James B. Bucher serves as Executive at ALDER BIOPHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, James B. Bucher has executed 10 insider transactions totaling $26.3K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 8, 2026 involved receiving (via award) 100,000 shares valued at $0.
James B. Bucher currently holds 100,000 shares of ALDER BIOPHARMACEUTICALS INC (ALDR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, James B. Bucher has been a net seller of ALDR stock. They have purchased $0 and sold $26.3K worth of shares.
James B. Bucher's most recent insider trade was on Jan 8, 2026, when they sold 100,000 shares at $0.00 per share.
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| $18.00 |
| Discretionary |
| Oct 22, 2019 | ALDR | $0 | Award | 15,619 | $N/A | Discretionary |
| Oct 11, 2019 | ALDR | $8.3K | Award | 904 | $9.20 | Discretionary |
| May 31, 2019 | ALDR | $12.4K | Award | 1,345 | $9.20 | Discretionary |
| Apr 25, 2019 | ALDR | $26.3K | Sale | 1,897 | $13.85 | Discretionary |
| Apr 23, 2019 | ALDR | $0 | Award | 7,810 | $N/A | Discretionary |
| Nov 30, 2018 | ALDR | $2.6K | Award | 273 | $9.35 | Discretionary |
| May 31, 2018 | ALDR | $18.7K | Award | 2,000 | $9.35 | Discretionary |
| Nov 30, 2017 | ALDR | $15.2K | Award | 1,623 | $9.35 | Discretionary |