Mark C. Schneyer, EVP and Chief Financial Officer of ACADIA Pharmaceuticals Inc. ($ACAD), sold shares on the open market seven times in the last year, totaling about $1.08 million. His most recent sale occurred on November 18, 2025. These ACAD insider sales rank 4,747th among 11,678 individual insiders, below the average of $8.6 million per seller and 6.4 transactions. Schneyer made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 24, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 8138 | $0.00 | 61,476.0000 | 170,650,000 | 15.26% | 0.00% |
| March 25, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 6178 | $0.00 | 12,358.0000 | 170,650,000 | 33.33% | 0.00% |
| March 24, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 8138 | $0.00 | 24,414.0000 | 170,650,000 | 25.00% | 0.00% |
| March 26, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 37 | $21.72 | 60,269.0000 | 170,650,000 | 0.06% | 0.00% |
| March 26, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 3171 | $21.65 | 60,306.0000 | 170,650,000 | 5.00% | 0.00% |
| March 25, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 4177 | $21.47 | 57,299.0000 | 170,650,000 | 6.79% | 0.00% |
| March 25, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 6178 | $0.00 | 63,477.0000 | 170,650,000 | 10.78% | 0.00% |
| March 6, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Restricted Stock Units | 26382 | $0.00 | 26,382.0000 | 170,650,000 | 9999.99% | 0.02% |
| March 6, 2026 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Stock Option (Right to Buy) | 90691 | $0.00 | 90,691.0000 | 170,650,000 | 9999.99% | 0.05% |
| Nov. 18, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 10262 | $23.69 | 53,338.0000 | 170,650,000 | 16.14% | 0.01% |
| Nov. 17, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 9913 | $0.00 | 63,600.0000 | 170,650,000 | 18.46% | 0.01% |
| Nov. 17, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 9913 | $0.00 | 53,687.0000 | 170,650,000 | 22.65% | 0.01% |
| Nov. 17, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 9913 | $0.00 | 0.0000 | 170,650,000 | 100.00% | 0.01% |
| Nov. 17, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 9913 | $0.00 | 0.0000 | 170,650,000 | 100.00% | 0.01% |
| Sept. 12, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Common Stock | 6815 | $0.00 | 46,945.0000 | 166,362,000 | 16.98% | 0.00% |
| Sept. 15, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 3498 | $23.65 | 43,447.0000 | 166,362,000 | 7.45% | 0.00% |
| Aug. 18, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 22000 | $25.18 | 40,130.0000 | 166,362,000 | 35.41% | 0.01% |
| May 16, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 2000 | $25.00 | 62,130.0000 | 166,362,000 | 3.12% | 0.00% |
| May 2, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 3498 | $14.60 | 62,773.0000 | 166,362,000 | 5.28% | 0.00% |
| May 1, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 6815 | $0.00 | 66,271.0000 | 166,362,000 | 11.46% | 0.00% |
| May 1, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 6815 | $0.00 | 13,630.0000 | 166,362,000 | 33.33% | 0.00% |
| April 8, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 2708 | $14.82 | 59,456.0000 | 166,362,000 | 4.36% | 0.00% |
| April 5, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 5275 | $0.00 | 62,164.0000 | 166,362,000 | 9.27% | 0.00% |
| April 5, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 5275 | $0.00 | 5,276.0000 | 166,362,000 | 50.00% | 0.00% |
| March 25, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 6178 | $0.00 | 18,536.0000 | 166,362,000 | 25.00% | 0.00% |
| March 25, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 6178 | $0.00 | 60,060.0000 | 166,362,000 | 11.47% | 0.00% |
| March 26, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 3171 | $17.05 | 56,889.0000 | 166,362,000 | 5.28% | 0.00% |
| March 24, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Stock Option (Right to Buy) | 110761 | $0.00 | 110,761.0000 | 166,362,000 | 9999.99% | 0.07% |
| March 24, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Restricted Stock Units | 32552 | $0.00 | 32,552.0000 | 166,362,000 | 9999.99% | 0.02% |
| Feb. 23, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 1353 | $0.00 | 54,655.0000 | 166,362,000 | 2.54% | 0.00% |
| Feb. 24, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 773 | $19.96 | 53,882.0000 | 166,362,000 | 1.41% | 0.00% |
| Feb. 23, 2025 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 1353 | $0.00 | 0.0000 | 166,362,000 | 100.00% | 0.00% |
| Nov. 17, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 9913 | $0.00 | 9,913.0000 | 166,178,000 | 50.00% | 0.01% |
| Nov. 17, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 9913 | $0.00 | 53,648.0000 | 166,178,000 | 22.67% | 0.01% |
| Nov. 17, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 9913 | $0.00 | 63,561.0000 | 166,178,000 | 18.48% | 0.01% |
| Nov. 17, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 9913 | $0.00 | 9,913.0000 | 166,178,000 | 50.00% | 0.01% |
| Nov. 19, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 10259 | $16.81 | 53,302.0000 | 166,178,000 | 16.14% | 0.01% |
| Aug. 16, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Common Stock | 13629 | $0.00 | 53,468.0000 | 163,819,000 | 34.21% | 0.01% |
