Alector, Inc. insider trading
ALEC$1.81-0.05 (-2.69% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-42.7%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- ARArnon Rosenthal5.5751%
- SKSara Kenkare-Mitra0.4493%
- NLNeil Lindsay Berkley0.314%
- GRGary Romano0.2982%
- MGMarc Grasso0.2652%
- LJLouis J. Lavigne Jr.0.1242%
- RHRichard H. Scheller0.1208%
- KYKristine Yaffe0.1112%
- EAElizabeth A. Garofalo0.1063%
- GWGrace Wong-Sarad0.0949%
AI Activity Analysis
PremiumComing soon
Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| ALEC | Grace Wong-Sarad | Open market sell$9.09K | -3.3% | $2.51 | $9.09K | Sep 4, 2026 | Sep 4, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$13.8K | -4.5% | $2.67 | $13.8K | Sep 3, 2026 | Sep 4, 2026 |
| ALEC | Arnon Rosenthal | Open market sell$193K | -2.2% | $2.66 | $193K | Sep 3, 2026 | Sep 4, 2026 |
| ALEC | Neil Lindsay Berkley | Open market sell$77.9K | -7.7% | $2.66 | $77.9K | Sep 3, 2026 | Sep 4, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$1.8K | -0.6% | $2.75 | $1.8K | Sep 2, 2026 | Sep 4, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$6.53K | -3.5% | $1.88 | $6.53K | Jun 3, 2026 | Jun 3, 2026 |
| ALEC | Arnon Rosenthal | Open market sell$172K | -2.8% | $1.97 | $172K | Jun 2, 2026 | Jun 3, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$11.2K | -5.5% | $1.97 | $11.2K | Jun 2, 2026 | Jun 3, 2026 |
| ALEC | Neil Lindsay Berkley | Open market sell$38.1K | -4.9% | $1.97 | $38.1K | Jun 2, 2026 | Jun 3, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$4.82K | -1.7% | $2.65 | $4.82K | Apr 16, 2026 | Apr 17, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$2.65K | -0.9% | $2.65 | $2.65K | Mar 10, 2026 | Mar 12, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$7K | -3.0% | $2.08 | $7K | Mar 3, 2026 | Mar 3, 2026 |
| ALEC | Neil Lindsay Berkley | Open market sell$62.9K | -7.9% | $2.12 | $62.9K | Mar 2, 2026 | Mar 3, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$17.1K | -6.8% | $2.12 | $17.1K | Mar 2, 2026 | Mar 3, 2026 |
| ALEC | Arnon Rosenthal | Open market sell$174K | -2.7% | $2.12 | $174K | Mar 2, 2026 | Mar 3, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$10.2K | -3.3% | $2.50 | $10.2K | Feb 26, 2026 | Feb 26, 2026 |
| ALEC | Grace Wong-Sarad | Open market sell$5.75K | -3.7% | $1.21 | $5.75K | Dec 5, 2025 | Dec 8, 2025 |
| ALEC | Neil Lindsay Berkley | Open market sell$41.7K | -9.1% | $1.12 | $41.7K | Dec 3, 2025 | Dec 3, 2025 |
| ALEC | Grace Wong-Sarad | Open market sell$9.02K | -5.9% | $1.12 | $9.02K | Dec 3, 2025 | Dec 3, 2025 |
| ALEC | Sara Kenkare-Mitra | Open market sell$46.7K | -7.7% | $1.12 | $46.7K | Dec 3, 2025 | Dec 3, 2025 |
| ALEC | Arnon Rosenthal | Open market sell$117K | -3.3% | $1.12 | $117K | Dec 3, 2025 | Dec 3, 2025 |