SEC Insider Transactions from DESOUZA ERROL B.

Last updated: 2026-03-14 11:26 UTC | Total transactions: 7

DESOUZA ERROL B has filed 7 insider transactions across 2 companies since June 2023.

Most recent transaction: a grant/award of 9450 shares of Alector, Inc. ($ALEC) on June 11, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 11, 2025 Alector, Inc. $ALEC DESOUZA ERROL B Not found A Stock Option (right to buy) 9450 $0.00 9,450.0000 99,085,888 9999.99% 0.01%
June 11, 2025 Alector, Inc. $ALEC DESOUZA ERROL B Not found A Common Stock 28700 $0.00 69,950.0000 99,085,888 69.58% 0.03%
May 13, 2025 Royalty Pharma plc $RPRX DESOUZA ERROL B Director A Class A Ordinary Shares 7614 $0.00 81,352.0000 594,108,000 10.33% 0.00%
June 7, 2024 Royalty Pharma plc $RPRX DESOUZA ERROL B Director A Class A Ordinary Shares 9293 $0.00 73,738.0000 602,900,000 14.42% 0.00%
March 19, 2024 Alector, Inc. $ALEC DESOUZA ERROL B Not found A Stock Option (right to buy) 19420 $0.00 19,420.0000 0 9999.99% 0.00%
March 19, 2024 Alector, Inc. $ALEC DESOUZA ERROL B Not found A Common Stock 41250 $0.00 41,250.0000 0 9999.99% 0.00%
June 23, 2023 Royalty Pharma plc $RPRX DESOUZA ERROL B Director A Class A Ordinary Shares 7747 $0.00 64,445.0000 437,972,000 13.66% 0.00%