| Aug. 19, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 9733 | $15.28 | 43,735.0000 | 163,819,000 | 18.20% | 0.01% |
| Aug. 16, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Common Stock | 5275 | $0.00 | 39,839.0000 | 163,819,000 | 15.26% | 0.00% |
| June 8, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 1893 | $0.00 | 35,539.0000 | 163,819,000 | 5.63% | 0.00% |
| June 8, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 1893 | $0.00 | 0.0000 | 163,819,000 | 100.00% | 0.00% |
| June 10, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 975 | $14.79 | 34,564.0000 | 163,819,000 | 2.74% | 0.00% |
| May 2, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 3503 | $16.94 | 32,053.0000 | 163,819,000 | 9.85% | 0.00% |
| May 1, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 6814 | $0.00 | 35,556.0000 | 163,819,000 | 23.71% | 0.00% |
| May 1, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 6814 | $0.00 | 20,445.0000 | 163,819,000 | 25.00% | 0.00% |
| April 5, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 5275 | $0.00 | 10,551.0000 | 163,819,000 | 33.33% | 0.00% |
| April 8, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 2716 | $17.87 | 28,742.0000 | 163,819,000 | 8.63% | 0.00% |
| April 5, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 5275 | $0.00 | 31,458.0000 | 163,819,000 | 20.15% | 0.00% |
| March 25, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Stock Options (Right to Buy) | 80564 | $0.00 | 80,564.0000 | 163,819,000 | 9999.99% | 0.05% |
| March 25, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Common Stock | 10550 | $0.00 | 31,617.0000 | 163,819,000 | 50.08% | 0.01% |
| March 25, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | A | Restricted Stock Units | 24714 | $0.00 | 24,714.0000 | 163,819,000 | 9999.99% | 0.02% |
| March 27, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 5434 | $17.90 | 26,183.0000 | 163,819,000 | 17.19% | 0.00% |
| Feb. 23, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Restricted Stock Units | 1353 | $0.00 | 1,353.0000 | 163,819,000 | 50.00% | 0.00% |
| Feb. 23, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | M | Common Stock | 1353 | $0.00 | 21,839.0000 | 163,819,000 | 6.60% | 0.00% |
| Feb. 26, 2024 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | S | Common Stock | 772 | $24.67 | 21,067.0000 | 163,819,000 | 3.53% | 0.00% |
| Nov. 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 4956 | $0.00 | 19,826.0000 | 161,683,000 | 20.00% | 0.00% |
| Nov. 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 4956 | $0.00 | 20,638.0000 | 161,683,000 | 31.60% | 0.00% |
| Nov. 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 4956 | $0.00 | 25,594.0000 | 161,683,000 | 24.01% | 0.00% |
| Nov. 20, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | S | Common Stock | 5108 | $22.64 | 20,486.0000 | 161,683,000 | 19.96% | 0.00% |
| Nov. 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 4956 | $0.00 | 19,826.0000 | 161,683,000 | 20.00% | 0.00% |
| Aug. 21, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | S | Common Stock | 10000 | $29.00 | 15,682.0000 | 161,683,000 | 38.94% | 0.01% |
| June 8, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 1893 | $0.00 | 23,798.0000 | 161,683,000 | 8.64% | 0.00% |
| June 8, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | S | Common Stock | 974 | $25.02 | 22,824.0000 | 161,683,000 | 4.09% | 0.00% |
| June 8, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 1893 | $0.00 | 1,893.0000 | 161,683,000 | 50.00% | 0.00% |
| May 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 14869 | $0.00 | 22,346.0000 | 161,683,000 | 198.86% | 0.01% |
| May 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 14869 | $0.00 | 37,215.0000 | 161,683,000 | 66.54% | 0.01% |
| May 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | S | Common Stock | 15310 | $22.50 | 21,905.0000 | 161,683,000 | 41.14% | 0.01% |
| May 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 14869 | $0.00 | 24,782.0000 | 161,683,000 | 37.50% | 0.01% |
| May 17, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 14869 | $0.00 | 24,782.0000 | 161,683,000 | 37.50% | 0.01% |
| May 1, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | A | Restricted Stock Units | 27259 | $0.00 | 27,259.0000 | 161,683,000 | 9999.99% | 0.02% |
| May 1, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | A | Stock Options (Right to Buy) | 89936 | $0.00 | 89,936.0000 | 161,683,000 | 9999.99% | 0.06% |
| April 6, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | S | Common Stock | 1916 | $18.16 | 7,477.0000 | 161,683,000 | 20.40% | 0.00% |
| April 5, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 5275 | $0.00 | 15,826.0000 | 161,683,000 | 25.00% | 0.00% |
| April 5, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 5275 | $0.00 | 9,393.0000 | 161,683,000 | 128.10% | 0.00% |
| Feb. 24, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | S | Common Stock | 577 | $18.78 | 4,118.0000 | 161,683,000 | 12.29% | 0.00% |
| Feb. 23, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Common Stock | 1353 | $0.00 | 4,695.0000 | 161,683,000 | 40.48% | 0.00% |
| Feb. 23, 2023 | ACADIA PHARMACEUTICALS INC | $ACAD | Schneyer Mark C. | EVP, Chief Financial Officer | M | Restricted Stock Units | 1353 | $0.00 | 2,706.0000 | 161,683,000 | 33.33% | 0.00% |