InsiderTrades

Form 4 for ALEC Alector, Inc.

Accepted 2025-03-05 00:00:00 ET · period of report 2025-03-03 · accession 0000950170-25-033530 · 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
2025-03-05 2025-03-03 ALEC Rosenthal Arnon CEO, Dir S - Sale $1.47 -40.3K 2.47M -2% -$59.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-03-03 S D 40,330 $1.47 2,466,744 D — — (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.4673 to $1.4674. 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.