ALEC insider transaction filings

Alector, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-21. Screen ALEC transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-214Rosenthal Arnon — Chief Executive Officer, DirectorGift (G): 1,050,000 @ $0 · Gift (G): 350,000 @ $0 · Gift (G): 350,000 @ $0 · Gift (G): 350,000 @ $0EDGAR
2026-07-094Wong-Sarad Grace — Principal Accounting OfficerGrant/award (A): 20,000 @ $0EDGAR
2026-06-174Yaffe Kristine — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-174GAROFALO ELIZABETH A. — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-174Hammond Paula — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-174Altmeyer Mark — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-174SCHELLER RICHARD H — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-174LAVIGNE LOUIS J JR — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-174DESOUZA ERROL B — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2026-06-034Rosenthal Arnon — Chief Executive Officer, DirectorSale (S): 87,216 @ $1.97EDGAR
2026-06-034Wong-Sarad Grace — Principal Accounting OfficerSale (S): 5,709 @ $1.97 · Sale (S): 3,475 @ $1.88EDGAR
2026-06-034Berkley Neil Lindsay — CFO & Chief Business OfficerSale (S): 19,360 @ $1.97EDGAR
2026-06-034SCHELLER RICHARD H — DirectorGrant/award (A): 10,833 @ $0EDGAR
2026-04-174Wong-Sarad Grace — Principal Accounting OfficerSale (S): 1,820 @ $2.65EDGAR
2026-03-134Rosenthal Arnon — Chief Executive Officer, DirectorGrant/award (A): 116,246 @ $0EDGAR
2026-03-134Berkley Neil Lindsay — CFO & Chief Business OfficerGrant/award (A): 54,600 @ $0EDGAR
2026-03-124Wong-Sarad Grace — Principal Accounting OfficerSale (S): 1,000 @ $2.65EDGAR
2026-03-034Berkley Neil Lindsay — CFO & Chief Business OfficerSale (S): 29,649 @ $2.12EDGAR
2026-03-034Wong-Sarad Grace — Principal Accounting OfficerSale (S): 3,367 @ $2.08EDGAR
2026-03-034Wong-Sarad Grace — Principal Accounting OfficerSale (S): 8,071 @ $2.12EDGAR
2026-03-034Rosenthal Arnon — Chief Executive Officer, DirectorSale (S): 81,864 @ $2.12EDGAR
2026-02-264Wong-Sarad Grace — Principal Accounting OfficerSale (S): 4,079 @ $2.50EDGAR
2025-12-084Wong-Sarad Grace — Principal Accounting OfficerSale (S): 4,753 @ $1.21EDGAR
2025-12-034Berkley Neil Lindsay — Chief Bus Ofcr & Interim CFOSale (S): 37,261 @ $1.12EDGAR
2025-12-034Wong-Sarad Grace — Principal Accounting OfficerSale (S): 8,056 @ $1.12EDGAR
2025-12-034Kenkare-Mitra Sara — President and Head of R&DSale (S): 41,687 @ $1.12EDGAR
2025-12-034Rosenthal Arnon — Chief Executive Officer, DirectorSale (S): 104,347 @ $1.12EDGAR
2025-11-124Berkley Neil Lindsay — Chief Bus Ofcr & Interim CFOGrant/award (A): 65,000 @ $0 · Grant/award (A): 195,000 (derivative) @ $0EDGAR
2025-11-124Wong-Sarad Grace — Principal Accounting OfficerGrant/award (A): 32,343 @ $0 · Grant/award (A): 48,535 (derivative) @ $0EDGAR
2025-11-124Rosenthal Arnon — Chief Executive Officer, DirectorGrant/award (A): 174,167 @ $0 · Grant/award (A): 522,500 (derivative) @ $0EDGAR
2025-09-044Wong-Sarad Grace — Principal Accounting OfficerSale (S): 5,910 @ $2.50EDGAR
2025-09-044Berkley Neil Lindsay — Principal Financial OfficerSale (S): 15,842 @ $2.50EDGAR
2025-09-044Kenkare-Mitra Sara — President and Head of R&DSale (S): 23,638 @ $2.50EDGAR
2025-09-044Rosenthal Arnon — Chief Executive Officer, DirectorSale (S): 51,562 @ $2.50EDGAR
2025-08-274Hammond Paula — DirectorSale (S): 14,000 @ $2.36EDGAR
2025-07-014Berkley Neil Lindsay — Principal Financial OfficerGrant/award (A): 18,000 (derivative) @ $0EDGAR
2025-07-014Kenkare-Mitra Sara — President and Head of R&DGrant/award (A): 54,725 @ $0 · Grant/award (A): 18,250 (derivative) @ $0EDGAR
2025-07-014Rosenthal Arnon — Chief Executive Officer, DirectorGrant/award (A): 137,125 @ $0 · Grant/award (A): 45,700 (derivative) @ $0EDGAR
2025-06-234Yaffe Kristine — DirectorSale (S): 1,000 @ $1.44EDGAR
2025-06-124Hammond Paula — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-124Yaffe Kristine — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-124GAROFALO ELIZABETH A. — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-124Altmeyer Mark — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-124SCHELLER RICHARD H — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-124LAVIGNE LOUIS J JR — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-124DESOUZA ERROL B — DirectorGrant/award (A): 28,700 @ $0 · Grant/award (A): 9,450 (derivative) @ $0EDGAR
2025-06-044GRASSO MARC — Chief Financial OfficerSale (S): 16,488 @ $1.34EDGAR
2025-06-044Kenkare-Mitra Sara — President and Head of R&DSale (S): 23,890 @ $1.34EDGAR
2025-06-044Rosenthal Arnon — Chief Executive Officer, DirectorSale (S): 52,087 @ $1.34EDGAR
2025-05-024SCHELLER RICHARD H — DirectorGrant/award (A): 15,833 @ $0EDGAR

Recent 8-K events — Alector, Inc.

FiledFormItems reportedSource
2026-08-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-088-K1.02 — Termination of a Material Definitive AgreementEDGAR
2026-06-178-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-078-K1.01 — Entry into a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-078-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-258-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-128-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-10-218-K2.02 — Results of Operations and Financial Condition
?
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-08-078-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
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