ALEC- Alector, Inc.

Name: Alector, Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Alector, Inc. (ALEC) has 12 insiders with recent SEC Form 4 filings, including 0 buys and 10 sells. ALEC is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
CEO	Rosenthal Arnon	2.42M	$5.90M	-
Pres	Kenkare-Mitra Sara	501.7K	$1.22M	-
CFO	Berkley Neil Lindsay	374.3K	$913.3K	-
CFO	Grasso Marc	296.1K	$722.4K	-
Other	Wong-Sarad Grace	104.6K	$255.3K	-1,820

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Apr 16, 2026	Wong-Sarad Grace	Principal Accounting Officer	Sell	1,820	$2.65	$4,823.00	-1.7%	-	-
Mar 10, 2026	Wong-Sarad Grace	Principal Accounting Officer	Sell	1,000	$2.65	$2,650.00	-0.9%	-	-
Dec 5, 2025	Wong-Sarad Grace	Principal Accounting Officer	Sell	4,753	$1.21	$5,751.13	-3.7%	+63.5%	-
Dec 3, 2025	Rosenthal Arnon83	Chief Executive Officer	Sell	104,347	$1.12	$116,826.90	-4.1%	+85.1%	-
Dec 3, 2025	Kenkare-Mitra Sara76	President And Head Of R&D	Sell	41,687	$1.12	$46,672.77	-7.7%	+85.1%	-
Dec 3, 2025	Berkley Neil Lindsay	Chief Bus Ofcr &Interim CFO	Sell	37,261	$1.12	$41,717.42	-9.1%	+85.1%	-
Dec 3, 2025	Wong-Sarad Grace	Principal Accounting Officer	Sell	8,056	$1.12	$9,018.69	-5.9%	+85.1%	-
Sep 2, 2025	Wong-Sarad Grace	Principal Accounting Officer	Sell	5,910	$2.50	$14,756.09	-5.4%	-52.5%	-
Sep 2, 2025	Berkley Neil Lindsay	Principal Financial Officer	Sell	15,842	$2.50	$39,554.31	-4.4%	-52.5%	-
Sep 2, 2025	Kenkare-Mitra Sara76	President And Head Of R&D	Sell	23,638	$2.50	$59,019.36	-4.2%	-52.5%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC