CIK 0001653087 · Accelerated filer<br>Smaller reporting company
Alector, Inc.
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- ALEC
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 822933343
- Phone
- 415-231-5660
- Business address
- 131 OYSTER POINT BLVD., SUITE 600, SOUTH SAN FRANCISCO, CA, 94080
- Former names
- Alector LLC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $296,087
- in 3 filings
Net −$296,087. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 76 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-11-10 | Rosenthal Arnon Chief Executive Officer | Grant or award · Employee Stock Option (right to buy) | +522,500 | 522,500 | ||
| 2025-09-02 | Wong-Sarad Grace Principal Accounting Officer | Sale | −5,910 | $2.50 | $15K | 103,448 |
| 2025-09-02 | Berkley Neil Lindsay Principal Financial Officer | Sale | −15,842 | $2.50 | $40K | 346,570 |
| 2025-09-02 | Kenkare-Mitra Sara President and Head of R&D | Sale | −23,638 | $2.50 | $59K | 543,339 |
| 2025-09-02 | Rosenthal Arnon Chief Executive Officer | Sale | −51,562 | $2.50 | $129K | 2,350,220 |
| 2025-08-26 | Hammond Paula Director | Sale 10b5-1 | −14,000 | $2.36 | $33K | 74,909 |
| 2025-07-01 | Berkley Neil Lindsay Principal Financial Officer | Grant or award · Employee Stock Option (right to buy) | +18,000 | 18,000 | ||
| 2025-07-01 | Kenkare-Mitra Sara President and Head of R&D | Grant or award | +54,725 | 566,977 | ||
| 2025-07-01 | Kenkare-Mitra Sara President and Head of R&D | Grant or award · Employee Stock Option (right to buy) | +18,250 | 18,250 | ||
| 2025-07-01 | Rosenthal Arnon Chief Executive Officer | Grant or award | +137,125 | 2,551,782 | ||
| 2025-07-01 | Rosenthal Arnon Chief Executive Officer | Grant or award · Employee Stock Option (right to buy) | +45,700 | 45,700 | ||
| 2025-06-20 | Yaffe Kristine Director | Sale 10b5-1 | −1,000 | $1.44 | $1K | 95,409 |
| 2025-06-11 | Hammond Paula Director | Grant or award | +28,700 | 88,909 | ||
| 2025-06-11 | Hammond Paula Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2025-06-11 | Yaffe Kristine Director | Grant or award | +28,700 | 96,409 | ||
| 2025-06-11 | Yaffe Kristine Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2025-06-11 | GAROFALO ELIZABETH A. Director | Grant or award | +28,700 | 89,950 | ||
| 2025-06-11 | GAROFALO ELIZABETH A. Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2025-06-11 | SCHELLER RICHARD H Director | Grant or award | +28,700 | 95,366 | ||
| 2025-06-11 | SCHELLER RICHARD H Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 |
Page 5 of 23 · 454 trades