Shehnaaz Suliman - Dec 10, 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
President and COO
Signature
/s/ David Oh, by power of attorney
Stock symbol
ALEC
Transactions as of
Dec 10, 2021
Transactions value $
-$640,816
Form type
4
Date filed
12/14/2021, 07:23 PM
Previous filing
Dec 10, 2021
Next filing
Jun 17, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Options Exercise $1.29M +75K +73.1% $17.23 178K Dec 10, 2021 Direct
transaction ALEC Common Stock Sale -$1.43M -66.1K -37.23% $21.69 111K Dec 10, 2021 Direct F1, F2
transaction ALEC Common Stock Sale -$198K -8.87K -7.96% $22.33 103K Dec 10, 2021 Direct F1, F3
transaction ALEC Common Stock Options Exercise $1.29M +75K +73.1% $17.23 178K Dec 13, 2021 Direct
transaction ALEC Common Stock Sale -$1.36M -64.1K -36.09% $21.16 113K Dec 13, 2021 Direct F1, F4
transaction ALEC Common Stock Sale -$237K -10.9K -9.6% $21.73 103K Dec 13, 2021 Direct F1, F5

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 -75K -16.48% $0.00 380K Dec 10, 2021 Common Stock 75K $17.23 Direct F6
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -75K -19.73% $0.00 305K Dec 13, 2021 Common Stock 75K $17.23 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.18 to $22.155, 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) through (5) 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 $22.205 to $22.54, inclusive.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.56 to $21.55, inclusive.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.565 to $21.92, inclusive.
F6 One-fourth of the shares subject to the option grant vested on December 9, 2020, and 1/48th vest monthly thereafter.