InsiderTrades

Form 4 for ALEC Alector, Inc.

Accepted 2026-03-13 00:00:00 ET · period of report 2026-03-13 · accession 0001193125-26-106246 · 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
2026-03-13 2026-03-15 ALEC Berkley Neil Lindsay CFO, Chief Business Off A - Grant $0.00 +54.6K 399.3K +16% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-15 A A 54,600 $0.00 399,260 D — — (F1) The reported shares are represented by restricted stock units, or RSUs, one half (1/2) of the total shares shall vest on September 1, 2026 and one half (1/2th) of the total shares shall vest on March 1, 2027.