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 |
|---|---|---|---|---|---|---|
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Returned to the company · Employee Stock Option (right to buy) | −20,000 | 0 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Grant or award · Employee Stock Option (right to buy) | +20,000 | 20,000 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Returned to the company · Employee Stock Option (right to buy) | −13,842 | 0 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Grant or award · Employee Stock Option (right to buy) | +13,842 | 13,842 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Returned to the company · Employee Stock Option (right to buy) | −20,454 | 0 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Grant or award · Employee Stock Option (right to buy) | +20,454 | 20,454 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Returned to the company · Employee Stock Option (right to buy) | −10,228 | 0 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Grant or award · Employee Stock Option (right to buy) | +10,228 | 10,228 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Returned to the company · Employee Stock Option (right to buy) | −11,552 | 0 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Grant or award · Employee Stock Option (right to buy) | +11,552 | 11,552 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Returned to the company · Employee Stock Option (right to buy) | −11,309 | 0 | ||
| 2026-10-13 | Wong-Sarad Grace Principal Accounting Officer | Grant or award · Employee Stock Option (right to buy) | +11,309 | 11,309 | ||
| 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 |
| 2026-08-19 | Rosenthal Arnon Chief Executive Officer | Gift | −1,050,000 | 922,875 | ||
| 2026-08-19 | Rosenthal Arnon Chief Executive Officer | Gift | +350,000 | 1,002,500 | ||
| 2026-08-19 | Rosenthal Arnon Chief Executive Officer | Gift | +350,000 | 1,002,500 |
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