InsiderTrades

Form 4 for ALEC Alector, Inc.

Accepted 2025-12-08 00:00:00 ET · period of report 2025-12-05 · accession 0002074667-25-000008 · 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
2025-12-08 2025-12-05 ALEC Wong-Sarad Grace Principal Accounting Off S - Sale $1.21 -4,753 123.0K -4% -$5,751

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-05 S D 4,753 $1.21 122,982 D — —