See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for Alector, Inc.
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 04, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
3,625 | $2.51 | 3,625 $2.51 $9,094 |
Sep 03, 2026 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
72,606 | $2.66 | 72,606 $2.66 $193,473 |
Sep 03, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
5,165 | $2.67 | 5,165 $2.67 $13,767 |
Sep 03, 2026 Berkley Neil Lindsay |
Berkley Neil Lindsay
CFO & Chief Business Officer
|
Sell |
29,251 | $2.66 | 29,251 $2.66 $77,948 |
Sep 02, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
656 | $2.75 | 656 $2.75 $1,804 |
Jun 03, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
3,475 | $1.88 | 3,475 $1.88 $6,543 |
Jun 02, 2026 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
87,216 | $1.97 | 87,216 $1.97 $172,191 |
Jun 02, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
5,709 | $1.97 | 5,709 $1.97 $11,271 |
Jun 02, 2026 Berkley Neil Lindsay |
Berkley Neil Lindsay
CFO & Chief Business Officer
|
Sell |
19,360 | $1.97 | 19,360 $1.97 $38,221 |
Apr 16, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
1,820 | $2.65 | 1,820 $2.65 $4,823 |
Mar 10, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
1,000 | $2.65 | 1,000 $2.65 $2,650 |
Mar 03, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
3,367 | $2.08 | 3,367 $2.08 $7,012 |
Mar 02, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
8,071 | $2.12 | 8,071 $2.12 $17,138 |
Feb 26, 2026 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
4,079 | $2.50 | 4,079 $2.50 $10,198 |
Dec 05, 2025 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
4,753 | $1.21 | 4,753 $1.21 $5,751 |
Dec 03, 2025 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
8,056 | $1.12 | 8,056 $1.12 $9,019 |
Dec 03, 2025 Berkley Neil Lindsay |
Berkley Neil Lindsay
Chief Bus Ofcr & Interim CFO
|
Sell |
37,261 | $1.12 | 37,261 $1.12 $41,717 |
Dec 03, 2025 Kenkare-Mitra Sara |
Kenkare-Mitra Sara
President and Head of R&D
|
Sell |
41,687 | $1.12 | 41,687 $1.12 $46,673 |
Dec 03, 2025 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
104,347 | $1.12 | 104,347 $1.12 $116,827 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 02, 2025 Kenkare-Mitra Sara |
Kenkare-Mitra Sara
President and Head of R&D
|
Sell |
23,638 | $2.50 | 23,638 $2.50 $59,019 |
Sep 02, 2025 Berkley Neil Lindsay |
Berkley Neil Lindsay
Principal Financial Officer
|
Sell |
15,842 | $2.50 | 15,842 $2.50 $39,554 |
Sep 02, 2025 Wong-Sarad Grace |
Wong-Sarad Grace
Principal Accounting Officer
|
Sell |
5,910 | $2.50 | 5,910 $2.50 $14,756 |
Sep 02, 2025 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
51,562 | $2.50 | 51,562 $2.50 $128,740 |
Aug 26, 2025 Hammond Paula |
Hammond Paula
|
Sell |
14,000 | $2.36 | 14,000 $2.36 $32,998 |
Jun 20, 2025 Yaffe Kristine |
Yaffe Kristine
|
Sell |
1,000 | $1.44 | 1,000 $1.44 $1,440 |
Mar 03, 2025 Kenkare-Mitra Sara |
Kenkare-Mitra Sara
President and Head of R&D
|
Sell |
29,073 | $1.47 | 29,073 $1.47 $42,662 |
Dec 02, 2024 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
52,172 | $2.52 | 52,172 $2.52 $131,442 |
Dec 02, 2024 GRASSO MARC |
GRASSO MARC
CFO
|
Sell |
16,489 | $2.52 | 16,489 $2.52 $41,542 |
Dec 02, 2024 Romano Gary |
Romano Gary
CMO
|
Sell |
14,892 | $2.52 | 14,892 $2.52 $37,519 |
Dec 02, 2024 Kenkare-Mitra Sara |
Kenkare-Mitra Sara
President and Head of R&D
|
Sell |
26,500 | $2.52 | 26,500 $2.52 $66,764 |
Sep 03, 2024 Romano Gary |
Romano Gary
CMO
|
Sell |
8,478 | $4.88 | 8,478 $4.88 $41,385 |
Sep 03, 2024 GRASSO MARC |
GRASSO MARC
CFO
|
Sell |
7,297 | $4.88 | 7,297 $4.88 $35,620 |
Sep 03, 2024 Kenkare-Mitra Sara |
Kenkare-Mitra Sara
President and Head of R&D
|
Sell |
13,926 | $4.88 | 13,926 $4.88 $67,981 |
Sep 03, 2024 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
26,499 | $4.88 | 26,499 $4.88 $129,387 |
Aug 22, 2024 SCHELLER RICHARD H |
SCHELLER RICHARD H
|
Sell |
44,250 | $5.16 | 44,250 $5.16 $228,388 |
Aug 12, 2024 Yaffe Kristine |
Yaffe Kristine
|
Sell |
5,000 | $5.06 | 5,000 $5.06 $25,309 |
Aug 12, 2024 Hammond Paula |
Hammond Paula
|
Sell |
10,500 | $5.06 | 10,500 $5.06 $53,179 |
Jun 03, 2024 Romano Gary |
Romano Gary
CMO
|
Sell |
8,040 | $4.80 | 8,040 $4.80 $38,582 |
Jun 03, 2024 Rosenthal Arnon |
Rosenthal Arnon
CEO
|
Sell |
25,135 | $4.80 | 25,135 $4.80 $120,618 |
TOP
