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DESOUZA ERROL B

SEC insider (Form 3/4/5 filer). CIK 0001213895. Director at Alector, Inc. (ALEC) and 1 other issuer. 3 reported Form 4/5 transactions since Sep 2024; latest on Jun 17, 2026. Located in SOUTH SAN FRANCISCO, CA.

Companies DESOUZA ERROL B has filed insider reports for

  • Alector, Inc. (ALEC): Director
  • Royalty Pharma plc (RPRX): Director
DESOUZA ERROL B profile photo

DESOUZA ERROL B

CIK: 0001213895

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

Alector, Inc. logo
ALEC

Alector, Inc.

Director
Royalty Pharma plc logo
RPRX

Royalty Pharma plc

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

  • Alector, Inc. logo
    ALEC

    Alector, Inc.

    Jun 17, 2026
    Award
    Direct
    28.7K shares-
  • Alector, Inc. logo
    ALEC

    Alector, Inc.

    Jun 11, 2025
    Award
    Direct
    28.7K shares-
  • Royalty Pharma plc logo
    RPRX

    Royalty Pharma plc

    May 13, 2025
    Award
    Direct
    7.6K shares-

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