Reporting owner · Q3 2026 · CIK 1757770

Rosenthal Arnon: insider trades.

Rosenthal Arnon reported 5 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 1 sale ($193K), across 1 company.

Transactions
5
Purchases (P)
0
Sales (S)
1
Companies
1
Name as filed
Rosenthal Arnon

Companies

CompanyRelationshipTransactions
Alector, Inc. (ALEC)Director, Officer · Chief Executive Officer5

Transactions

5 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-09-03Alector, Inc.S72,606$2.662,294,600Form 4
2026-08-19Alector, Inc.G350,000$01,002,500Form 4
2026-08-19Alector, Inc.G1,050,000$0922,875Form 4
2026-08-19Alector, Inc.G350,000$01,002,500Form 4
2026-08-19Alector, Inc.G350,000$01,002,500Form 4

Questions

What stock did Rosenthal Arnon buy or sell?

Rosenthal Arnon reported 5 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 1 sale ($193K), across 1 company.

Is Rosenthal Arnon the same person as other filers with this name?

This page covers SEC CIK 1757770 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/rosenthal-arnon-1757770.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.