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| Keyboard |
| Alector Inc | |
|---|---|
| Ticker | ALEC |
| CIK # | 0001653087 |
| CUSIP | 014442107 |
| Sector | Life Sciences - Biological Products, (No Disgnostic Substances) |
| Address | 151 Oyster Point Blvd, Suite 300, South San Francisco, CA 94080 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Alector LLC | 2015-09-16 | 32.3 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001653087] | 10-K | |
| [0001653087] | 10-Q | |
| [0001653087] | 3 | |
| [0001653087] | 4 | |
| [0001653087] | 8-K | |
| [0001653087] | D | |
| [0001653087] | SC 13D | |
| [0001653087] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| BlackRock Inc | Alector Inc | [2026-04-27] | 0.0 |
| TCG Crossover GP II LLC | Alector Inc | [2025-11-14] | 0.0 |
| RTW Investments LP | Alector Inc | [2025-11-14] | 0.0 |
| RA Capital Management LP | Alector Inc | [2024-12-06] | 0.9 |
| Morgan Stanley | Alector Inc | [2024-02-12] | 5.5 |
| Rosenthal Arnon | Alector Inc | [2024-02-08] | 0.0 |
| Rosenthal Arnon | Alector Inc | [2022-02-14] | 8.0 |
| FMR LLC | Alector Inc | [2022-02-09] | 0.0 |
| EcoR1 Capital LLC | Alector Inc | [2021-07-12] | 6.0 |
| Vanguard Group Inc | Alector Inc | [2021-02-10] | 6.31 |
| BlackRock Inc | Alector Inc | [2021-02-02] | 6.5 |
| Federated Hermes Inc | Alector Inc | [2020-02-13] | 5.54 |
| Polaris Venture Partners VI LP | Alector Inc | [2020-02-12] | 0.7 |
| OrbiMed Advisors LLC | Alector Inc | [2019-02-20] | 18.86 |
| Merck & Co Inc | Alector Inc | [2019-02-14] | 5.1 |
| Flynn James E | Alector Inc | [2019-02-11] | 1.32 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Berkley Neil Lindsay
Common Stock
|
2026-03-15 | Grant | 54,600 | $0.00 | |
|
Rosenthal Arnon
Common Stock
|
2026-03-13 | Grant | 116,246 | $0.00 | |
|
Wong-Sarad Grace
Common Stock
|
2026-03-10 | Sell | 1,000 | $2.65 | 2,650 |
|
Wong-Sarad Grace
Common Stock
|
2026-03-03 | Sell | 3,367 | $2.08 | 7,003 |
|
Wong-Sarad Grace
Common Stock
|
2026-03-02 | Sell | 8,071 | $2.12 | 17,111 |
|
Rosenthal Arnon
Common Stock
|
2026-03-02 | Sell | 81,864 | $2.12 | 173,552 |
|
Berkley Neil Lindsay
Common Stock
|
2026-03-02 | Sell | 29,649 | $2.12 | 62,856 |
|
Wong-Sarad Grace
Common Stock
|
2026-02-26 | Sell | 4,079 | $2.50 | 10,198 |
|
Wong-Sarad Grace
Common Stock
|
2025-12-05 | Sell | 4,753 | $1.21 | 5,751 |
|
Kenkare-Mitra Sara
Common Stock
|
2025-12-03 | Sell | 41,687 | $1.12 | 46,689 |
|
Rosenthal Arnon
Common Stock
|
2025-12-03 | Sell | 104,347 | $1.12 | 116,869 |
|
Berkley Neil Lindsay
Common Stock
|
2025-12-03 | Sell | 37,261 | $1.12 | 41,732 |
|
Wong-Sarad Grace
Common Stock
|
2025-12-03 | Sell | 8,056 | $1.12 | 9,023 |
|
Berkley Neil Lindsay
Common Stock
|
2025-11-10 | Grant | 65,000 | $0.00 | |
|
Wong-Sarad Grace
Common Stock
|
2025-11-10 | Grant | 32,343 | $0.00 | |
|
Berkley Neil Lindsay
Employee Stock Option (right to buy) · derivative
|
2025-11-10 | Grant | 195,000 | $0.00 | |
|
Rosenthal Arnon
Employee Stock Option (right to buy) · derivative
|
2025-11-10 | Grant | 522,500 | $0.00 | |
|
Wong-Sarad Grace
Employee Stock Option (right to buy) · derivative
|
2025-11-10 | Grant | 48,535 | $0.00 | |
|
Rosenthal Arnon
Common Stock
|
2025-11-10 | Grant | 174,167 | $0.00 | |
|
Common Stock
|
2025-09-02 | Sell | 23,638 | $2.50 | 59,095 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 138 | 84,586,397 |
| 2025-12-31 | 131 | 81,444,566 |
| 2025-09-30 | 150 | 70,997,576 |
| 2025-06-30 | 136 | 63,854,603 |
| 2025-03-31 | 143 | 72,672,789 |
| 2024-12-31 | 151 | 72,510,667 |
| 2024-09-30 | 161 | 74,678,205 |
| 2024-06-30 | 162 | 73,825,840 |
| 2024-03-31 | 159 | 82,142,505 |
| 2023-12-31 | 150 | 69,167,050 |
| 2023-09-30 | 150 | 62,225,153 |
| 2023-06-30 | 146 | 59,015,775 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Diversified Trust Co | [2026-06-30] | SOLE | 0 | 42,351 |
| Wealth Enhancement Advisory Services LLC | [2026-06-30] | SOLE | 989 | 30,251 |
| Hamilton Lane Advisors LLC | [2026-06-30] | SOLE | 10,286 | 14,400 |
| Merit Financial Group LLC | [2026-06-30] | SOLE | 19 | 6,492 |
| Merit Financial Group LLC | [2026-06-30] | OTR | 0 | 4,751 |
| Gamma Investing LLC | [2026-06-30] | DFND | 1,523 | 1,523 |
| True Wealth Design LLC | [2026-06-30] | SOLE | 0 | 867 |
| Physician Wealth Advisors Inc | [2026-06-30] | SOLE | 0 | 752 |
| Hughes Financial Services LLC | [2026-06-30] | SOLE | 388 | 388 |
| Farther Finance Advisors LLC | [2026-06-30] | SOLE | 0 | 253 |
| Fortitude Family Office LLC | [2026-06-30] | SOLE | 134 | 134 |
| IFP Advisors LLC | [2026-06-30] | SOLE | 94 | 94 | Prev | Page 1 | Next |