United States Collective Investments

Nuveen Municipal High Income Opportunity Fund (NMZ)

Track

Over the past 90 days, Nuveen Municipal High Income Opportunity Fund recorded 12 insider transactions. Total buying activity amounted to approximately $459.72, while total selling activity reached $30,640.98. The activity was primarily driven by Bank of America Corp and Trustee Albin F. Moschner, reflecting a net selling position during this period amid a 1.0% stock price change.
Ticker: NMZ Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Nuveen Municipal High Income Opportunity Fund. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Sale 4 Aug 2026
Value US$2,489,055.90 | Price 288.62 | Shares 49,009 (+38.2%)
Sale 4 Aug 2026
Value US$4,817,738.27 | Price 120.55 | Shares 34,831 (+3.3%)
Sale 4 Aug 2026
Value US$100,000.00 | Price 10.24 | Shares 1,000 (-33.3%)
Buy 4 Aug 2026
Value US$100,000.00 | Price 10.18 | Shares 1,000 (+50.0%)
Buy 4 Aug 2026
Value US$100,000.00 | Price 10.19 | Shares 1,000 (+100.0%)
Buy 4 Aug 2026
Value US$100,000.00 | Price 10.19 | Shares 1,000 (+inf%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-06 2026-08-04 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
49,009 +38.2%
288.62
US$2,489,056 		49,009 +38.2% 288.62 US$2,489,056
2026-08-06 2026-08-04 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
34,831 +3.3%
120.55
US$4,817,738 		34,831 +3.3% 120.55 US$4,817,738
2026-08-06 2026-08-04 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
48,848 -33.4%
102.58
US$4,880,394 		48,848 -33.4% 102.58 US$4,880,394
2026-08-06 2026-08-04 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +50.0%
10.18
US$100,000 		1,000 +50.0% 10.18 US$100,000
2026-08-06 2026-08-04 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +100.0%
10.19
US$100,000 		1,000 +100.0% 10.19 US$100,000
2026-08-06 2026-08-04 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +inf%
10.19
US$100,000 		1,000 +inf% 10.19 US$100,000
2026-08-04 2026-08-03 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -66.7%
10.23
US$100,000 		1,000 -66.7% 10.23 US$100,000
2026-08-04 2026-08-03 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -48.3%
10.24
US$100,000 		1,000 -48.3% 10.24 US$100,000
2026-08-04 2026-08-03 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -19.4%
10.32
US$100,000 		1,000 -19.4% 10.32 US$100,000
2026-08-04 2026-08-03 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +16.1%
10.22
US$100,000 		1,000 +16.1% 10.22 US$100,000
2026-08-04 2026-08-03 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +47.6%
10.21
US$100,000 		1,000 +47.6% 10.21 US$100,000
2026-08-04 2026-08-03 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +200.0%
10.21
US$100,000 		1,000 +200.0% 10.21 US$100,000
2026-08-04 2026-08-03 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +inf%
10.20
US$100,000 		1,000 +inf% 10.20 US$100,000
2026-08-04 2026-07-31 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -100.0%
10.33
US$100,000 		1,000 -100.0% 10.33 US$100,000
2026-07-28 2026-07-24 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -100.0%
10.18
US$100,000 		1,000 -100.0% 10.18 US$100,000
2026-07-28 2026-07-24 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +inf%
10.24
US$100,000 		1,000 +inf% 10.24 US$100,000
2026-06-29 2026-06-22 S Sale
3.2
MOSCHNER ALBIN F

Trustee
1,100 -59.9%
10.35
US$11,389 		1,100 -59.9% 10.35 US$11,389
2026-06-29 2026-06-22 S Sale
3.2
MOSCHNER ALBIN F

Trustee
1,812 -32.4%
10.37
US$18,790 		1,812 -32.4% 10.37 US$18,790
2026-03-06 2026-03-05 B Purchase
2.2
Siffermann William A

