Company profile
Alector, Inc. insider acquisitions
Company CIK 0001653087 · Reported insider acquisitions and filing context.
ALEC · Nasdaq
These are company listings. A transaction is linked to a particular security only when the filing provides enough information.
Company activity summary
By transaction date, as of October 22, 2026.
| Type / code | Reported security | Transactions | Known purchase value | Missing amounts |
|---|---|---|---|---|
| Stock awardCode A | Common StockNon-derivative · Currency not specified | 3 | Not applicable | 0 |
| Stock awardCode A | Employee Stock Option (right to buy)Derivative · Currency not specified | 16 | Not applicable | 13 |
Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.
Transaction timeline
Who reported an acquisition, and when the transaction occurred.
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition
25 dated transactions · 3 of 3 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Oct 14, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Oct 14, 2026 | Alector, Inc.Common Stock | Rosenthal Arnon | Stock award |
| Oct 14, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Berkley Neil Lindsay | Stock award |
| Oct 14, 2026 | Alector, Inc.Common Stock | Berkley Neil Lindsay | Stock award |
| Oct 14, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 13, 2026 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Oct 14, 2026 | Alector, Inc.Common Stock | Wong-Sarad Grace | Stock award |
| Nov 10, 2025 | Alector, Inc.Employee Stock Option (right to buy) | Berkley Neil Lindsay | Stock award |
| Nov 10, 2025 | Alector, Inc.Common Stock | Berkley Neil Lindsay | Stock award |
| Nov 10, 2025 | Alector, Inc.Employee Stock Option (right to buy) | Wong-Sarad Grace | Stock award |
| Nov 10, 2025 | Alector, Inc.Common Stock | Wong-Sarad Grace | Stock award |
| Nov 10, 2025 | Alector, Inc.Employee Stock Option (right to buy) | Rosenthal Arnon | Stock award |
| Nov 10, 2025 | Alector, Inc.Common Stock | Rosenthal Arnon | Stock award |
Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.
Share price & reported acquisitions
Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.
Price history is not available
Market-price history is not connected yet.
ALEC · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.
Reported acquisitions
Filing-date filters apply to the list and timeline. The summary above uses transaction dates.
| Filed / transacted | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 978,750 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 132,500 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 119,446 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 417,213 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 457,038 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 520,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 275,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 500,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardCommon StockNon-derivative security · Code A | 217,500 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Berkley Neil LindsayCFO & Chief Business Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 190,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Berkley Neil LindsayCFO & Chief Business Officer | Stock awardCommon StockNon-derivative security · Code A | 44,567 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 83,435 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 11,309 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 11,552 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 10,228 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 20,454 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 13,842 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 20,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardCommon StockNon-derivative security · Code A | 55,555 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Berkley Neil LindsayChief Bus Ofcr & Interim CFO | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 195,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Berkley Neil LindsayChief Bus Ofcr & Interim CFO | Stock awardCommon StockNon-derivative security · Code A | 65,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 48,535 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Wong-Sarad GracePrincipal Accounting Officer | Stock awardCommon StockNon-derivative security · Code A | 32,343 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardEmployee Stock Option (right to buy)Derivative security · Code A | 522,500 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Rosenthal ArnonChief Executive Officer · Director | Stock awardCommon StockNon-derivative security · Code A | 174,167 | 0Value: 0Currency not specified | View ↗ |
25 transactions on this page. Filing date, newest first.
Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →