Form 4 Tracker
Errol B Desouza

Director · 1 filing · Latest: Jun 17, 2026

Alector, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CYCN
ERROL B DE SOUZA—Sep 23, 2026
Proposed Sale
$34.994,903$171.6K—
CYCN
ERROL B DE SOUZA—Sep 22, 2026
Proposed Sale
$34.99100$3.5K—
CYCN
ERROL B DE SOUZA—Sep 18, 2026
Proposed Sale
$34.992,139$74.8K—
RPRX
Errol B. De Souza—Aug 12, 2026
Proposed Sale
$57.79206,352$11.9M—
RPRX
Errol B. De Souza—Aug 12, 2026
Proposed Sale
$57.79125,000$7.2M—