InsiderFlow

Arnon Rosenthal

ALEC

Arnon Rosenthal serves as director, officer: Chief Executive Officer at Alector, Inc. (ALEC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

19 trades

$22.12M

Net Position

Net Seller

$22.12M

Companies Traded

1

ALEC

Active Period

Sep 2021 – Mar 2026

19 total trades

Most Recent

Sell ALEC

Mar 3, 2026 · $173.8K

Arnon Rosenthal's Insider Trading at Alector, Inc. (ALEC)

Buys

0 · $0.00

Sells

19 · $22.12M

Total Shares Bought

0

Total Shares Sold

1,328,226

ALEC Price Chart
Loading chart...
DateTypeSharesAvg PriceValueShares After
Mar 3, 2026Sell81,864$2.12$173.8K2,338,180
Dec 3, 2025Sell104,347$1.12$116.8K0
Sep 2, 2025Sell51,562$2.50$128.7K0
Jun 2, 2025Sell52,087$1.34$69.7K0
Mar 3, 2025Sell40,330$1.47$59.2K0
Dec 2, 2024Sell52,172$2.52$131.4K0
Sep 3, 2024Sell26,499$4.88$129.4K0
Jun 3, 2024Sell25,135$4.80$120.6K0
Mar 4, 2024Sell18,837$6.92$130.4K0
Dec 4, 2023Sell23,831$5.56$132.5K0
Sep 5, 2023Sell5,647$5.19$29.3K0
Jun 2, 2023Sell5,255$6.90$36.3K0
Mar 3, 2023Sell15,186$6.22$94.4K0
Mar 2, 2023Sell5,849$8.32$48.7K0
Nov 10, 2021Sell110,000$25.00$2.75M0
Nov 8, 2021Sell200,000$25.00$5.00M0
Nov 4, 2021Sell200,000$25.00$5.00M0
Sep 22, 2021Sell109,625$25.31$2.77M0
Sep 20, 2021Sell200,000$25.96$5.19M0