InsiderTrades

Form 4 for ALEC Alector, Inc.

Accepted 2026-04-17 17:30:53 ET · period of report 2026-04-16 · accession 0001193125-26-161848 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
T 2026-04-17 17:30 2026-04-16 ALEC Wong-Sarad Grace Principal Accounting Off S - Sale $2.65 -1,820 104.6K -2% -$4,823

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-16 S D 1,820 $2.65 104,645 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on September 5, 2025.