ALEC
Alector, Inc.
NASDAQ · Healthcare · Biotechnology · US
$2.46
−1.99%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+54.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 9, 2026 | Wong-Sarad Grace · officer: Principal Accounting Officer | A-Award | 20,000 | $0.00 |
| Jun 17, 2026 | LAVIGNE LOUIS J JR · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | GAROFALO ELIZABETH A. · director | A-Award | 28,700 | $0.00 |
| Jun 17, 2026 | Hammond Paula · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | Altmeyer Mark · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | DESOUZA ERROL B · director | A-Award | 28,700 | $0.00 |
| Jun 17, 2026 | Yaffe Kristine · director | A-Award | 28,700 | $0.00 |
| Jun 17, 2026 | GAROFALO ELIZABETH A. · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | DESOUZA ERROL B · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | SCHELLER RICHARD H · director | A-Award | 28,700 | $0.00 |
| Jun 17, 2026 | SCHELLER RICHARD H · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | LAVIGNE LOUIS J JR · director | A-Award | 28,700 | $0.00 |
| Jun 17, 2026 | Altmeyer Mark · director | A-Award | 28,700 | $0.00 |
| Jun 17, 2026 | Yaffe Kristine · director | A-Award | 9,450 | $0.00 |
| Jun 17, 2026 | Hammond Paula · director | A-Award | 28,700 | $0.00 |
| Jun 3, 2026 | SCHELLER RICHARD H · director | A-Award | 10,833 | $0.00 |
| Apr 17, 2026 | Wong-Sarad Grace · officer: Principal Accounting Officer | Sale | 1,820 | $2.65 |
| Mar 13, 2026 | Berkley Neil Lindsay · officer: CFO & Chief Business Officer | A-Award | 54,600 | $0.00 |
| Mar 13, 2026 | Rosenthal Arnon · director, officer: Chief Executive Officer | A-Award | 116,246 | $0.00 |
| Mar 12, 2026 | Wong-Sarad Grace · officer: Principal Accounting Officer | Sale | 1,000 | $2.65 |
| Mar 3, 2026 | Wong-Sarad Grace · officer: Principal Accounting Officer | Sale | 3,367 | $2.08 |
| Feb 26, 2026 | Wong-Sarad Grace · officer: Principal Accounting Officer | Sale | 4,079 | $2.50 |
| Dec 8, 2025 | Wong-Sarad Grace · officer: Principal Accounting Officer | Sale | 4,753 | $1.21 |
| Dec 3, 2025 | Wong-Sarad Grace · officer: Principal Accounting Officer | Sale | 8,056 | $1.12 |
| Dec 3, 2025 | Berkley Neil Lindsay · officer: Chief Bus Ofcr & Interim CFO | Sale | 37,261 | $1.12 |
| Dec 3, 2025 | Kenkare-Mitra Sara · officer: President and Head of R&D | Sale | 41,687 | $1.12 |
| Dec 3, 2025 | Rosenthal Arnon · director, officer: Chief Executive Officer | Sale | 104,347 | $1.12 |
| Nov 12, 2025 | Rosenthal Arnon · director, officer: Chief Executive Officer | A-Award | 522,500 | $1.31 |
| Nov 12, 2025 | Wong-Sarad Grace · officer: Principal Accounting Officer | A-Award | 32,343 | $0.00 |
| Nov 12, 2025 | Rosenthal Arnon · director, officer: Chief Executive Officer | A-Award | 174,167 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 30Increased 42Reduced 43Sold out 136
| Filer | Action | Shares | Filed |
|---|---|---|---|
| TCG CROSSOVER MANAGEMENT, LLC | Unchanged | 10,000,000 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 7,741,245 | May 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 4,038,785 | May 13, 2026 |
| FORESITE CAPITAL MANAGEMENT IV, LLC | Unchanged | 3,887,200 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3,678,722 | May 15, 2026 |
| MERCK & CO., INC. | Unchanged | 3,545,719 | May 13, 2026 |
| D. E. SHAW & CO., INC. | Increased | 3,332,835 | May 15, 2026 |
| 683 CAPITAL MANAGEMENT, LLC | Reduced | 3,200,000 | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | Reduced | 2,935,253 | May 15, 2026 |
| NANTAHALA CAPITAL MANAGEMENT, LLC | New Position | 2,815,983 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2,583,542 | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2,286,218 | May 15, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | 2,154,361 | May 15, 2026 |
| Spruce Street Capital LP | Increased | 2,101,068 | May 14, 2026 |
| IKARIAN CAPITAL, LLC | Unchanged | 2,082,606 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 9, 2026