InsiderTrades

Form 4 for ALEC Alector, Inc.

Accepted 2026-06-03 17:30:14 ET · period of report 2026-06-02 · accession 0001193125-26-255814 · 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
M 2026-06-03 17:30 2026-06-02+ ALEC Wong-Sarad Grace Principal Accounting Off S - Sale $1.94 -9,184 95.5K -9% -$17.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-02 S D 5,709 $1.97 98,936 D — — (F1) The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs. (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.92 to $2.08. 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.
2 Common Common Stock 2026-06-03 S D 3,475 $1.88 95,461 D — — (F3) 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. (F4) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.86 to $1.94. 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.