Shehnaaz Suliman - Dec 8, 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 8, 2021
Transactions value $
-$1,222,416
Form type
4
Date filed
12/10/2021, 06:20 PM
Previous filing
Jun 28, 2021
Next filing
Dec 14, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Options Exercise $341K +19.8K +19.31% $17.23 122K Dec 8, 2021 Direct F1
transaction ALEC Common Stock Options Exercise $565K +55.2K +45.08% $10.24 178K Dec 8, 2021 Direct
transaction ALEC Common Stock Sale -$824K -36.5K -20.56% $22.56 141K Dec 8, 2021 Direct F2, F3
transaction ALEC Common Stock Sale -$886K -38.5K -27.28% $23.01 103K Dec 8, 2021 Direct F2, F4
transaction ALEC Common Stock Options Exercise $1.29M +75K +73.1% $17.23 178K Dec 9, 2021 Direct
transaction ALEC Common Stock Sale -$1.65M -72.4K -40.74% $22.80 105K Dec 9, 2021 Direct F2, F5
transaction ALEC Common Stock Sale -$61.9K -2.64K -2.51% $23.40 103K Dec 9, 2021 Direct F2, F6

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 -19.8K -3.6% $0.00 530K Dec 8, 2021 Common Stock 19.8K $17.23 Direct F7
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -55.2K -29.17% $0.00 134K Dec 8, 2021 Common Stock 55.2K $10.24 Direct F8
transaction ALEC Employee Stock Option (right to buy) Options Exercise $0 -75K -14.15% $0.00 455K Dec 9, 2021 Common Stock 75K $17.23 Direct F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 755 shares acquired on December 1, 2020 and 1,843 shares acquired on June 1, 2021 pursuant to the Issuer's employee stock purchase plan.
F2 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.94 to $22.92, 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 (6) to this Form 4.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.94 to $23.10, inclusive.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.36 to $23.35, inclusive.
F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.36 to $23.44, inclusive.
F7 One-fourth of the shares subject to the option grant vested on December 9, 2020, and 1/48th vest monthly thereafter.
F8 The shares subject to the option vest in 48 equal monthly installments beginning on November 1, 2020.