Wong-Sarad Grace 4

What Happened Wong-Sarad Grace, Principal Accounting Officer of Alector, sold 4,079 shares on February 26, 2026, at $2.50 per share, for total proceeds of $10,198. The Form 4 reports this as a disposition (transaction code S), meaning shares were sold rather than acquired.

Key Details

• Transaction date and price: 2026-02-26 — 4,079 shares sold at $2.50 each; total $10,198.
• Transaction type: Sale (open market or private sale), reported as S / "Disposed."
• Shares owned after transaction: Not specified in the provided Form 4 details.
• Footnote: Sale was executed under a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2025 (pre-planned trades).
• Filing timeliness: Report filed with period date 2026-02-26 and accession filed 2026-02-26 — appears timely (no late filing indicated).

Context Sales by executives can be routine (diversification, pre-set plans, tax needs) rather than a signal about company prospects. The footnote indicates this sale was made under a 10b5-1 trading plan, which is a pre-established schedule that generally reduces the likelihood the sale reflects a new view on company fundamentals. The dollar amount of this sale ($~10.2k) is relatively small; larger or clustered insider purchases/sales often attract more attention from investors.