Calvin Yu serves as Executive at Alector, Inc., where they oversee executive responsibilities. Since joining the company, Calvin Yu has executed 22 insider transactions totaling $6.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 6, 2021 involved exercising options for 1,667 shares valued at $28.6K.
Calvin Yu currently holds 80,020 shares of Alector, Inc. (ALEC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Calvin Yu has been a net seller of ALEC stock. They have purchased $0 and sold $6.7M worth of shares.
Calvin Yu's most recent insider trade was on Jul 6, 2021, when they sold 1,667 shares at $17.15 per share.
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| $34.65 |
| Discretionary |
| Jul 6, 2021 | ALEC | $8.5K | Option Exercise | 1,042 | $8.16 | Discretionary |
| Jul 6, 2021 | ALEC | $6.3K | Option Exercise | 625 | $10.14 | Discretionary |
| Jul 2, 2021 | ALEC | $150.3K | Option Exercise | 18,420 | $8.16 | Discretionary |
| Jul 2, 2021 | ALEC | $114.1K | Option Exercise | 11,250 | $10.14 | Discretionary |
| Jul 2, 2021 | ALEC | $534.6K | Option Exercise | 31,170 | $17.15 | Discretionary |
| Jul 2, 2021 | ALEC | $2.8M | Sale | 90,840 | $31.14 | Discretionary |
| Jul 2, 2021 | ALEC | $800.4K | Sale | 20,000 | $40.02 | Discretionary |
| Jun 2, 2021 | ALEC | $32.8K | Sale | 1,844 | $17.77 | Discretionary |
| May 7, 2021 | ALEC | $0 | Award | 16,000 | $N/A | Discretionary |
| Jun 3, 2020 | ALEC | $32.4K | Sale | 1,043 | $31.04 | Discretionary |
| Jun 3, 2020 | ALEC | $9.6K | Sale | 300 | $32.02 | Discretionary |
| Feb 7, 2020 | ALEC | $23.1K | Option Exercise | 2,825 | $8.16 | Discretionary |
| Feb 7, 2020 | ALEC | $75.0K | Option Exercise | 7,400 | $10.14 | Discretionary |
| Feb 7, 2020 | ALEC | $841.6K | Sale | 24,033 | $35.02 | Discretionary |
| Feb 6, 2020 | ALEC | $7.4K | Option Exercise | 725 | $10.14 | Discretionary |
| Feb 6, 2020 | ALEC | $91.7K | Sale | 2,621 | $35.00 | Discretionary |
| Feb 6, 2020 | ALEC | $8.9K | Option Exercise | 1,096 | $8.16 | Discretionary |
| Feb 4, 2020 | ALEC | $1.9M | Sale | 63,541 | $30.04 | Discretionary |
| Feb 4, 2020 | ALEC | $110.5K | Option Exercise | 13,541 | $8.16 | Discretionary |
| Dec 3, 2019 | ALEC | $24.1K | Sale | 1,315 | $18.31 | Discretionary |