Who
Catalyst4, Inc.
10% owner
Company insider
Files Form 4 as: 10% owner, MapLight Therapeutics.
In numbers
- Trades disclosed
- 20
- Buys
- 5
- Sells
- 0
- Bought
- $223.3M
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 28 Oct 2025
- Last trade
- 14 Aug 2026
- Last filed
- 18 Aug 2026
Companies traded
Activity over time
1 Oct 2025 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 14 Aug 2026filed 18 Aug 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $50.1M4,400,000 at $11.38 | filing |
| 14 Aug 2026filed 18 Aug 2026 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code P | $33.3M2,928,686 at $11.38 | filing |
| 14 Aug 2026filed 18 Aug 2026 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code P | $33.3M2,928,686 at $11.38 | filing |
| 14 Aug 2026filed 18 Aug 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $50.1M4,400,000 at $11.38 | filing |
| 30 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $13.0M1,000,000 at $13.00 | filing |
| 30 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $13.0M1,000,000 at $13.00 | filing |
| 29 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $38K3,000 at $12.63 | filing |
| 29 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $38K3,000 at $12.63 | filing |
| 28 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $1.5M141,088 at $10.74 | filing |
| 28 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $761K65,137 at $11.69 | filing |
| 28 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $1.5M141,088 at $10.74 | filing |
| 28 Jul 2026filed 30 Jul 2026 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $761K65,137 at $11.69 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code C | —148,809 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code C | —444,846 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code C | —1,263,768 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code C | —275,148 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code C | —5,444,807 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code C | —6,678,910 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Code C | —14,256,288 | filing |
| 28 Oct 2025filed 29 Oct 2025 | MPLT MapLight TherapeuticsBiotechnology | SEC FORM 4 Bought | $92.5M5,441,176 at $17.00 | filing |
News
No headline names them, or the companies they trade most, lately.