Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-06-20 Sale | 2025-06-23 4:05 pm | Alector Inc. | ALEC | Yaffe Kristine Director | 1,000 | $1.44 | $1,440 | 95,409 (Direct) | View |
| 2025-06-02 Sale | 2025-06-04 4:21 pm | Alector Inc. | ALEC | GRASSO MARC Chief Financial Officer | 16,488 | $1.3384 | $22,068 | 296,072 (Direct) | View |
| 2025-06-02 Sale | 2025-06-04 4:19 pm | Alector Inc. | ALEC | Kenkare-Mitra Sara President and Head of R&D | 23,890 | $1.3384 | $31,974 | 512,252 (Direct) | View |
| 2025-06-02 Sale | 2025-06-04 4:18 pm | Alector Inc. | ALEC | Rosenthal Arnon Chief Executive Officer | 52,087 | $1.3384 | $69,713 | 6,345,032 (Indirect Direct) | View |
| 2025-03-03 Sale | 2025-03-05 4:05 pm | Alector Inc. | ALEC | Kenkare-Mitra Sara President and Head of R&D | 29,073 | $1.4674 | $42,662 | 536,142 (Direct) | View |
| 2025-03-03 Sale | 2025-03-05 4:05 pm | Alector Inc. | ALEC | Rosenthal Arnon Chief Executive Officer | 40,330 | $1.4673 | $59,176 | 6,397,119 (Indirect Direct) | View |
| 2025-03-03 Sale | 2025-03-05 4:05 pm | Alector Inc. | ALEC | GRASSO MARC Chief Financial Officer | 18,091 | $1.4674 | $26,547 | 312,560 (Direct) | View |
| 2025-03-03 Sale | 2025-03-05 4:05 pm | Alector Inc. | ALEC | Romano Gary Chief Medical Officer | 16,306 | $1.4674 | $23,927 | 332,977 (Direct) | View |
| 2024-12-02 Sale | 2024-12-03 5:40 pm | Alector Inc. | ALEC | GRASSO MARC Chief Financial Officer | 16,489 | $2.5194 | $41,542 | 330,651 (Direct) | View |
| 2024-12-02 Sale | 2024-12-03 5:40 pm | Alector Inc. | ALEC | Rosenthal Arnon Chief Executive Officer | 52,172 | $2.5194 | $131,442 | 6,437,449 (Indirect Direct) | View |
| 2024-12-02 Sale | 2024-12-03 5:40 pm | Alector Inc. | ALEC | Kenkare-Mitra Sara President and Head of R&D | 26,500 | $2.5194 | $66,764 | 565,215 (Direct) | View |
| 2024-12-02 Sale | 2024-12-03 5:40 pm | Alector Inc. | ALEC | Romano Gary Chief Medical Officer | 14,892 | $2.5194 | $37,519 | 349,283 (Direct) | View |
| 2024-09-03 Sale | 2024-09-04 4:44 pm | Alector Inc. | ALEC | GRASSO MARC Chief Financial Officer | 7,297 | $4.8815 | $35,620 | 130,740 (Direct) | View |
| 2024-09-03 Sale | 2024-09-04 4:15 pm | Alector Inc. | ALEC | Rosenthal Arnon Chief Executive Officer | 26,499 | $4.8827 | $129,387 | 5,879,121 (Indirect Direct) | View |
| 2024-09-03 Sale | 2024-09-04 4:15 pm | Alector Inc. | ALEC | Kenkare-Mitra Sara President and Head of R&D | 13,926 | $4.8816 | $67,981 | 291,715 (Direct) | View |
| 2024-09-03 Sale | 2024-09-04 4:15 pm | Alector Inc. | ALEC | Romano Gary Chief Medical Officer | 8,478 | $4.8815 | $41,385 | 179,795 (Direct) | View |
| 2024-08-22 Sale | 2024-08-23 4:05 pm | Alector Inc. | ALEC | SCHELLER RICHARD H Director | 44,250 | $5.1613 | $228,388 | 35,000 (Direct) | View |
| 2024-08-12 Sale | 2024-08-13 7:55 pm | Alector Inc. | ALEC | Hammond Paula Director | 10,500 | $5.0647 | $53,179 | 60,209 (Direct) | View |
