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Alector, Inc.

ALEC Net selling
CIK 0001653087 #3740 in the set updated 17 Sep 2026
Bought (120 mo)
$16.14M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$180.85M
$137.61K on a plan · $27.89M straight out of an exercise
Sold at will
$152.82M
178 of 247 sales
Net
−$164.70M
−$136.67M against sales at will

By person

24 insiders · 255 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
ORBIMED ADVISORS LLC entity
10% owner
$7.82M (3)
$116.23M (41)
−$108.41M
1,906,718
1.71%
$4.78M
—
Rosenthal Arnon
Chief Executive Officer
—
$22.48M (41)
−$22.48M
4,299,600
3.85%
$10.79M
+8.0%
Paul Robert
Chief Medical Officer
—
$13.17M (58) scheduled
−$13.17M
234,319
0.2099%
$587.86K
−30.2%
GORDON CARL L
Director
$7.82M (3)
—
+$7.82M
203,200
0.1820%
$509.79K
—
Yu Calvin
Vice President, Finance
—
$6.69M (10) scheduled
−$6.69M
76,686
0.0687%
$192.39K
−57.3%
SULIMAN SHEHNAAZ
President and COO
—
$6.65M (8) scheduled
−$6.65M
102,598
0.0919%
$257.40K
+3,849%
King Robert
Chief Development Officer
—
$3.29M (14) scheduled
−$3.29M
550,871
0.4934%
$1.38M
+2.5%
MCGUIRE TERRANCE
Director
—
$3.14M (2)
−$3.14M
36,620,824
32.80%
$91.87M
+42.6%
Polaris Venture Management Co. VI, L.L.C. entity
10% owner
—
$3.14M (2)
−$3.14M
35,565,828
31.85%
$89.23M
+38.3%
SCHELLER RICHARD H
Director
—
$2.39M (5) scheduled
−$2.39M
134,899
0.1208%
$338.43K
+575.1%
Oney Sabah
Chief Business Officer
—
$1.95M (11) scheduled
−$1.95M
573,918
0.5140%
$1.44M
−3.4%
Kenkare-Mitra Sara
President and Head of R&D
—
$663.18K (12)
−$663.18K
501,652
0.4493%
$1.26M
—
Wehner David M.
Director
$500.00K (1)
—
+$500.00K
115,330
0.1033%
$289.34K
—
Romano Gary
Chief Medical Officer
—
$312.15K (11)
−$312.15K
332,977
0.2982%
$835.37K
—
Berkley Neil Lindsay
CFO & Chief Business Officer
—
$260.39K (5)
−$260.39K
350,649
0.3140%
$879.71K
−3.2%
GRASSO MARC
Chief Financial Officer
—
$247.75K (10)
−$247.75K
296,072
0.2652%
$742.79K
—
Wong-Sarad Grace
Principal Accounting Officer
—
$113.83K (13)
−$113.83K
106,015
0.0949%
$265.97K
−3.1%
Hammond Paula
Director
—
$86.18K (2) scheduled
−$86.18K
103,609
0.0928%
$259.93K
—
Yaffe Kristine
Director
—
$26.75K (2) scheduled
−$26.75K
124,109
0.1112%
$311.36K
—
Gerngross Tillman U.
Director
—
—
—
2,644,319
2.37%
$6.63M
+21.2%
LAVIGNE LOUIS J JR
Director
—
—
—
138,661
0.1242%
$347.87K
—
GAROFALO ELIZABETH A.
Director
—
—
—
118,650
0.1063%
$297.67K
—
DESOUZA ERROL B
Director
—
—
—
98,650
0.0884%
$247.49K
—
Altmeyer Mark
Director
—
—
—
98,650
0.0884%
$247.49K
—

