Form 4: Alector Officer Sells Shares Under 10b5-1 Plan

Alector's Principal Accounting Officer, Grace Wong-Sarad, sold 3,367 shares of common stock for a weighted average price of $2.0826 per share under a pre-arranged trading plan.

Summary

• Grace Wong-Sarad, the Principal Accounting Officer of Alector, Inc. (ALEC), reported a sale of common stock.
• A total of 3,367 shares of Alector common stock were disposed of on March 3, 2026.
• The shares were sold at a weighted average price of $2.0826 per share, with individual transactions ranging from $2.06 to $2.12.
• Following this transaction, Grace Wong-Sarad beneficially owns 107,465 shares of Alector common stock.
• The sale was executed pursuant to a Rule 10b5-1 Trading Plan, which was adopted by the reporting person on September 5, 2025.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a largely neutral event. While it is an insider sale, its execution under a pre-arranged 10b5-1 plan mitigates potential negative sentiment, indicating a planned personal financial move rather than a reaction to new company-specific information.

Negatives

• An insider sale, even under a 10b5-1 plan, can sometimes be perceived with slight caution by investors, though it is often for personal financial management.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

StockSavvy.ai notes that insider sales executed under Rule 10b5-1 trading plans are a common practice for corporate executives. These plans allow insiders to pre-arrange sales of company stock at a future date, providing an affirmative defense against claims of trading on material non-public information. Such transactions are typically for personal financial planning, diversification, or liquidity needs and are generally viewed as routine within the industry.

Stakeholder Impact

• Shareholders: May observe a minor, routine insider sale, which is generally not expected to have a significant impact on their investment decisions, especially given the 10b5-1 plan.

Key Dates

Recommendation

This Form 4 reports a routine, pre-scheduled insider sale by a Principal Accounting Officer, which is common for personal financial management and diversification. It does not provide new material information about the company's operational performance or strategic direction that would alter an investment thesis. Therefore, a 'hold' recommendation is appropriate as this specific filing does not present a compelling reason to change an existing position.

Keywords

Alector, ALEC, Form 4, Insider Transaction, Stock Sale, 10b5-1 Plan, Grace Wong-Sarad