Robert King - Jul 2, 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
Chief Development Officer
Signature
/s/ David Oh, attorney in fact
Stock symbol
ALEC
Transactions as of
Jul 2, 2021
Transactions value $
-$1,319,400
Form type
4
Date filed
7/7/2021, 07:02 PM
Previous filing
May 11, 2021
Next filing
Oct 8, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Options Exercise $245K +30K +5.74% $8.16 552K Jul 2, 2021 Direct
transaction ALEC Common Stock Options Exercise $304K +30K +5.43% $10.14 582K Jul 2, 2021 Direct
transaction ALEC Common Stock Sale -$1.87M -60K -10.3% $31.14 522K Jul 2, 2021 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
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -30K -20% $0.00 120K Jul 2, 2021 Common Stock 30K $8.16 Direct F2
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -30K -30% $0.00 70K Jul 2, 2021 Common Stock 30K $10.14 Direct F3
* 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 19, 2020.
F2 Shares subject to the option vest in 48 equal monthly installments beginning on August 2, 2018.
F3 One fourth (1/4th) of the shares subject to the option vested on November 1, 2019, and one forty-eighth (1/48th) of the shares subject to the option vest each month thereafter.