Individual transactions

61
Insider
Date
Role
Action
Shares
Price
Amount
SULIMAN SHEHNAAZ
13 Dec 2021
President and COO
Sold after exercise
10,898
$21.73
$236.80K
SULIMAN SHEHNAAZ
13 Dec 2021
President and COO
Sold after exercise
64,102
$21.16
$1.36M
SULIMAN SHEHNAAZ
10 Dec 2021
President and COO
Sold after exercise
8,874
$22.33
$198.19K
SULIMAN SHEHNAAZ
10 Dec 2021
President and COO
Sold after exercise
66,126
$21.69
$1.43M
SULIMAN SHEHNAAZ
9 Dec 2021
President and COO
Sold after exercise
2,643
$23.40
$61.86K
SULIMAN SHEHNAAZ
9 Dec 2021
President and COO
Sold after exercise
72,357
$22.80
$1.65M
SULIMAN SHEHNAAZ
8 Dec 2021
President and COO
Sold after exercise
38,489
$23.01
$885.69K
SULIMAN SHEHNAAZ
8 Dec 2021
President and COO
Sold after exercise
36,511
$22.56
$823.63K
Paul Robert
9 Aug 2021
Chief Medical Officer
Sold after exercise
300
$27.79
$8.34K
Paul Robert
9 Aug 2021
Chief Medical Officer
Sold after exercise
22,650
$27.17
$615.43K
SCHELLER RICHARD H
5 Aug 2021
Director
Sold after exercise
3,392
$28.30
$96.00K
SCHELLER RICHARD H
5 Aug 2021
Director
Sold after exercise
52,868
$27.64
$1.46M
Paul Robert
7 Jul 2021
Chief Medical Officer
Sold after exercise
17,149
$39.32
$674.22K
Paul Robert
7 Jul 2021
Chief Medical Officer
Sold after exercise
7,700
$38.14
$293.69K
Paul Robert
7 Jul 2021
Chief Medical Officer
Sold after exercise
4,900
$37.41
$183.33K
Yu Calvin
6 Jul 2021
Vice President, Finance
Sold after exercise
3,334
$34.65
$115.52K
Paul Robert
6 Jul 2021
Chief Medical Officer
Sold after exercise
1,100
$40.01
$44.02K
Paul Robert
6 Jul 2021
Chief Medical Officer
Sold after exercise
10,495
$39.20
$411.41K
Paul Robert
6 Jul 2021
Chief Medical Officer
Sold after exercise
3,581
$38.55
$138.06K
Paul Robert
6 Jul 2021
Chief Medical Officer
Sold after exercise
1,000
$37.43
$37.43K
Paul Robert
6 Jul 2021
Chief Medical Officer
Sold after exercise
3,600
$35.95
$129.43K
Paul Robert
6 Jul 2021
Chief Medical Officer
Sold after exercise
10,224
$35.10
$358.81K
Paul Robert
2 Jul 2021
Chief Medical Officer
Sold after exercise
30,000
$31.14
$934.20K
King Robert
2 Jul 2021
Chief Development Officer
Sold after exercise
60,000
$31.14
$1.87M
Yu Calvin
2 Jul 2021
Vice President, Finance
Sold after exercise
20,000
$40.02
$800.32K
Yu Calvin
2 Jul 2021
Vice President, Finance
Sold after exercise
90,840
$31.14
$2.83M
Paul Robert
16 Jun 2021
Chief Medical Officer
Sold after exercise
4,600
$22.18
$102.05K
Paul Robert
15 Jun 2021
Chief Medical Officer
Sold after exercise
30,000
$22.07
$661.95K
Paul Robert
8 Jun 2021
Chief Medical Officer
Sold after exercise
800
$20.83
$16.66K
Paul Robert
8 Jun 2021
Chief Medical Officer
Sold after exercise
2,200
$19.89
$43.75K
Paul Robert
8 Jun 2021
Chief Medical Officer
Sold after exercise
16,175
$19.00
$307.33K
Paul Robert
21 May 2021
Chief Medical Officer
Sold after exercise
14,975
$18.14
$271.68K
Paul Robert
18 May 2021
