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

Alector's Principal Accounting Officer, Grace Wong-Sarad, sold 4,753 shares of common stock for $1.21 per share under a pre-arranged trading plan.

Summary

• Grace Wong-Sarad, Principal Accounting Officer of Alector, Inc., reported a sale of common stock.
• A total of 4,753 shares were sold on December 5, 2025.
• The shares were sold at a price of $1.21 per share.
• The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on September 5, 2025.
• Following this transaction, Grace Wong-Sarad beneficially owns 122,982 shares of Alector, Inc. common stock directly.

Sentiment

Score: 5

Explanation: A neutral score as this is a routine insider transaction under a 10b5-1 plan, which typically does not reflect new sentiment about the company's prospects. It's a planned sale, not a reactive one.

Future Outlook

NA

Industry Context

This is a routine insider transaction report and does not provide specific industry context. Insider sales, especially those under 10b5-1 plans, are common for executive compensation and personal financial planning.

Stakeholder Impact

• Shareholders may observe a slight decrease in insider ownership, though sales under 10b5-1 plans are generally considered less impactful than open market sales without such a plan, as they are pre-scheduled.

Key Dates

Keywords

Alector Inc., ALEC, Insider Trading, Form 4, Stock Sale, Grace Wong-Sarad, 10b5-1 Plan, Principal Accounting Officer