ACADIA Pharmaceuticals Inc. (ACAD) has 20 known insider and institutional holders on record. The largest holder is Baker Brothers Life Sciences LP with 38,469,981 shares. Other notable holders include 14159, L.P. and Adams Catherine Owen.
Over the last 12 months, insiders have made 45 transactions in ACAD stock — 12 buys (valued at $614.89K) and 17 sells (valued at $2.73M). Insider selling has exceeded buying during this period.
ACAD Insider Ownership
Top Holder
Baker Brothers Life Sciences LP
38,469,981 shares
Buys (12 mo)
12
$614.89K value
Sells (12 mo)
17
$2.73M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Baker Brothers Life Sciences Lp |
Director |
38,469,981 |
2022-06-09 |
|
| 2 |
14159, L.p. |
10 Percent Owner |
2,337,100 |
2016-01-08 |
|
| 3 |
Adams Catherine Owen |
Chief Executive Officer |
353,261 |
2024-09-25 |
|
| 4 |
Davis Stephen |
CEO |
173,520 |
2024-08-20 |
|
| 5 |
Stankovic Srdjan R. |
President |
63,081 |
2022-11-22 |
|
| 6 |
Williamson Douglas J |
Executive VP, Research & Dev |
50,655 |
2023-02-13 |
|
| 7 |
Kim Austin D. |
EVP,general Counsel, Secretary |
46,901 |
2024-01-09 |
|
| 8 |
Moore Terrence O |
EVP, Chief Commercial Officer |
33,750 |
2017-03-10 |
|
| 9 |
Garner Thomas |
EVP, Chief Commercial Officer |
28,493 |
2026-03-10 |
|
| 10 |
Baity Glenn |
EVP and Gc |
28,125 |
2018-04-20 |
|
| 11 |
Baker Bros. Advisors Lp |
10 Percent Owner |
27,586 |
2025-06-02 |
|
| 12 |
Owen Adams Catherine |
Chief Executive Officer |
26,444 |
2026-03-26 |
|
| 13 |
Garofalo Elizabeth A. |
Director |
25,382 |
2025-09-03 |
|
| 14 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
24,414 |
2026-03-26 |
|
| 15 |
Rhodes Jennifer J |
EVP, Chief Legal Officer, Sec |
15,124 |
2026-03-26 |
|
| 16 |
Brege Laura |
Director |
15,095 |
2025-06-05 |
|
| 17 |
Soland Daniel B |
Director |
13,059 |
2023-06-05 |
|
| 18 |
Teehan Brendan |
EVP, COO, Head of Commercial |
9,913 |
2024-11-19 |
|
| 19 |
Yang Michael J. |
EVP and Cco |
8,059 |
2021-01-08 |
|
| 20 |
Thompson Elizabeth H.z. |
EVP, Head of Research & Dev |
6,715 |
2026-03-26 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-26 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
Informative Sell |
37 |
$21.72 |
$803.54 |
| 2026-03-25 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
Option Exercise (Sell) |
6,178 |
- |
- |
| 2026-03-24 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
Option Exercise (Sell) |
8,138 |
- |
- |
| 2026-03-25 |
Thompson Elizabeth H.z. |
EVP, Head of Research & Dev |
Informative Sell |
3,435 |
$21.47 |
$73.75K |
| 2026-03-24 |
Thompson Elizabeth H.z. |
EVP, Head of Research & Dev |
Option Exercise |
6,715 |
- |
- |
| 2026-03-25 |
Owen Adams Catherine |
Chief Executive Officer |
Informative Sell |
11,641 |
$21.47 |
$249.93K |
| 2026-03-24 |
Owen Adams Catherine |
Chief Executive Officer |
Option Exercise |
23,509 |
- |
- |
| 2026-03-26 |
Kihara James |
Principal Accounting Officer |
Informative Sell |
12 |
$21.73 |
$260.70 |
| 2026-03-25 |
Kihara James |
Principal Accounting Officer |
Option Exercise (Sell) |
2,142 |
- |
- |
| 2026-03-24 |
Kihara James |
Principal Accounting Officer |
Option Exercise (Sell) |
1,627 |
- |
- |
| 2026-03-25 |
Rhodes Jennifer J |
EVP, Chief Legal Officer, Sec |
Informative Sell |
3,844 |
$21.47 |
$82.53K |
| 2026-03-24 |
Rhodes Jennifer J |
EVP, Chief Legal Officer, Sec |
Option Exercise |
7,515 |
- |
- |
| 2026-03-03 |
Poole Jonathan |
Director |
RSU Award |
2,010 |
- |
- |
| 2026-03-03 |
Poole Jonathan |
Officer |
Unknown |
- |
- |
- |
| 2026-03-06 |
Garner Thomas |
EVP, Chief Commercial Officer |
RSU Award |
28,493 |
- |
- |
| 2026-03-06 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
RSU Award |
26,382 |
- |
- |
| 2026-03-06 |
Thompson Elizabeth H.z. |
EVP, Head of Research & Dev |
RSU Award |
29,548 |
- |
- |
| 2026-03-06 |
Owen Adams Catherine |
Chief Executive Officer |
RSU Award |
76,509 |
- |
- |
| 2026-03-06 |
Kihara James |
Principal Accounting Officer |
RSU Award |
6,332 |
- |
- |
| 2026-03-06 |
Rhodes Jennifer J |
EVP, Chief Legal Officer, Sec |
RSU Award |
26,382 |
- |
- |
| 2026-02-09 |
Rhodes Jennifer J |
EVP, Chief Legal Officer, Sec |
Informative Sell |
6,950 |
$23.38 |
$162.49K |
| 2026-02-06 |
Rhodes Jennifer J |
EVP, Chief Legal Officer, Sec |
Option Exercise (Sell) |
12,944 |
- |
- |
| 2025-11-18 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
Informative Sell |
10,262 |
$23.69 |
$243.11K |
| 2025-11-17 |
Schneyer Mark C. |
EVP, Chief Financial Officer |
Option Exercise (Sell) |
9,913 |
- |
- |
| 2025-11-18 |
Kihara James |
Principal Accounting Officer |
Informative Sell |
4,084 |
$23.69 |
$96.75K |