Chief Medical Officer
Sold after exercise
4,200
$18.04
$75.79K
Paul Robert
7 Apr 2021
Chief Medical Officer
Sold after exercise
45
$19.83
$892.35
Paul Robert
7 Apr 2021
Chief Medical Officer
Sold after exercise
22,255
$19.19
$427.16K
Paul Robert
23 Mar 2021
Chief Medical Officer
Sold after exercise
13,800
$22.21
$306.50K
Paul Robert
22 Mar 2021
Chief Medical Officer
Sold after exercise
5,510
$23.55
$129.77K
Paul Robert
22 Mar 2021
Chief Medical Officer
Sold after exercise
24,490
$22.85
$559.60K
Paul Robert
9 Mar 2021
Chief Medical Officer
Sold after exercise
19,175
$18.12
$347.40K
Paul Robert
9 Feb 2021
Chief Medical Officer
Sold after exercise
19,175
$20.81
$399.05K
Paul Robert
26 Jan 2021
Chief Medical Officer
Sold after exercise
27,308
$18.00
$491.54K
Paul Robert
25 Jan 2021
Chief Medical Officer
Sold after exercise
30,000
$18.01
$540.23K
Paul Robert
20 Jan 2021
Chief Medical Officer
Sold after exercise
8,567
$18.00
$154.21K
Paul Robert
19 Jan 2021
Chief Medical Officer
Sold after exercise
30,000
$18.12
$543.55K
Yu Calvin
7 Feb 2020
Vice President, Finance
Sold after exercise
24,033
$35.02
$841.64K
Yu Calvin
6 Feb 2020
Vice President, Finance
Sold after exercise
2,621
$35.00
$91.74K
Paul Robert
5 Feb 2020
Chief Medical Officer
Sold after exercise
10,000
$32.10
$321.00K
Yu Calvin
4 Feb 2020
Vice President, Finance
Sold after exercise
63,541
$30.04
$1.91M
Oney Sabah
4 Feb 2020
Chief Business Officer
Sold after exercise
16,667
$30.00
$500.01K
Paul Robert
30 Jan 2020
Chief Medical Officer
Sold after exercise
8,000
$28.00
$224.00K
Oney Sabah
27 Jan 2020
Chief Business Officer
Sold after exercise
14,467
$25.05
$362.40K
Paul Robert
23 Jan 2020
Chief Medical Officer
Sold after exercise
599
$25.22
$15.11K
Paul Robert
23 Jan 2020
Chief Medical Officer
Sold after exercise
5,401
$24.22
$130.81K
Oney Sabah
23 Jan 2020
Chief Business Officer
Sold after exercise
2,200
$25.21
$55.46K
Oney Sabah
12 Dec 2019
Chief Business Officer
Sold after exercise
6,810
$20.13
$137.07K
Oney Sabah
10 Dec 2019
Chief Business Officer
Sold after exercise
500
$20.01
$10.01K
Oney Sabah
9 Dec 2019
Chief Business Officer
Sold after exercise
2,300
$20.07
$46.16K
Oney Sabah
6 Dec 2019
Chief Business Officer
Sold after exercise
5,156
$20.02
$103.22K
Oney Sabah
5 Dec 2019
Chief Business Officer
Sold after exercise
1,500
$20.00
$30.00K
Paul Robert
20 Sep 2019
Chief Medical Officer
Sold after exercise
4,000
$20.00
$80.00K
Oney Sabah
20 Sep 2019
Chief Business Officer
Sold after exercise
400
$20.00
$8.00K
Showing 250 of 255 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 271
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 18
Sales on a Rule 10b5-1 plan 8
Sales straight out of an exercise 61
Sales at will 178
Transactions with no price 0
Shares from compensation/vesting 65,005,269
Sales filed before the plan box existed 118
History held since 11 Feb 2019