Mark C. Schneyer

CIK: 0001899977

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)18 (47.4%)

Position reduction

Option Exercises (M)14 (36.8%)

Derivative conversions

Awards (A)6 (15.8%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ACAD

ACADIA PHARMACEUTICALS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (38 total)

ACAD
ACADIA PHARMACEUTICALS INC
Oct 30, 2026
Sale(S)
Direct
3.3K shares at avg. $20.88$69K
ACAD
ACADIA PHARMACEUTICALS INC
Oct 15, 2026
Award(A)
Direct
6.8K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Aug 6, 2026
Sale(S)
Direct
5K shares at avg. $29.00$145K
ACAD
ACADIA PHARMACEUTICALS INC
Aug 6, 2026
Sale(S)
Direct
9.3K shares at avg. $29.34$273K
ACAD
ACADIA PHARMACEUTICALS INC
Aug 6, 2026
Exercise(M)
Direct
14.3K shares at avg. $17.84$255K
ACAD
ACADIA PHARMACEUTICALS INC
Aug 5, 2026
Exercise(M)
Direct
5.8K shares at avg. $17.84$104K
ACAD
ACADIA PHARMACEUTICALS INC
Aug 5, 2026
Sale(S)
Direct
5.8K shares at avg. $29.00$170K
ACAD
ACADIA PHARMACEUTICALS INC
May 4, 2026
Sale(S)
Direct
3.5K shares at avg. $21.79$76K
ACAD
ACADIA PHARMACEUTICALS INC
May 1, 2026
Exercise(M)
Direct
6.8K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Apr 7, 2026
Sale(S)
Direct
2.7K shares at avg. $22.20$60K
ACAD
ACADIA PHARMACEUTICALS INC
Apr 5, 2026
Exercise(M)
Direct
5.3K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Mar 26, 2026
Sale(S)
Direct
3.2K shares at avg. $21.65$69K
ACAD
ACADIA PHARMACEUTICALS INC
Mar 26, 2026
Sale(S)
Direct
37 shares at avg. $21.72$803.544
ACAD
ACADIA PHARMACEUTICALS INC
Mar 25, 2026
Sale(S)
Direct
4.2K shares at avg. $21.47$90K
ACAD
ACADIA PHARMACEUTICALS INC
Mar 25, 2026
Exercise(M)
Direct
6.2K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Mar 24, 2026
Exercise(M)
Direct
8.1K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Mar 6, 2026
Award(A)
Stock Option (Right to Buy)
Direct
90.7K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Mar 6, 2026
Award(A)
Restricted Stock Units
Direct
26.4K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Nov 18, 2025
Sale(S)
Direct
10.3K shares at avg. $23.69$243K
ACAD
ACADIA PHARMACEUTICALS INC
Nov 17, 2025
Exercise(M)
Direct
9.9K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Nov 17, 2025
Exercise(M)
Direct
9.9K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Sep 15, 2025
Sale(S)
Direct
3.5K shares at avg. $23.65$83K
ACAD
ACADIA PHARMACEUTICALS INC
Sep 12, 2025
Award(A)
Direct
6.8K shares-
ACAD
ACADIA PHARMACEUTICALS INC
Aug 18, 2025
Sale(S)
Direct
22K shares at avg. $25.18$554K
ACAD
ACADIA PHARMACEUTICALS INC
May 16, 2025
Sale(S)
Direct
2K shares at avg. $25.00$50K

		Type	Shares	Price		Ownership
Oct 30, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	3,321	$20.88	$69,342	Direct
Oct 15, 2026	ACAD ACADIA PHARMACEUTICALS INC	Award(A)	6,815	-	$0	Direct
Aug 6, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	5,000	$29.00	$145,000	Direct
Aug 6, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	9,292	$29.34	$272,604	Direct
Aug 6, 2026	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	14,292	$17.84	$254,969	Direct
Aug 5, 2026	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	5,849	$17.84	$104,346	Direct
Aug 5, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	5,849	$29.00	$169,638	Direct
May 4, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	3,506	$21.79	$76,396	Direct
May 1, 2026	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	6,815	-	$0	Direct
Apr 7, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	2,709	$22.20	$60,140	Direct
Apr 5, 2026	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	5,276	-	$0	Direct
Mar 26, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	3,171	$21.65	$68,652	Direct
Mar 26, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	37	$21.72	$804	Direct
Mar 25, 2026	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	4,177	$21.47	$89,680	Direct
Mar 25, 2026	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	6,178	-	$0	Direct
Mar 24, 2026	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	8,138	-	$0	Direct
Mar 6, 2026	ACAD ACADIA PHARMACEUTICALS INC	Award(A) Stock Option (Right to Buy)	90,691	-	-	Direct
Mar 6, 2026	ACAD ACADIA PHARMACEUTICALS INC	Award(A) Restricted Stock Units	26,382	-	-	Direct
Nov 18, 2025	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	10,262	$23.69	$243,114	Direct
Nov 17, 2025	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	9,913	-	-	Direct
Nov 17, 2025	ACAD ACADIA PHARMACEUTICALS INC	Exercise(M)	9,913	-	-	Direct
Sep 15, 2025	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	3,498	$23.65	$82,728	Direct
Sep 12, 2025	ACAD ACADIA PHARMACEUTICALS INC	Award(A)	6,815	-	-	Direct
Aug 18, 2025	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	22,000	$25.18	$554,024	Direct
May 16, 2025	ACAD ACADIA PHARMACEUTICALS INC	Sale(S)	2,000	$25.00	$50,000	Direct

1-25 of 38 transactions

About Schneyer Mark C.

Schneyer Mark C. (SEC CIK 0001899977) files insider reports with the SEC as EVP, CHIEF FINANCIAL OFFICER of ACADIA PHARMACEUTICALS INC (ACAD).

Signal8 holds 15 ownership filings by Schneyer Mark C., all Form 4s, filed between Nov 19, 2024 and Oct 30, 2026. Those filings report 38 transactions, from Nov 17, 2024 to Oct 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Schneyer Mark C.'s filings is in SAN DIEGO, CA.

Recent filings by Schneyer Mark C.

Oct 30, 2026: Open-market sale of ACAD shares (Form 4, code S).
Oct 15, 2026: Grant or award of ACAD shares (Form 4, code A).
Aug 6, 2026: Open-market sales of ACAD shares (2 lines, Form 4, code S).
Aug 6, 2026: Option exercise of ACAD shares (Form 4, code M).
Aug 5, 2026: Option exercise of ACAD shares (Form 4, code M).

Other insiders filing for ACADIA PHARMACEUTICALS INC (ACAD)

Thompson Elizabeth H.Z., EVP, Head of Research & Dev
Kihara James, PRINCIPAL ACCOUNTING OFFICER
BAKER BROS. ADVISORS LP, Director
HARRIGAN EDMUND, Director
Ndu Adora, Director
Brege Laura, Director

How to read Form 4 transaction codes