| 2024-08-12 Sale | 2024-08-13 7:55 pm | Alector Inc. | ALEC | Yaffe Kristine Director | 5,000 | $5.0618 | $25,309 | 67,709 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-07-01 Option Award | 2025-07-01 5:00 pm | N/A 2035-07-01 | Alector Inc. | ALEC | Berkley Neil Lindsay Principal Financial Officer | 18,000 | $0 | 18,000 (Direct) | View |
| 2025-07-01 Option Award | 2025-07-01 5:00 pm | N/A 2035-07-01 | Alector Inc. | ALEC | Kenkare-Mitra Sara President and Head of R&D | 72,975 | $0 | 585,227 (Direct) | View |
| 2025-07-01 Option Award | 2025-07-01 5:00 pm | N/A 2035-07-01 | Alector Inc. | ALEC | Rosenthal Arnon Chief Executive Officer | 182,825 | $0 | 6,527,857 (Direct) | View |
Ownership | 2025-06-30 4:45 pm | N/A N/A | Alector Inc. | ALEC | Berkley Neil Lindsay Principal Financial Officer | 0 | $0 | 375,387 (Direct) | View |
Ownership | 2025-06-30 4:45 pm | N/A N/A | Alector Inc. | ALEC | Wong-Sarad Grace Principal Accounting Officer | 0 | $0 | 199,588 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | Hammond Paula Director | 38,150 | $0 | 98,359 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | Yaffe Kristine Director | 38,150 | $0 | 105,859 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | GAROFALO ELIZABETH A. Director | 38,150 | $0 | 99,400 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | SCHELLER RICHARD H Director | 38,150 | $0 | 104,816 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | LAVIGNE LOUIS J JR Director | 38,150 | $0 | 119,411 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | DESOUZA ERROL B Director | 38,150 | $0 | 79,400 (Direct) | View |
| 2025-06-11 Option Award | 2025-06-12 6:05 pm | N/A 2035-06-10 | Alector Inc. | ALEC | Altmeyer Mark Director | 38,150 | $0 | 79,400 (Direct) | View |
| 2025-05-02 Option Award | 2025-05-02 6:00 pm | N/A N/A | Alector Inc. | ALEC | SCHELLER RICHARD H Director | 15,833 | $0 | 66,666 (Direct) | View |
| 2024-08-02 Option Award | 2024-10-10 4:05 pm | N/A N/A | Alector Inc. | ALEC | SCHELLER RICHARD H Director | 15,833 | $0 | 50,833 (Direct) | View |
| 2024-10-01 Option Award | 2024-10-02 4:05 pm | N/A N/A | Alector Inc. | ALEC | GRASSO MARC Chief Financial Officer | 216,400 | $0 | 347,140 (Direct) | View |
| 2024-10-01 Option Award | 2024-10-02 4:05 pm | N/A N/A | Alector Inc. | ALEC | Kenkare-Mitra Sara President and Head of R&D | 300,000 | $0 | 591,715 (Direct) | View |
| 2024-10-01 Option Award | 2024-10-02 4:05 pm | N/A N/A | Alector Inc. | ALEC | Rosenthal Arnon Chief Executive Officer | 610,500 | $0 | 6,489,621 (Direct) | View |
| 2024-10-01 Option Award | 2024-10-02 4:05 pm | N/A N/A | Alector Inc. | ALEC | Romano Gary Chief Medical Officer | 184,380 | $0 | 364,175 (Direct) | View |
| 2024-06-12 Option Award | 2024-06-12 4:46 pm | N/A N/A | Alector Inc. | ALEC | LAVIGNE LOUIS J JR Director | 35,000 | $0 | 81,261 (Direct) | View |
| 2024-06-12 Option Award | 2024-06-12 4:46 pm | N/A N/A | Alector Inc. | ALEC | Yaffe Kristine Director | 35,000 | $0 | 72,709 (Direct) | View |
| 2024-06-12 Option Award | 2024-06-12 4:46 pm | N/A N/A | Alector Inc. | ALEC | GAROFALO ELIZABETH A. Director | 35,000 | $0 | 61,250 (Direct) | View |