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NMZ

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $9.09 +0.7% on the day -7.7% over 12 months 52-week range $8.76 – $10.36

Share price and insider trades

NMZ closeInsider buyInsider sale
8.509.009.5010.0010.50NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $31 on 2026-08-04 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $31 on 2026-08-04 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $52 on 2026-07-31 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $92 on 2026-07-24 · Merrill Lynch, Pierce, Fenner & Smith Inc.Bought $92 on 2026-07-24 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $318 on 2026-08-03 · Merrill Lynch, Pierce, Fenner & Smith Inc.Bought $368 on 2026-08-03 · Merrill Lynch, Pierce, Fenner & Smith Inc.Bought $1,048 on 2026-03-05 · William A SiffermannBought $2,018 on 2025-10-09 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $2,018 on 2025-10-09 · Merrill Lynch, Pierce, Fenner & Smith Inc.Bought $10,320 on 2025-12-19 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $10,540 on 2025-12-19 · Merrill Lynch, Pierce, Fenner & Smith Inc.Sold $30,175 on 2026-06-22 · Albin F MoschnerBought $68,006 on 2025-10-10 · Bank Of America Corp /De/Sold $68,522 on 2025-10-10 · Bank Of America Corp /De/
Bought, 12 months$78K
Sold, 12 months$112K
Insiders buying2
Insiders selling3

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND insider trading at a glance (Oct 9, 2026): in the past 12 months, 2 insiders bought $78K and 3 sold $112K of NMZ stock on the open market.

NMZ insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $80K bought (3 trades)$80KQ4 2025: $81K sold (3 trades)Q4 2025Q1 2026: $1K bought (1 trades)$1KQ1 2026Q2 2026: $30K sold (2 trades)Q2 2026Q3 2026: $490 bought (8 trades)$490Q3 2026: $492 sold (8 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026$4908$4928
Q2 2026—0$30K2
Q1 2026$1K1—0
Q4 2025$80K3$81K3

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day2.2×Last 5 sessions
Insiders' paper profit−$11KOn all tracked purchases -13.7%

Summary

Over the past 12 months, 2 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND insiders reported open-market purchases totaling $78K, while 3 insiders reported sales totaling $112K. Among insiders with enough purchase history to measure, Merrill Lynch, Pierce, Fenner & Smith Inc. (10% Owner) has the highest Insider Score at 54. 0 of 13 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Aug 6SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 11 held (−50%) $10.32 $10 -11.9% 54
Aug 6SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 12 held (−33%) $10.24 $10 -11.2% 54
Aug 6SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 1 $10.23 $10 -11.1% 54
Aug 6SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 1new position $10.19 $10 -10.8% 54
Aug 6SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 12 held (+100%) $10.19 $10 -10.8% 54
Aug 6SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 13 held (+50%) $10.18 $10 -10.7% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 1415 held (−48%) $10.24 $143 -11.2% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 1421 held (+200%) $10.21 $143 -11.0% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 105 held (−67%) $10.23 $102 -11.1% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 1031 held (+48%) $10.21 $102 -11.0% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 729 held (−19%) $10.32 $72 -11.9% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 7new position $10.20 $71 -10.9% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 5 $10.33 $52 -12.0% 54
Aug 4SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 536 held (+16%) $10.22 $51 -11.1% 54
Jul 28SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 9new position $10.24 $92 -11.2% 54
Jul 28SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 9 $10.18 $92 -10.7% 54
Jun 29SEC Albin F MoschnerTrustee Sell 1,8123,788 held (−32%) $10.37 $19K -12.3% —
Jun 29SEC Albin F MoschnerTrustee Sell 1,100736 held (−60%) $10.35 $11K -12.2% —
Mar 6SEC William A SiffermannPresident Buy 100914 held (+12%) $10.48 $1K -13.3% —
Dec 22SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 1,000 $10.54 $11K -13.8% 54
Dec 22SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 1,000new position $10.32 $10K -11.9% 54
Oct 14SEC Bank Of America Corp /De/10% Owner Sell 6,440 $10.64 $69K -14.6% 50
Oct 14SEC Bank Of America Corp /De/10% Owner Buy 6,440new position $10.56 $68K -13.9% 50
Oct 10SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Buy 190new position $10.62 $2K -14.4% 54
Oct 10SEC Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner Sell 190 $10.62 $2K -14.4% 54

Insiders at NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

InsiderBoughtSoldLast filingScore
Bank Of America Corp /De/10% Owner $68K $69K Oct 14, 2025 50
Merrill Lynch, Pierce, Fenner & Smith Inc.10% Owner $13K $13K Aug 6, 2026 54
Albin F MoschnerTrustee — $30K Jun 29, 2026 —
William A SiffermannPresident $1K — Mar 6, 2026 —

NMZ stock: common questions

Are NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND insiders buying NMZ stock?

In the past 12 months, 2 insiders reported open-market purchases of NMZ worth $78K. The latest was 10% Owner Merrill Lynch, Pierce, Fenner & Smith Inc. bought $10 of NMZ at $10.19 — opens a new position.

Are NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND insiders selling NMZ stock?

3 insiders reported sales worth $112K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is NMZ's 52-week range?

Over the past year NMZ has traded between $8.76 and $10.36. It last closed at $9.09 on Oct 9, 2026.