Ronald Nyberg, Director at Guggenheim Build America Bonds Managed Duration Trust (GBAB), bought 505 shares at $19.82 ($10K) on 2011-10-28, disclosed to the SEC on 2011-10-28.
Open-market purchase of $10k GBAB by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| GUG | BUY | 2025-05-08 | $20K | — | Filing → |
| AVK | BUY | 2024-10-21 | $41K | — | Filing → |
| GUG | BUY | 2022-11-02 | $11K | — | Filing → |