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Alector, Inc.

ALEC Net selling

CIK 0001653087 #3740 in the set updated 17 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$1.02M

$24.68K on a plan · $0.00 straight out of an exercise

Sold at will

$998.21K

17 of 21 sales

Net

−$1.02M

−$998.21K against sales at will

By person

13 insiders · 21 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Rosenthal Arnon

Chief Executive Officer

—

$656.31K (4)

−$656.31K

4,299,600

3.85%

$10.79M

+13.0%

Berkley Neil Lindsay

CFO & Chief Business Officer

—

$220.84K (4)

−$220.84K

350,649

0.3140%

$879.71K

−3.2%

Wong-Sarad Grace

Principal Accounting Officer

—

$99.07K (12)

−$99.07K

106,015

0.0949%

$265.97K

−3.1%

Kenkare-Mitra Sara

President and Head of R&D

—

$46.67K (1)

−$46.67K

501,652

0.4493%

$1.26M

+72.0%

Romano Gary

Chief Medical Officer

—

332,977

0.2982%

$835.37K

+85.2%

GRASSO MARC

Chief Financial Officer

—

296,072

0.2652%

$742.79K

+126.5%

SCHELLER RICHARD H

Director

—

134,899

0.1208%

$338.43K

+165.4%

LAVIGNE LOUIS J JR

Director

—

128,109

0.1147%

$321.40K

+81.2%

Yaffe Kristine

Director

—

124,109

0.1112%

$311.36K

+83.3%

GAROFALO ELIZABETH A.

Director

—

118,650

0.1063%

$297.67K

+93.7%

Hammond Paula

Director

—

103,609

0.0928%

$259.93K

+72.1%

DESOUZA ERROL B

Director

—

98,650

0.0884%

$247.49K

+139.2%

Altmeyer Mark

Director

—

98,650

0.0884%

$247.49K

+139.2%

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 33

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 4

Sales straight out of an exercise 0

Sales at will 17

Transactions with no price 0

Shares from compensation/vesting 2,774,089

History held since 11 Feb 2019