This is a mandatory tax-withholding sale tied to RSU vesting, not a discretionary insider exit. The dollar amount is immaterial relative to market cap. No bearish signal — the insider is not reducing a discretionary position. Monitor for any subsequent Form 4 filings that could show a change in pattern, but this filing alone warrants no trading action.
Price Chart
Executive Summary
Officer Lillie James Woodruff filed a Form 144 to sell 18,835 shares of MapLight Therapeutics common stock, with an approximate market value of $714,035 based on a $37.90 reference price. The shares were acquired through restricted stock unit grants from 2023-2025, and the sale is noted as being solely to satisfy tax-withholding obligations related to RSU vesting. This is a routine insider sale for tax purposes, not a discretionary portfolio reduction, and carries minimal signaling value.
Key Facts
- Insider Lillie James Woodruff (Officer) filed Form 144 to sell 18,835 shares of MPLT common stock.
- Estimated sale value: ~$714,035 based on a reference price of $37.90 per share.
- Shares were acquired via RSU grants dated 05/02/2024, 07/30/2023, 11/09/2023, and 07/18/2025.
- The filing explicitly states the sale is 'solely to satisfy tax-withholding obligations in connection w/ RSU vesting'.
- The selling broker is Jefferies LLC.
- The insider has sold shares in multiple prior transactions in April-May 2026, all similarly described as tax-withholding sales.
Financial Impact
~$714,000 sale (0.04% of $1.7B market cap) for tax withholding on RSU vesting
Risk Factors
- If the insider files additional Form 144s for discretionary sales in the coming weeks, the pattern would shift to more concerning.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001974158-26-000078 |
| Document: 0001974158-26-000078-index.html | 0001974158-26-000078 |
| Document: 0001974158-26-000078.txt | 0001974158-26-000078 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 16, 2026 11d ago | Insider Cluster | $8.00 | awaiting T+20 | — | $8.17 (−2.13%) |
Oct 15, 2026 12d ago | 144 | $7.70 | awaiting T+20 | — | $8.17 (+6.10%) |
Oct 15, 2026 12d ago | 144 | $7.70 | awaiting T+20 | — | $8.17 (+6.10%) |
Oct 15, 2026 12d ago | 144 | $7.70 | awaiting T+20 | — | $8.17 (+6.10%) |
Sep 24, 2026 4w ago | EFFECT | $10.76 $8.25 | ▼ −23.33% | ▼ −22.91% | $8.17 (−24.07%) |
Sep 18, 2026 5w ago | S-1/A | $10.90 $8.00 | ▼ −26.61% | ▼ −25.70% | $8.17 (−25.05%) |
Aug 4, 2026 12w ago | Insider Cluster | $12.92 $13.06 | ▲ +1.08% | ▲ +1.69% | $8.17 (−36.76%) |
Aug 3, 2026 12w ago | 144 | $12.94 $13.31 | ▲ +2.86% | ▲ +4.10% | $8.17 (−36.86%) |
Jul 30, 2026 12w ago | 144 | $13.02 $12.60 | ▲ +3.23% | ▲ +6.21% | $8.17 (+37.25%) |
Jul 28, 2026 13w ago | Insider Buy | $15.02 $12.86 | ▼ −14.38% | ▼ −19.40% | $8.17 (−45.61%) |
US Market Status
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