NMZ

Nuveen Municipal High Income Opportunity Fund$10.27+0.02 (+0.20%)

Prev Close$10.25·MCap$1.25B·P/E—·Vol617.8K·Yield—

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Buys (12M)

$1.0K

▼

Sells (12M)

$0.00

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Net Activity

Net Buyer

$1.0K

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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 exclusively buying, with 1 insider purchase totaling $1.0K and 0 insider sales totaling $0.00. The most recent insider transaction was by Siffermann William A (officer: Vice President), who purchased $1.0K worth of shares on Mar 6, 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
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
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%