ALEC- Alector, Inc.

Insider activity in ALEC over the last quarter tilts toward selling: insiders offloaded a net 111,303 shares worth roughly $296K.

Classified under Biotechnology (Health Care sector), ALEC's insider flows are most useful compared with peers in the same group.

Insider Ownership

Role	Insider	Shares	Value	30d
CEO	Rosenthal Arnon	2.51M	-	-
Pres	Kenkare-Mitra Sara	501.7K	$561.6K	-
CFO	Berkley Neil Lindsay	395.2K	-	-
Other	Wong-Sarad Grace	161.6K	-	-
Dir	Scheller Richard H	134.9K	-	-

Buys and sells only

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Sep 4, 2026	Wong-Sarad Grace49	Principal Accounting Officer	Sell	9,446	$2.61	$24,665.71	-8.2%	-	-
Sep 3, 2026	Rosenthal Arnon81	Chief Executive Officer	Sell	72,606	$2.66	$193,473.21	-3.1%	-	-
Sep 3, 2026	Berkley Neil Lindsay	CFO &Chief Business Officer	Sell	29,251	$2.66	$77,948.06	-7.7%	-	-
Jun 3, 2026	Wong-Sarad Grace49	Principal Accounting Officer	Sell	9,184	$1.94	$17,813.44	-8.8%	+35.2%	-
Jun 2, 2026	Berkley Neil Lindsay	CFO &Chief Business Officer	Sell	19,360	$1.97	$38,220.51	-4.8%	+15.9%	-
Jun 2, 2026	Rosenthal Arnon81	Chief Executive Officer	Sell	87,216	$1.97	$172,190.55	-3.6%	+15.9%	-
Apr 16, 2026	Wong-Sarad Grace49	Principal Accounting Officer	Sell	1,820	$2.65	$4,823.00	-1.7%	-41.2%	-
Mar 10, 2026	Wong-Sarad Grace49	Principal Accounting Officer	Sell	1,000	$2.65	$2,650.00	-0.9%	-30.8%	-
Mar 3, 2026	Wong-Sarad Grace49	Principal Accounting Officer	Sell	3,367	$2.08	$7,012.11	-3.0%	-1.9%	-
Mar 2, 2026	Wong-Sarad Grace49	Principal Accounting Officer	Sell	8,071	$2.12	$17,137.96	-6.8%	-6.1%	-