Insider Trading & Ownership - Alector Inc. (ALEC)

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Alector Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-06-20
Sale
2025-06-23
4:05 pm
Alector Inc.ALECYaffe Kristine
Director
1,000$1.44$1,44095,409
(Direct)
View
2025-06-02
Sale
2025-06-04
4:21 pm
Alector Inc.ALECGRASSO MARC
Chief Financial Officer
16,488$1.3384$22,068296,072
(Direct)
View
2025-06-02
Sale
2025-06-04
4:19 pm
Alector Inc.ALECKenkare-Mitra Sara
President and Head of R&D
23,890$1.3384$31,974512,252
(Direct)
View
2025-06-02
Sale
2025-06-04
4:18 pm
Alector Inc.ALECRosenthal Arnon
Chief Executive Officer
52,087$1.3384$69,7136,345,032
(Indirect
Direct)
View
2025-03-03
Sale
2025-03-05
4:05 pm
Alector Inc.ALECKenkare-Mitra Sara
President and Head of R&D
29,073$1.4674$42,662536,142
(Direct)
View
2025-03-03
Sale
2025-03-05
4:05 pm
Alector Inc.ALECRosenthal Arnon
Chief Executive Officer
40,330$1.4673$59,1766,397,119
(Indirect
Direct)
View
2025-03-03
Sale
2025-03-05
4:05 pm
Alector Inc.ALECGRASSO MARC
Chief Financial Officer
18,091$1.4674$26,547312,560
(Direct)
View
2025-03-03
Sale
2025-03-05
4:05 pm
Alector Inc.ALECRomano Gary
Chief Medical Officer
16,306$1.4674$23,927332,977
(Direct)
View
2024-12-02
Sale
2024-12-03
5:40 pm
Alector Inc.ALECGRASSO MARC
Chief Financial Officer
16,489$2.5194$41,542330,651
(Direct)
View
2024-12-02
Sale
2024-12-03
5:40 pm
Alector Inc.ALECRosenthal Arnon
Chief Executive Officer
52,172$2.5194$131,4426,437,449
(Indirect
Direct)
View
2024-12-02
Sale
2024-12-03
5:40 pm
Alector Inc.ALECKenkare-Mitra Sara
President and Head of R&D
26,500$2.5194$66,764565,215
(Direct)
View
2024-12-02
Sale
2024-12-03
5:40 pm
Alector Inc.ALECRomano Gary
Chief Medical Officer
14,892$2.5194$37,519349,283
(Direct)
View
2024-09-03
Sale
2024-09-04
4:44 pm
Alector Inc.ALECGRASSO MARC
Chief Financial Officer
7,297$4.8815$35,620130,740
(Direct)
View
2024-09-03
Sale
2024-09-04
4:15 pm
Alector Inc.ALECRosenthal Arnon
Chief Executive Officer
26,499$4.8827$129,3875,879,121
(Indirect
Direct)
View
2024-09-03
Sale
2024-09-04
4:15 pm
Alector Inc.ALECKenkare-Mitra Sara
President and Head of R&D
13,926$4.8816$67,981291,715
(Direct)
View
2024-09-03
Sale
2024-09-04
4:15 pm
Alector Inc.ALECRomano Gary
Chief Medical Officer
8,478$4.8815$41,385179,795
(Direct)
View
2024-08-22
Sale
2024-08-23
4:05 pm
Alector Inc.ALECSCHELLER RICHARD H
Director
44,250$5.1613$228,38835,000
(Direct)
View
2024-08-12
Sale
2024-08-13
7:55 pm
Alector Inc.ALECHammond Paula
Director
10,500$5.0647$53,17960,209
(Direct)
View
2024-08-12
Sale
2024-08-13
7:55 pm
Alector Inc.ALECYaffe Kristine
Director
5,000$5.0618$25,30967,709
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-07-01
Option Award
2025-07-01
5:00 pm
N/A
2035-07-01
Alector Inc.ALECBerkley Neil Lindsay
Principal Financial Officer
18,000$018,000
(Direct)
View
2025-07-01
Option Award
2025-07-01
5:00 pm
N/A
2035-07-01
Alector Inc.ALECKenkare-Mitra Sara
President and Head of R&D
72,975$0585,227
(Direct)
View
2025-07-01
Option Award
2025-07-01
5:00 pm
N/A
2035-07-01
Alector Inc.ALECRosenthal Arnon
Chief Executive Officer
182,825$06,527,857
(Direct)
View

Ownership
2025-06-30
4:45 pm
N/A
N/A
Alector Inc.ALECBerkley Neil Lindsay
Principal Financial Officer
0$0375,387
(Direct)
View

Ownership
2025-06-30
4:45 pm
N/A
N/A
Alector Inc.ALECWong-Sarad Grace
Principal Accounting Officer
0$0199,588
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECHammond Paula
Director
38,150$098,359
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECYaffe Kristine
Director
38,150$0105,859
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECGAROFALO ELIZABETH A.
Director
38,150$099,400
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECSCHELLER RICHARD H
Director
38,150$0104,816
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECLAVIGNE LOUIS J JR
Director
38,150$0119,411
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECDESOUZA ERROL B
Director
38,150$079,400
(Direct)
View
2025-06-11
Option Award
2025-06-12
6:05 pm
N/A
2035-06-10
Alector Inc.ALECAltmeyer Mark
Director
38,150$079,400
(Direct)
View
2025-05-02
Option Award
2025-05-02
6:00 pm
N/A
N/A
Alector Inc.ALECSCHELLER RICHARD H
Director
15,833$066,666
(Direct)
View
2024-08-02
Option Award
2024-10-10
4:05 pm
N/A
N/A
Alector Inc.ALECSCHELLER RICHARD H
Director
15,833$050,833
(Direct)
View
2024-10-01
Option Award
2024-10-02
4:05 pm
N/A
N/A
Alector Inc.ALECGRASSO MARC
Chief Financial Officer
216,400$0347,140
(Direct)
View
2024-10-01
Option Award
2024-10-02
4:05 pm
N/A
N/A
Alector Inc.ALECKenkare-Mitra Sara
President and Head of R&D
300,000$0591,715
(Direct)
View
2024-10-01
Option Award
2024-10-02
4:05 pm
N/A
N/A
Alector Inc.ALECRosenthal Arnon
Chief Executive Officer
610,500$06,489,621
(Direct)
View
2024-10-01
Option Award
2024-10-02
4:05 pm
N/A
N/A
Alector Inc.ALECRomano Gary
Chief Medical Officer
184,380$0364,175
(Direct)
View
2024-06-12
Option Award
2024-06-12
4:46 pm
N/A
N/A
Alector Inc.ALECLAVIGNE LOUIS J JR
Director
35,000$081,261
(Direct)
View
2024-06-12
Option Award
2024-06-12
4:46 pm
N/A
N/A
Alector Inc.ALECYaffe Kristine
Director
35,000$072,709
(Direct)
View
2024-06-12
Option Award
2024-06-12
4:46 pm
N/A
N/A
Alector Inc.ALECGAROFALO ELIZABETH A.
Director
35,000$061,250
(Direct)
View
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