The dollar amount is too small relative to market cap to be material. Monitor for any upcoming 8-K filings (earnings, pipeline updates, or financing) that could explain the timing, but the cluster alone does not warrant a bearish stance.
Price Chart
Executive Summary
CEO Arnon Rosenthal and CFO Neil Berkley sold a combined $210K in open-market sales on June 2, 2026, with the CEO alone accounting for $172K. The cluster represents ~0.1% of Alector's $216M market cap, falling at the trivial-to-modest threshold.
Key Financial Metrics
Key Facts
- CEO Arnon Rosenthal sold 87,216 shares at $1.97 for $172K on June 2, 2026
- CFO Neil Berkley sold 19,360 shares at $1.97 for $38K on June 2, 2026
- Total cluster value of $210K represents ~0.1% of Alector's $216M market cap
- Principal Accounting Officer Grace Wong-Sarad also sold 9,184 shares ($18K) on June 2-3, 2026
- All sales were open-market transactions; no 10b5-1 plan designation noted
Financial Impact
Total insider sales of $228K over the cluster window, representing ~0.1% of market cap
Risk Factors
- CEO selling 87K shares could be perceived negatively by retail investors despite small relative size
- No 10b5-1 plan disclosed — sales may be opportunistic rather than scheduled
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ALEC-1780522247847 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | SC 13G | — | awaiting T+60 | — | — |
Oct 23, 2026 3d ago | SC 13G | $1.84 | awaiting T+60 | — | $1.83 (−0.33%) |
Oct 16, 2026 10d ago | 424B5 | $1.95 | awaiting T+60 | — | $1.83 (+6.15%) |
Oct 16, 2026 10d ago | 8-K | $1.95 | awaiting T+60 | — | $1.83 (+6.15%) |
Oct 14, 2026 12d ago | 8-K | $1.88 | awaiting T+60 | — | $1.83 (−2.66%) |
Oct 5, 2026 21d ago | 8-K | $1.99 | awaiting T+60 | — | $1.83 (−8.04%) |
Oct 5, 2026 21d ago | Press Release | $1.99 | awaiting T+60 | — | $1.83 (−8.04%) |
Sep 18, 2026 5w ago | SC 13G | $1.93 | awaiting T+60 | — | $1.83 (−5.18%) |
Sep 4, 2026 7w ago | Insider Cluster | $2.47 | awaiting T+60 | — | $1.83 (−25.91%) |
Aug 15, 2026 10w ago | Institutional Cluster | $2.05 | awaiting T+60 | — | $1.83 (−10.73%) |
US Market Status
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