Vice President

Officer
100 +12.3%
10.48
US$1,048 		100 +12.3% 10.48 US$1,048
2025-12-22 2025-12-19 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -100.0%
10.54
US$10,540 		1,000 -100.0% 10.54 US$10,540
2025-12-22 2025-12-19 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 +inf%
10.32
US$10,319 		1,000 +inf% 10.32 US$10,319
2025-10-14 2025-10-10 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
6,440 -100.0%
10.64
US$68,489 		6,440 -100.0% 10.64 US$68,489
2025-10-14 2025-10-10 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
6,440 +inf%
10.56
US$68,006 		6,440 +inf% 10.56 US$68,006
2025-10-10 2025-10-09 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
190 -100.0%
10.62
US$2,018 		190 -100.0% 10.62 US$2,018
2025-10-10 2025-10-09 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
190 +inf%
10.62
US$2,018 		190 +inf% 10.62 US$2,018
2025-09-19 2025-09-17 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
10,784 -100.0%
10.56
US$113,879 		10,784 -100.0% 10.56 US$113,879
2025-09-19 2025-09-17 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
10,784 +inf%
10.65
US$114,796 		10,784 +inf% 10.65 US$114,796
2025-03-24 2025-03-21 B Purchase
2.2
Siffermann William A

Vice President

Officer
300 +96.8%
11.08
US$3,322 		300 +96.8% 11.08 US$3,322
2025-01-17 2025-01-15 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
5 -100.0%
10.94
US$55 		5 -100.0% 10.94 US$55
2025-01-17 2025-01-15 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1 -16.7%
10.96
US$11 		1 -16.7% 10.96 US$11
2025-01-17 2025-01-15 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
5 +500.0%
10.79
US$54 		5 +500.0% 10.79 US$54
2025-01-17 2025-01-15 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1 +inf%
10.79
US$11 		1 +inf% 10.79 US$11
2024-12-06 2024-12-03 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
75 -100.0%
11.54
US$866 		75 -100.0% 11.54 US$866
2024-12-06 2024-12-03 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
75 +inf%
11.55
US$866 		75 +inf% 11.55 US$866
2023-10-26 2023-10-26 B Purchase
3.3
Jones Nathaniel T.

Vice President and Treasurer

Officer
1,100 +inf%
8.33
US$9,160 		1,100 +inf% 8.33 US$9,160
2023-10-25 2023-10-25 S Sale
3.0
TOTH TERENCE J

Trustee

Officer
3,597 -100.0%
8.50
US$30,576 		3,597 -100.0% 8.50 US$30,576
2023-10-25 2023-10-25 S Sale
3.0
TOTH TERENCE J

Trustee

Officer
500 -12.2%
8.50
US$4,250 		500 -12.2% 8.50 US$4,250
2023-10-25 2023-10-25 S Sale
3.0
TOTH TERENCE J

Trustee

Officer
100 -2.4%
8.51
US$850 		100 -2.4% 8.51 US$850
2023-10-25 2023-10-25 S Sale
3.0
TOTH TERENCE J

Trustee

Officer
6 -0.1%
8.51
US$51 		6 -0.1% 8.51 US$51
2023-10-25 2023-10-25 S Sale
3.0
TOTH TERENCE J

Trustee

Officer
5 -0.1%
8.51
US$43 		5 -0.1% 8.51 US$43
2023-08-10 2023-08-10 B Purchase
3.2
MOSCHNER ALBIN F

Trustee
800 +inf%
10.40
US$8,320 		800 +inf% 10.40 US$8,320
2023-08-10 2023-08-10 B Purchase
3.2
MOSCHNER ALBIN F

Trustee
4,100 +273.3%
10.38
US$42,558 		4,100 +273.3% 10.38 US$42,558
2022-11-28 2022-11-28 B Purchase
3.0
TOTH TERENCE J

Trustee

Officer
1,015 +31.8%
10.97
US$11,135 		1,015 +31.8% 10.97 US$11,135
2022-11-28 2022-11-28 B Purchase
3.0
TOTH TERENCE J

Trustee

Officer
1,355 +73.7%
10.97
US$14,864 		1,355 +73.7% 10.97 US$14,864
2022-05-26 2022-05-26 B Purchase
3.2
MOSCHNER ALBIN F

Trustee
1,500 +inf%
12.33
US$18,495 		1,500 +inf% 12.33 US$18,495
2018-11-16 2018-11-15 B Purchase Siffermann William A

