This is a standard tax-withholding sale by an officer upon RSU vesting — no independent directional signal. Monitor for any subsequent Form 4 filings that would confirm actual execution, but the disclosed purpose makes this a non-event for trading.
Price Chart
Executive Summary
Jonathan Gillis, an officer of MapLight Therapeutics, filed a Form 144 notice of intent to sell 10,167 shares of common stock, with an estimated aggregate market value of approximately $44.85 million based on a filing date of October 15, 2026. The shares to be sold are sourced from restricted stock unit grants dating back to 2023-2025, and the filing notes that the sale is solely to satisfy tax-withholding obligations in connection with RSU vesting. This is a routine, tax-motivated insider sale that does not signal a change in the insider's view of the company's prospects.
Key Facts
- Insider Jonathan Gillis (Officer) filed Form 144 to sell 10,167 shares of common stock.
- Estimated aggregate market value of the proposed sale: ~$44.85 million.
- Sale is explicitly to satisfy tax-withholding obligations related to RSU vesting.
- Shares were acquired via RSU grants on multiple dates from July 2023 through August 2026.
- Filing date: October 15, 2026.
Financial Impact
Proposed sale of 10,167 shares valued at ~$44.85 million, representing a routine tax-withholding sale tied to RSU vesting.
Risk Factors
- If the actual sale exceeds the disclosed amount or is followed by additional insider sales without tax-related explanations, it could signal a change in insider sentiment.
- The large dollar value (~$44.85M) relative to a typical biotech market cap could draw attention, but the tax-withholding rationale mitigates concern.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001974158-26-000107 |
| Document: 0001974158-26-000107-index.html | 0001974158-26-000107 |
| Document: 0001974158-26-000107.txt | 0001974158-26-000107 |
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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