InsiderTrades

Form 4 for ALEC Alector, Inc.

Accepted 2025-12-03 00:00:00 ET · period of report 2025-12-03 · accession 0002075298-25-000006 · 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
2025-12-03 2025-12-03 ALEC Berkley Neil Lindsay Chief Bus Ofcr, Interim CFO S - Sale $1.12 -37.3K 374.3K -9% -$41.7K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-03 S D 37,261 $1.12 374,309 D — — (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.095 to $1.14. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.