Arnon Rosenthal - Nov 10, 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
Chief Executive Officer, Director
Signature
/s/ David Oh, by power of attorney
Stock symbol
ALEC
Transactions as of
Nov 10, 2021
Transactions value $
-$2,750,000
Form type
4
Date filed
11/12/2021, 05:36 PM
Previous filing
Nov 10, 2021
Next filing
Oct 4, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Sale -$1.38M -55K -2.64% $25.00 2.03M Nov 10, 2021 See footnote F1, F2
transaction ALEC Common Stock Sale -$1.38M -55K -2.71% $25.00 1.97M Nov 11, 2021 See footnote F1, F2
holding ALEC Common Stock 653K Nov 10, 2021 See footnote F3
holding ALEC Common Stock 653K Nov 10, 2021 See footnote F4
holding ALEC Common Stock 653K Nov 10, 2021 See footnote F5
holding ALEC Common Stock 1.46M Nov 10, 2021 Direct
* 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 reported securities are held directly by The Rosenthal Family Revocable Trust Dated November 4, 1994, as restated on June 9, 1999, for which the Reporting Person serves as trustee.
F3 The reported securities are held directly by the Adi Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.
F4 The reported securities are held directly by the Noam Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.
F5 The reported securities are held directly by the Shani Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.