Co-founder, Chief Executive Officer, and Director · Alector, Inc. (ALEC)

Arnon Rosenthal

A named executive officer of Alector in every fiscal year CompBrief holds from FY2017 to FY2025. Every figure below is printed as the company filed it and cited to the filing it came from.

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Total disclosed compensation, FY2025

$1,995,018

FY2024: $3,666,341

1st of 3 named executive officers at Alector by FY2025 total.

3 named officers on file for Alector, FY2025

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What this number hides

The filing gives the total. Alector’s full Executive Compensation Report gives every award, the disclosed peer set and what the total leaves out — the pair adds the board’s.

Compensation figures as of the proxy filed April 28, 2026 (DEF 14A). Insider transactions since that proxy, current to 2026-11-07.

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Arnon Rosenthal compensation by year

Alector Summary Compensation Table · all 9 fiscal years held
In US dollars, as Alector reports it. Most recent year shaded. Totals are the company’s disclosed totals.
ComponentFY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Salary$370,001$396,764$525,000$554,167$575,400$621,413$653,625$674,808$678,100
Bonus$140,600$237,540$0$0$0$0$0$0$0
Stock awards$2,881,057$0$0$0$1,801,875$1,694,939$2,576,448$2,777,775$422,876
Option awards$0$4,816,115$5,984,524$3,096,204$6,837,954$800,515$614,323$0$558,216
Non-equity incentive$0$0$341,250$0$388,160$389,340$400,000$203,430$325,488
Pension and deferred compensation$0$0$0$0$0$0$0$0$0
All other$3,564$3,564$3,564$11,858$9,191$9,191$10,611$10,328$10,338
Total$3,395,222$5,453,983$6,854,338$3,662,229$9,612,580$3,515,398$4,255,007$3,666,341$1,995,018

Each year as stated in that year's proxy. A dash means the company reported no figure in that column. Source: Alector, Inc. DEF 14A filed April 28, 2026, accession 0001193125-26-186928, and prior-year filings. Open the filing on EDGAR.

How this page was built: the Alector, Inc. filed document, accession 0001193125-26-186928. Every figure is read from that document and cited to the page and table it appears in. Filed April 28, 2026.

$3.4M
$5.5M
$6.9M
$3.7M
$9.6M
$3.5M
$4.3M
$3.7M
$2.0M
FY17
FY18
FY19
FY20
FY21
FY22
FY23
FY24
FY25
SalaryBonusNon-equity incentiveStock awardsOption awardsAll other

Equity holdings

unvested awards at FY2025 year-end
TypeUnvested unitsValue at year-endExercise price
RSU356,127$555,558—
RSU159,654$249,060—
RSU99,401$155,066—
RSU68,563$106,958—
Option24,885—$9.46
Option511,615—$1.31
Option60,730—$6.48
Option26,659—$1.42

Per the Outstanding Equity Awards at Fiscal Year-End table in Alector, Inc.'s FY2025 proxy; value at the fiscal year-end close, as the company printed it.

Insider transactions since the last proxy

22 Form 4 lines since the FY2025 proxy (filed April 28, 2026)
current to 2026-11-07 · updated nightly
DateTransactionPlanSharesPriceHeld after
2026-10-14Grant or award—217,500$0.002,512,100
2026-10-14Grant or award derivative—978,750$0.00978,750
2026-10-13Grant or award derivative—417,213—417,213
2026-10-13Grant or award derivative—275,000—275,000
2026-10-13Grant or award derivative—457,038—457,038
2026-10-13Grant or award derivative—520,000—520,000
2026-10-13Grant or award derivative—500,000—500,000
2026-10-13Disposition to the issuer derivative—520,000—0

The 8 most recent of 22 lines, each as reported on the Form 4. "10b5-1" marks a trade the filing reports under a pre-arranged trading plan. View every Form 4 filing on EDGAR →

Alector’s named executive officers, FY2025

as the company reported each
Named executive officerRoleFY2025 total
Arnon Rosenthal · this pageCo-founder, Chief Executive Officer, and Director$1,995,018
Sara Kenkare-MitraFormer President and Head of Research and Development$1,575,150
Neil BerkleyChief Financial Officer and Chief Business Officer$1,052,459

Board service

Alector board · FY2023

How this board is paid

Company policy: Alector pays directors a $40,000 cash retainer and $202,388 in RSUs/Options. As stated in Alector's FY2023 proxy.

The full Alector compensation record

free company brief

This page is one person within Alector's record. The company brief lists every named executive, each linking to their own page.

Peer companies

named in the Alector proxy · each links to its own free brief

Compensation, the day it’s disclosed

The CompBrief Daily Digest lists the newest executive and director compensation disclosures as companies file them. Or order Alector's full Executive Compensation Report with peer benchmarking.

How this record is built

Every figure on this page is one figure from a public SEC filing, printed as the filing states it and cited to the document. Compensation totals are Alector's own disclosed totals, not summed by Velarion. Insider transactions are read from Form 4 filings and cover every line filed since the most recent proxy. Nothing is estimated by Velarion; where the company does not disclose a value the cell reads "—", and a section appears only where the company discloses the data. Corrections: records@velarion.ai.

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Arnon Rosenthal's compensation dossier