Robert Paul - Aug 9, 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
Chief Medical Officer
Signature
/s/ David Oh, attorney-in-fact
Stock symbol
ALEC
Transactions as of
Aug 9, 2021
Transactions value $
-$378,522
Form type
4
Date filed
8/11/2021, 06:23 PM
Previous filing
Jul 8, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Options Exercise $79.1K +9.69K +4.14% $8.16 244K Aug 9, 2021 Direct
transaction ALEC Common Stock Options Exercise $88.6K +8.73K +3.58% $10.14 253K Aug 9, 2021 Direct
transaction ALEC Common Stock Options Exercise $77.6K +4.53K +1.79% $17.15 257K Aug 9, 2021 Direct
transaction ALEC Common Stock Sale -$615K -22.7K -8.8% $27.17 235K Aug 9, 2021 Direct F1, F2
transaction ALEC Common Stock Sale -$8.34K -300 -0.13% $27.79 234K Aug 9, 2021 Direct F1, F3

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
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -9.69K -10.69% $0.00 81K Aug 9, 2021 Common Stock 9.69K $8.16 Direct F4
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -8.73K -21.84% $0.00 31.3K Aug 9, 2021 Common Stock 8.73K $10.14 Direct F5
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -4.53K -5.09% $0.00 84.5K Aug 9, 2021 Common Stock 4.53K $17.15 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sales reported by the reporting person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 28, 2020.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.71 to $27.67, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.71 to $27.83, inclusive.
F4 Shares subject to the option vest in 48 equal monthly installments beginning on August 2, 2018.
F5 One-fourth of the total number of shares subject to the option grant vested on November 1, 2019, and an additional 1/48th of the shares subject vest monthly thereafter.
F6 Shares subject to the option vest in 48 equal monthly installments beginning on December 6, 2019.