| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Alector, Inc. (ALEC) has 11 insiders with recent SEC Form 4 filings, including 0 buys and 10 sells. ALEC is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 2.42M | $4.24M | - | |
| Pres | 501.7K | $877.9K | - | |
| CFO | 374.3K | $655.0K | - | |
| Dir | 128.1K | $224.2K | - | |
| Other | 104.6K | $183.1K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 2025 | Rosenthal Arnon81 | Chief Executive Officer | Sell | 51,562 | $2.50 | $128,740.00 | -2.1% | -52.5% | - | |
| Aug 26, 2025 | Hammond Paula | Director | Sell | 14,000 | $2.36 | $32,998.00 | -15.7% | -45.8% | - | |
| Jun 20, 2025 | Yaffe Kristine | Director | Sell | 1,000 | $1.44 | $1,440.00 | -1.0% | +112.9% | +19.0% | |
| Jun 2, 2025 | Grasso Marc74 | Chief Financial Officer | Sell | 16,488 | $1.34 | $22,067.54 | -5.3% | +87.7% | +41.3% | |
| Jun 2, 2025 | Kenkare-Mitra Sara73 | President And Head Of R&D | Sell | 23,890 | $1.34 | $31,974.38 | -4.5% | +87.7% | +41.3% | |
| Jun 2, 2025 | Rosenthal Arnon81 | Chief Executive Officer | Sell | 52,087 | $1.34 | $69,713.24 | -2.1% | +87.7% | +41.3% | |
| Mar 3, 2025 | Kenkare-Mitra Sara73 | President And Head Of R&D | Sell | 29,073 | $1.47 | $42,661.72 | -5.1% | -2.1% | +49.6% | |
| Mar 3, 2025 | Rosenthal Arnon81 | Chief Executive Officer | Sell | 40,330 | $1.47 | $59,176.21 | -1.6% | -2.1% | +49.6% | |
| Mar 3, 2025 | Grasso Marc74 | Chief Financial Officer | Sell | 18,091 | $1.47 | $26,546.73 | -5.5% | -2.1% | +49.6% | |
| Mar 3, 2025 | Romano Gary84 | Chief Medical Officer | Sell | 16,306 | $1.47 | $23,927.42 | -4.7% | -2.1% | +49.6% |