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ALEC

Alector, Inc.

Company with tickers: ALEC

CIK
1653087
CUSIP
014442107
Shares Outstanding
111,025,187
13F Activity (30d)
71 filings 68 filers

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-06-03 GRACE WONG-SARAD 3,475
2026-06-01 Neil L. Berkley 18,213
2026-06-01 Arnon Rosenthal 67,572
2026-06-01 Grace Wong-Sarad 5,239
2026-04-16 GRACE WONG-SARAD 1,820
2026-03-10 GRACE WONG-SARAD 1,000
2026-03-03 GRACE WONG-SARAD 3,367
2026-02-27 Grace Wong-Sarad 6,297
2026-02-27 Arnon Rosenthal 67,571
2026-02-27 Neil L. Berkley 23,161
2026-02-26 GRACE WONG-SARAD 4,079
2025-12-05 GRACE WONG-SARAD 4,753
2025-12-01 Sara Kenkare-Mitra 36,914
2025-12-01 Grace Wong-Sarad 7,085
2025-12-01 Neil L. Berkley 32,992
2025-12-01 Arnon Rosenthal 92,427
2025-08-29 Neil L. Berkley 15,426
2025-08-29 Grace Wong-Sarad 5,717
2025-08-29 Arnon Rosenthal 50,242
2025-08-29 Sara Kenkare-Mitra 23,019
2025-08-26 PAULA HAMMOND 14,000
2025-08-08 MARC GRASSO 76,446
2025-05-30 Arnon Rosenthal 50,242
2025-05-30 Sara Kenkare-Mitra 23,020
2025-05-30 Marc Grasso 15,873
2025-02-28 Sara Kenkare-Mitra 25,516
2025-02-28 Arnon Rosenthal 50,242
2025-02-28 Gary Romano 14,306
2025-02-28 Marc Grasso 15,873
2024-11-29 Gary Romano 14,306
2024-11-29 Sara Kenkare-Mitra 25,465
2024-11-29 Marc Grasso 15,842
2024-11-29 Arnon Rosenthal 50,142
2024-08-30 Arnon Rosenthal 24,359
2024-08-30 Marc Grasso 6,703
2024-08-30 Sara Kenkare-Mitra 12,796
2024-08-30 Gary Romano 7,788
2024-08-22 SCHELLER RICHARD H 44,250
2024-08-12 PAULA HAMMOND 10,500
2024-05-31 Arnon Rosenthal 24,360
2024-05-31 Marc Grasso 6,703
2024-05-31 Gary Romano 7,789
2024-05-31 Sara Kenkare-Mitra 12,792
2024-03-01 Arnon Rosenthal 17,520
2024-03-01 Marc Grasso 5,315
2024-03-01 Gary Romano 5,582
2024-03-01 Sara Kenkare-Mitra 9,457
2023-12-01 Arnon Rosenthal 23,831
2023-12-01 Sara Kenkare-Mitra 12,519
2023-12-01 Gary Romano 5,035
Showing 1–50 of 60 filings