William A. Siffermann, Vice President at NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ), bought 300 shares at $11.08 ($3K) on 2025-03-21, disclosed to the SEC on 2025-03-24.
Open-market purchase of $3k NMZ by Vice President. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Clearly above the average filing.
| Filing → |
| NBB | BUY | 2026-03-06 | $1K | — | Filing → |
| JRS | BUY | 2026-03-06 | $811 | — | Filing → |
| NMZ | BUY | 2026-03-06 | $1K | — | Filing → |