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 |
|---|---|---|---|---|---|---|
| 2026-09-04 | Wong-Sarad Grace Principal Accounting Officer | Sale | −3,625 | $2.51 | $9K | 106,015 |
| 2026-09-03 | Wong-Sarad Grace Principal Accounting Officer | Sale | −5,165 | $2.67 | $14K | 109,640 |
| 2026-09-03 | Rosenthal Arnon Chief Executive Officer | Sale | −72,606 | $2.66 | $193K | 2,294,600 |
| 2026-09-03 | Berkley Neil Lindsay CFO & Chief Business Officer | Sale | −29,251 | $2.66 | $78K | 350,649 |
| 2026-09-02 | Wong-Sarad Grace Principal Accounting Officer | Sale | −656 | $2.75 | $2K | 114,805 |
| 2026-06-03 | Wong-Sarad Grace Principal Accounting Officer | Sale | −3,475 | $1.88 | $7K | 95,461 |
| 2026-06-02 | Rosenthal Arnon Chief Executive Officer | Sale | −87,216 | $1.97 | $172K | 2,367,206 |
| 2026-06-02 | Wong-Sarad Grace Principal Accounting Officer | Sale | −5,709 | $1.97 | $11K | 98,936 |
| 2026-06-02 | Berkley Neil Lindsay CFO & Chief Business Officer | Sale | −19,360 | $1.97 | $38K | 379,900 |
| 2026-04-16 | Wong-Sarad Grace Principal Accounting Officer | Sale 10b5-1 | −1,820 | $2.65 | $5K | 104,645 |
| 2026-03-10 | Wong-Sarad Grace Principal Accounting Officer | Sale 10b5-1 | −1,000 | $2.65 | $3K | 106,465 |
| 2026-03-03 | Wong-Sarad Grace Principal Accounting Officer | Sale 10b5-1 | −3,367 | $2.08 | $7K | 107,465 |
| 2026-03-02 | Berkley Neil Lindsay CFO & Chief Business Officer | Sale | −29,649 | $2.12 | $63K | 344,660 |
| 2026-03-02 | Wong-Sarad Grace Principal Accounting Officer | Sale | −8,071 | $2.12 | $17K | 110,832 |
| 2026-03-02 | Rosenthal Arnon Chief Executive Officer | Sale | −81,864 | $2.12 | $174K | 2,338,176 |
| 2026-02-26 | Wong-Sarad Grace Principal Accounting Officer | Sale 10b5-1 | −4,079 | $2.50 | $10K | 118,903 |
| 2025-12-05 | Wong-Sarad Grace Principal Accounting Officer | Sale | −4,753 | $1.21 | $6K | 122,982 |
| 2025-12-03 | Berkley Neil Lindsay Chief Bus Ofcr & Interim CFO | Sale | −37,261 | $1.12 | $42K | 374,309 |
| 2025-12-03 | Wong-Sarad Grace Principal Accounting Officer | Sale | −8,056 | $1.12 | $9K | 127,735 |
| 2025-12-03 | Kenkare-Mitra Sara President and Head of R&D | Sale | −41,687 | $1.12 | $47K | 501,652 |
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