The $13M purchase by a 10% owner at $13.00 is a powerful vote of confidence, especially given MPLT's 94% analyst bullish consensus. However, the CSO's sale at $12.54 (higher than the buy price) warrants monitoring for further insider selling. The cross-filing context shows only one other insider sale in the prior 7 days, suggesting the CSO's sale may be liquidity-driven. Watch for any upcoming catalyst (e.g., pipeline update) that could explain the 10% owner's conviction.
Price Chart
Executive Summary
A mixed insider cluster at MapLight Therapeutics shows a 10% owner (Catalyst4, Inc.) making a $13M open-market purchase at $13.00/share, while the Chief Scientific Officer sold $277K worth at $12.54. The $13M buy from a major holder is a strong bullish signal, representing ~2.3% of market cap, but the CSO's sale at a higher price introduces a bearish counterpoint. The cluster's net direction is mixed, but the magnitude of the 10% owner's buy dominates the signal.
Key Financial Metrics
Key Facts
- 10% owner Catalyst4, Inc. purchased 1.00M shares for $13.00M in open market at $13.00/share on 2026-07-30
- Chief Scientific Officer Lillie James Woodruff sold 22,082 shares for $276,908 at $12.54 on 2026-08-03
- Director Cox Troy purchased 15,600 shares for $149K at $9.52 on 2026-07-28
- Total cluster value $13.43M with net direction mixed; $13M buy from 10% owner is ~2.3% of $569M market cap
Financial Impact
10% owner's $13M open-market purchase represents ~2.3% of market cap, a highly material insider buy
Risk Factors
- CSO sold at a higher price than the 10% owner's buy, creating a potential divergence in insider sentiment
- Biotech sector volatility could overshadow insider signals
- Single large buy from one holder may not reflect broader insider consensus
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MPLT-1785890426935 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 16, 2026 10d ago | Insider Cluster | $8.00 | awaiting T+20 | — | $7.66 (+4.25%) |
Oct 15, 2026 11d ago | 144 | $7.70 | awaiting T+20 | — | $7.66 (−0.52%) |
Oct 15, 2026 11d ago | 144 | $7.70 | awaiting T+20 | — | $7.66 (−0.52%) |
Oct 15, 2026 11d ago | 144 | $7.70 | awaiting T+20 | — | $7.66 (−0.52%) |
Sep 24, 2026 4w ago | EFFECT | $10.76 $8.25 | ▼ −23.33% | ▼ −22.91% | $7.66 (−28.81%) |
Sep 18, 2026 5w ago | S-1/A | $10.90 $8.00 | ▼ −26.61% | ▼ −25.70% | $7.66 (−29.72%) |
Aug 4, 2026 11w ago | Insider Cluster | $12.92 $13.06 | ▲ +1.08% | ▲ +1.69% | $7.66 (−40.71%) |
Aug 3, 2026 12w ago | 144 | $12.94 $13.31 | ▲ +2.86% | ▲ +4.10% | $7.66 (−40.80%) |
Jul 30, 2026 12w ago | 144 | $13.02 $12.60 | ▲ +3.23% | ▲ +6.21% | $7.66 (+41.17%) |
Jul 28, 2026 12w ago | Insider Buy | $15.02 $12.86 | ▼ −14.38% | ▼ −19.40% | $7.66 (−49.00%) |
US Market Status
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