CATALYST4, INC. purchased 21.0% of their position (4.40M shares) of MAPLIGHT THERAPEUTICS, INC. on the open market
Open‑market purchase worth $50.07M — a significant purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 8/18/2026ACC: 0001900201-26-000005
10% Owner
Since Oct 2025
+7.33M
Net shares
Net buyer
$50.07M
Total acquired
1
Open market trades
1B · 0S
2
Total transactions
7.33M acquired
Non-Derivative Transactions1
Voting Common Stock
Indirect
Shares
+4.40M
Price / share
$11.38
Trade value
$50.07M
% of position
21.0%
8/14/2026
20.91M→25.31M
Total
Net shares
+4.40M
Net value
$50.07M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Voting Common Stock Indirect | 8/14/2026 | P · Purchase | +4.40M | $11.38 | $50.07M | 21.0% | 20.91M | 25.31M |
| Total | +4.40M | $50.07M | ||||||
Derivative Transactions1
Warrants (right to buy)
Indirect
Converts to
Voting Common Stock
2.93M shares
Shares
+2.93M
Strike price
0.0001
Held after
2.93M
Exercisable
—
8/14/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Warrants (right to buy) Indirect | Voting Common Stock2.93M shares | 8/14/2026 | P · Purchase | +2.93M | 0.0001 | — | 2.93M |