NMZ

Nuveen Municipal High Income Opportunity Fund$10.39-0.06 (-0.53%)

Prev Close$10.45·MCap$1.25B·P/E—·Vol513.2K·Yield—

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Buys (12M)

$1.0K

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Sells (12M)

$30.2K

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Net Activity

Net Seller

$29.1K

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Nuveen Municipal High Income Opportunity Fund (NMZ) has been dominated by selling, with 1 insider purchase totaling $1.0K and 1 insider sale totaling $30.2K. The most recent insider transaction was by MOSCHNER ALBIN F (other: Trustee), who sold $30.2K worth of shares on Jun 29, 2026. Nuveen Municipal High Income Opportunity Fund operates in the Technology sector, within the General industry, with a market cap of $1.25B.

NMZ Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 29, 2026	MOSCHNER ALBIN F	other: Trustee	Sell	2,912	$10.36	$30.2K	3,788-43%
Mar 6, 2026	Siffermann William A	officer: Vice President	Buy	100	$10.48	$1.0K	914
Mar 21, 2025	Siffermann William A	Vice President	Buy	300	$11.08	$3.3K	0
Jan 17, 2025	BANK OF AMERICA CORP /DE/		Buy	6	$10.79	$64.74	6
Jan 17, 2025	BANK OF AMERICA CORP /DE/		Sell	6	$10.94	$65.66	5-55%
Dec 6, 2024	BANK OF AMERICA CORP /DE/		Buy	75	$11.55	$865.88	75
Dec 6, 2024	BANK OF AMERICA CORP /DE/		Sell	75	$11.54	$865.54	0Exit
Oct 26, 2023	Jones Nathaniel T.	Vice President and Treasurer	Buy	1,100	$8.33	$9.2K	1,100
Oct 25, 2023	TOTH TERENCE J	Trustee	Sell	4,208	$8.50	$35.8K	4,203-50%
Aug 10, 2023	MOSCHNER ALBIN F		Buy	4,900	$10.38	$50.9K	5,600+700%
Nov 28, 2022	TOTH TERENCE J	Trustee	Buy	2,370	$10.97	$26.0K	4,208+129%
May 26, 2022	MOSCHNER ALBIN F		Buy	1,500	$12.33	$18.5K	1,500

NMZ Insider Buying Activity

The following table shows recent insider purchases of Nuveen Municipal High Income Opportunity Fund (NMZ) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 6, 2026	Siffermann William A	officer: Vice President	Buy	100	$10.48	$1.0K	914
Mar 21, 2025	Siffermann William A	Vice President	Buy	300	$11.08	$3.3K	0
Jan 17, 2025	BANK OF AMERICA CORP /DE/		Buy	6	$10.79	$64.74	6
Dec 6, 2024	BANK OF AMERICA CORP /DE/		Buy	75	$11.55	$865.88	75
Oct 26, 2023	Jones Nathaniel T.	Vice President and Treasurer	Buy	1,100	$8.33	$9.2K	1,100
Aug 10, 2023	MOSCHNER ALBIN F		Buy	4,900	$10.38	$50.9K	5,600+700%
Nov 28, 2022	TOTH TERENCE J	Trustee	Buy	2,370	$10.97	$26.0K	4,208+129%
May 26, 2022	MOSCHNER ALBIN F		Buy	1,500	$12.33	$18.5K	1,500

NMZ Insider Selling Activity

The following table shows recent insider sales of Nuveen Municipal High Income Opportunity Fund (NMZ) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 29, 2026	MOSCHNER ALBIN F	other: Trustee	Sell	2,912	$10.36	$30.2K	3,788-43%
Jan 17, 2025	BANK OF AMERICA CORP /DE/		Sell	6	$10.94	$65.66	5-55%
Dec 6, 2024	BANK OF AMERICA CORP /DE/		Sell	75	$11.54	$865.54	0Exit
Oct 25, 2023	TOTH TERENCE J	Trustee	Sell	4,208	$8.50	$35.8K	4,203-50%