTICALS INC

AI Summary

SC 13G filing by ACADIA PHARMACEUTICALS INC.

Risk Assessment

Risk Level: low

FAQ

Key Financial Figures

• $0.0001 — me of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securitie

Filing Documents

• p24-0713sc13g.htm (SC 13G) — 66KB
• 0000902664-24-001543.txt ( ) — 68KB

(a)

Item 1(a). NAME OF ISSUER: The name of the issuer is Acadia Pharmaceuticals Inc. (the " Company ").

(b)

Item 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: The Company's principal executive offices are located at 12830 El Camino Real, Suite 400, San Diego, California 92130.

(a)

Item 2(a). NAME OF PERSON FILING: This statement is filed by: (i) RTW Investments, LP (" RTW Investments "), a Delaware limited partnership, and the investment adviser to certain funds (the " RTW Funds "), with respect to the Shares (as defined in

(d) below) directly held by the RTW Funds; and

Item 2(d) below) directly held by the RTW Funds; and (ii) Roderick Wong, M.D. (" Dr. Wong "), the Managing Partner and Chief Investment Officer of RTW Investments, with respect to the Shares directly held by the RTW Funds. The foregoing persons are hereinafter sometimes collectively referred to as the " Reporting Persons ." The filing of this statement should not be construed as an admission that any of the foregoing persons or any Reporting Person is, for the purposes of Section 13 of the Act, the beneficial owner of the Shares reported herein.

(b)

Item 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: The address of the business office of each of the Reporting Persons is 40 10 th Avenue, Floor 7, New York, New York 10014.

(c)

Item 2(c). CITIZENSHIP: RTW Investments is a Delaware limited partnership. Dr. Wong is a citizen of the United States.

(d)

Item 2(d). TITLE OF CLASS OF SECURITIES: Common Stock, par value $0.0001 per share (the " Shares "). CUSIP No. 004225108 13G Page 5 of 7 Pages

(e)

Item 2(e). CUSIP NUMBER: 004225108 Item 3. IF THIS STATEMENT IS FILED PURSUANT TO §§ 240.13d-1(b) OR 240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: (a) ¨ Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o); (b) ¨ Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c); (c) ¨ Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c); (d) ¨ Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); (e) x Investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) ¨ Employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) x Parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) ¨ Savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) ¨ Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act (15 U.S.C. 80a-3); (j) ¨ Non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J); (k) ¨ Group, in accordance with Rule 13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: ____________________________________________ Item 4. The information required by Items 4(a) - (c) is set forth in Rows 5 - 11 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentages set forth herein are calculated based upon 164,180,377 Shares outstanding as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2023, filed with the Securities and Exchange Commission on November 3, 2023. CUSIP No. 004225108 13G Page 6 of 7 Pages Item 5. Not applicable. Item 6.

SIGNATURES

SIGNATURES After reasonable inquiry and to the best of his or its knowledge and belief, each of the undersigned certify that the information set forth in this statement is true, complete and correct. DATED: February 14, 2024 RTW INVESTMENTS, LP By: /s/ Roderick Wong, M.D. Name: Roderick Wong, M.D. Title: Managing Partner /s/ Roderick Wong, M.D. RODERICK WONG, M.D. EXHIBIT 99.1 JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate. DATE: February 14, 2024 RTW INVESTMENTS, LP By: /s/ Roderick Wong, M.D. Name: Roderick Wong, M.D. Title: Managing Partner /s/ Roderick Wong, M.D. RODERICK WONG, M.D.

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