Insider Transactions Reported by 22 Insiders of Alector, Inc.

Symbol
ALEC on Nasdaq
Location
South San Francisco, CA

Insiders trading volume in the past year

Alector, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Polaris Venture Management Co. VI, L.L.C. 10%+ Owner $68,200,238 29 May 2024
MCGUIRE TERRANCE Director, 10%+ Owner $60,653,001 11 Sep 2023
Tillman U. Gerngross Director $14,702,414 14 Jun 2023
Arnon Rosenthal Chief Executive Officer, Director $3,583,826 -$374,456 -9.5% 03 Dec 2025
Robert King Chief Development Officer $3,062,843 01 Oct 2022
Robert Paul Chief Medical Officer $1,302,814 09 Aug 2021
SHEHNAAZ SULIMAN President and COO $570,445 10 Dec 2021
Sara Kenkare-Mitra President and Head of R&D $561,649 -$180,328 -24% 03 Dec 2025
David M. Wehner Director $553,434 12 Jun 2024
Gary Romano Chief Medical Officer $488,610 -$23,927 -4.7% 03 Mar 2025
Calvin Yu Vice President, Finance $426,374 02 Jul 2021
Neil Lindsay Berkley Chief Bus Ofcr & Interim CFO $419,076 -$81,272 -16% 03 Dec 2025
MARC GRASSO Chief Financial Officer $396,262 -$48,614 -11% 02 Jun 2025
Paula Hammond Director $176,560 -$32,998 -16% 26 Aug 2025
Grace Wong-Sarad Principal Accounting Officer $148,808 -$29,526 -17% 05 Dec 2025
Kristine Yaffe Director $137,388 -$1,440 -1% 20 Jun 2025
LOUIS J. LAVIGNE JR Director $127,554 11 Jun 2025
RICHARD H. SCHELLER Director $110,624 11 Jun 2025
ELIZABETH A. GAROFALO Director $104,342 11 Jun 2025
Mark Altmeyer Director $81,142 11 Jun 2025
ERROL B. DESOUZA Director $81,142 11 Jun 2025
Linda M. Rubinstein Interim Chief Financial Ofcr 08 Sep 2021

Recent Insider Transactions by Companies or Individuals for Alector, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.