CATALYST4, INC. purchased 6.1% of their position (1.21M shares) of MAPLIGHT THERAPEUTICS, INC. on the open market
Open‑market purchase worth $15.31M — a moderate purchase. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 7/30/2026ACC: 0001900201-26-000003
10% Owner
Since Oct 2025
+1.21M
Net shares
Net buyer
$15.31M
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
1.21M acquired
Non-Derivative Transactions4
Voting Common Stock
Indirect
Shares
+141.09K
Price / share
$10.74
Trade value
$1.52M
% of position
0.7%
7/28/2026
19.70M→19.84M
Voting Common Stock
Indirect
Shares
+65.14K
Price / share
$11.69
Trade value
$761.39K
% of position
0.3%
7/28/2026
19.84M→19.90M
Voting Common Stock
Indirect
Shares
+3K
Price / share
$12.63
Trade value
$37.89K
% of position
0.0%
7/29/2026
19.90M→19.91M
Voting Common Stock
Indirect
Shares
+1M
Price / share
$13.00
Trade value
$13M
% of position
5.0%
7/30/2026
19.91M→20.91M
Total
Net shares
+1.21M
Net value
$15.31M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Voting Common Stock Indirect | 7/28/2026 | P · Purchase | +141.09K | $10.74 | $1.52M | 0.7% | 19.70M | 19.84M |
| Voting Common Stock Indirect | 7/28/2026 | P · Purchase | +65.14K | $11.69 | $761.39K | 0.3% | 19.84M | 19.90M |
| Voting Common Stock Indirect | 7/29/2026 | P · Purchase | +3K | $12.63 | $37.89K | 0.0% | 19.90M | 19.91M |
| Voting Common Stock Indirect | 7/30/2026 | P · Purchase | +1M | $13.00 | $13M | 5.0% | 19.91M | 20.91M |
| Total | +1.21M | $15.31M | ||||||
Derivative Transactions0
No derivative transactions reported