Vice President

Officer
150 +93.9%
11.83
US$1,775 		150 +93.9% 11.83 US$1,775
2017-08-10 2017-08-08 B Purchase TOTH TERENCE J

Trustee
638 +53.2%
13.59
US$8,671 		638 +53.2% 13.59 US$8,671
2017-08-10 2017-08-08 B Purchase TOTH TERENCE J

Trustee
1,200 +inf%
13.60
US$16,314 		1,200 +inf% 13.60 US$16,314
2017-05-18 2017-05-18 S Sale Nuveen Fund Advisors, LLC

Investment Adviser
6,794 -100.0%
13.32
US$90,485 		6,794 -100.0% 13.32 US$90,485
2016-12-09 2016-12-07 S Sale SCHNEIDER WILLIAM J

Trustee
14,900 -100.0%
12.92
US$192,508 		14,900 -100.0% 12.92 US$192,508
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
500 -9.0%
13.53
US$6,765 		500 -9.0% 13.53 US$6,765
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
100 -1.8%
13.53
US$1,353 		100 -1.8% 13.53 US$1,353
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
50 -0.9%
13.53
US$676 		50 -0.9% 13.53 US$676
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
100 -1.7%
13.53
US$1,353 		100 -1.7% 13.53 US$1,353
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
100 -1.7%
13.53
US$1,353 		100 -1.7% 13.53 US$1,353
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
100 -1.7%
13.53
US$1,353 		100 -1.7% 13.53 US$1,353
2024-12-13 2016-11-08 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,000 -14.3%
13.53
US$13,530 		1,000 -14.3% 13.53 US$13,530
2024-12-13 2016-11-08 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
7,000 +inf%
13.54
US$94,780 		7,000 +inf% 13.54 US$94,780
2024-12-13 2016-10-03 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
488 -100.0%
14.48
US$7,066 		488 -100.0% 14.48 US$7,066
2024-12-13 2016-09-27 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
488 +inf%
14.58
US$7,114 		488 +inf% 14.58 US$7,114
2024-12-13 2016-09-22 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
132 +100.0%
14.59
US$1,926 		132 +100.0% 14.59 US$1,926
2024-12-13 2016-09-06 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
132 -100.0%
15.08
US$1,991 		132 -100.0% 15.08 US$1,991
2024-12-13 2016-08-18 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
4 -100.0%
15.08
US$60 		4 -100.0% 15.08 US$60
2024-12-13 2016-08-11 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
4 +inf%
15.06
US$60 		4 +inf% 15.06 US$60
2024-12-13 2016-06-20 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
210 -100.0%
14.59
US$3,064 		210 -100.0% 14.59 US$3,064
2024-12-13 2016-06-20 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
590 -73.8%
14.53
US$8,571 		590 -73.8% 14.53 US$8,571
2024-12-13 2016-06-20 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,340 -62.6%
14.56
US$19,510 		1,340 -62.6% 14.56 US$19,510
2024-12-13 2016-06-17 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
1,340 +167.5%
14.60
US$19,564 		1,340 +167.5% 14.60 US$19,564
2024-12-13 2016-06-17 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
590 +281.0%
14.59
US$8,610 		590 +281.0% 14.59 US$8,610
2024-12-13 2016-06-17 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
210 +inf%
14.60
US$3,066 		210 +inf% 14.60 US$3,066
2024-12-13 2016-01-22 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
15 -100.0%
13.80
US$207 		15 -100.0% 13.80 US$207
2024-12-13 2016-01-15 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
15 +inf%
13.84
US$208 		15 +inf% 13.84 US$208
2015-12-17 2015-12-15 B Purchase SCHNEIDER WILLIAM J

Trustee
14,900 +inf%
13.55
US$201,895 		14,900 +inf% 13.55 US$201,895
2024-12-13 2015-08-05 B Purchase
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
29 +100.0%
13.34
US$387 		29 +100.0% 13.34 US$387
2024-12-13 2015-07-31 S Sale
2.9
BANK OF AMERICA CORP /DE/
Large shareholder
29 -100.0%
13.38
US$388 		29 -100.0% 13.38 US$388
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