Grace Wong-Sarad - 20 Jun 2025 Form 3 Insider Report for Alector, Inc. (ALEC)

Role
Principal Accounting Officer
Signature
/s/ Grace Wong-Sarad
Issuer symbol
ALEC
Transactions as of
20 Jun 2025
Net transactions value
$0
Form type
3
Filing time
30 Jun 2025, 16:45:04 UTC
Next filing
04 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wong-Sarad Grace Principal Accounting Officer C/O ALECTOR, INC., 131 OYSTER POINT BLVD, SUITE 600, SOUTH SAN FRANCISCO /s/ Grace Wong-Sarad 30 Jun 2025 0002074667

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ALEC Common Stock 109,358 20 Jun 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 20,000 $16.46 Direct F2
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 13,842 $17.15 Direct F2
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 20,454 $10.24 Direct F2
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 10,228 $13.56 Direct F2
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 11,552 $23.70 Direct F3
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 11,309 $9.46 Direct F4
holding ALEC Employee Stock Option (right to buy) 20 Jun 2025 Common Stock 2,845 $1.10 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Of the reported shares, 60,841 are represented by restricted stock units, or RSUs, which vest as follows: (i) 3,148 RSUs vest in two equal quarterly installments beginning on September 1, 2025; (ii) 6,252 RSUs vest in three equal quarterly installments beginning on September 1, 2025; (iii) 3,334 RSUs vest in four equal quarterly installments beginning on September 1, 2025; (iv) 15,973 RSUs vest in five equal quarterly installments beginning on September 1, 2025; and (v) 32,134 RSUs vest in nine equal quarterly installments beginning on September 1, 2025.
F2 The shares subject to the option are fully vested and immediately exercisable.
F3 Shares subject to the option vest in 48 equal monthly installments beginning on November 1, 2021.
F4 Shares subject to the option vest in 48 equal monthly installments beginning on November 1, 2022.
F5 Shares subject to the option vest in 12 equal monthly installments beginning on June 1, 2025.