Rosenthal Arnon (CIK 0001757770)

Latest company ownership

Shares held
6,454,762
Last filed at
Dec 3, 2025
Confidence Score
25.0
2025Q4
Confidence Score History
2021Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 3, 2025 Dec 3, 2025 Alector, Inc. CEO Sell 22.5 -104,347 -1.62% $116.8K
Sep 2, 2025 Sep 4, 2025 Alector, Inc. CEO Sell 32.5 -51,562 -0.81% $128.7K
Jun 2, 2025 Jun 4, 2025 Alector, Inc. CEO Sell 32.5 -52,087 -0.81% $69.7K
Mar 3, 2025 Mar 5, 2025 Alector, Inc. CEO Sell 32.5 -40,330 -0.63% $59.2K
Dec 2, 2024 Dec 3, 2024 Alector, Inc. CEO Sell 32.5 -52,172 -0.80% $131.4K
Sep 3, 2024 Sep 4, 2024 Alector, Inc. CEO Sell 40.0 -26,499 -0.45% $129.4K
Jun 3, 2024 Jun 4, 2024 Alector, Inc. CEO Sell 40.0 -25,135 -0.42% $120.6K
Mar 4, 2024 Mar 5, 2024 Alector, Inc. CEO Sell 40.0 -18,837 -0.32% $130.4K
Dec 4, 2023 Dec 6, 2023 Alector, Inc. CEO Sell 40.0 -23,831 -0.40% $132.5K
Sep 5, 2023 Sep 6, 2023 Alector, Inc. CEO Sell 51.3 -5,647 -0.10% $29.3K
Jun 2, 2023 Jun 5, 2023 Alector, Inc. CEO Sell 51.3 -5,255 -0.09% $36.3K
Mar 3, 2023 Mar 21, 2023 Alector, Inc. CEO Sell 72.5 +27,804 0.50% $94.4K
Mar 2, 2023 Mar 3, 2023 Alector, Inc. CEO Sell 51.3 -5,849 -0.11% $48.7K
Nov 10, 2021 Nov 12, 2021 Alector, Inc. CEO Sell 32.5 -110,000 -3.11% $2.8M
Nov 8, 2021 Nov 10, 2021 Alector, Inc. CEO Sell 35.0 -200,000 -2.03% $5M
Nov 4, 2021 Nov 8, 2021 Alector, Inc. CEO Sell 38.8 -200,000 -1.95% $5M
Sep 22, 2021 Sep 23, 2021 Alector, Inc. CEO Sell 36.3 -109,625 -2.83% $2.8M
Sep 20, 2021 Sep 22, 2021 Alector, Inc. CEO Sell 31.3 -200,000 -4.92% $5.2M