Robert King - 02 Jul 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Signature
/s/ David Oh, attorney in fact
Issuer symbol
ALEC
Transactions as of
02 Jul 2021
Net transactions value
-$1,319,400
Form type
4
Filing time
07 Jul 2021, 19:02:08 UTC
Previous filing
11 May 2021
Next filing
08 Oct 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Options Exercise $244,800 +30,000 +5.7% $8.16 552,317 02 Jul 2021 Direct
transaction ALEC Common Stock Options Exercise $304,200 +30,000 +5.4% $10.14 582,317 02 Jul 2021 Direct
transaction ALEC Common Stock Sale $1,868,400 -60,000 -10% $31.14 522,317 02 Jul 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 -30,000 -20% $0.000000 120,000 02 Jul 2021 Common Stock 30,000 $8.16 Direct F2
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -30,000 -30% $0.000000 70,000 02 Jul 2021 Common Stock 30,000 $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.