Form4insider filings, from the source

Company · CIK 0001266585 · NYSE

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND · NMZ

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $264k · 7sales $314k · 6net −$50k
$10k$10k$100k$100k$1M$1MbuyssalesMar 2015Feb 2017Jan 2019Nov 2020Oct 2022Sep 2024Aug 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 4, 2026 SForm 4 →Aug 6, 1:39 pm EDTBANK OF AMERICA CORP +110% Owner3$10.27$310−100%
Aug 4, 2026 PForm 4 →Aug 6, 1:39 pm EDTBANK OF AMERICA CORP +110% Owner3$10.18$313—
Aug 3, 2026 PForm 4 →Aug 4, 2:48 pm EDTBANK OF AMERICA CORP +110% Owner36$10.21$36836—
Jul 31, 2026 SForm 4 →Aug 4, 2:48 pm EDTBANK OF AMERICA CORP +110% Owner36$10.27$3700−100%
Jul 24, 2026 SForm 4 →Jul 28, 1:40 pm EDTBANK OF AMERICA CORP +110% Owner9$10.18$920−100%
Jul 24, 2026 PForm 4 →Jul 28, 1:40 pm EDTBANK OF AMERICA CORP +110% Owner9$10.24$929—
Jun 22, 2026 SForm 4 →Jun 29, 1:46 pm EDTAlbin F MoschnerOther2,912$10.36$30,180736−79.8% late
Nov 15, 2018 PForm 4 →Nov 16, 3:28 pm ESTWilliam A SiffermannVice President150$11.83$1,775310+93.9% plan?
Feb 26, 2018 JForm 4 →Feb 27, 12:35 pm ESTBANK OF AMERICA CORP +110% Owner1,740——870— plan?
Aug 8, 2017 PForm 4 →Aug 10, 2:51 pm EDTTerence J TothTrustee1,838$13.59$24,9851,838— plan?
May 18, 2017 SForm 4 →May 18, 6:05 pm EDTNuveen Fund Advisors, LLCOther6,794$13.32$90,4850−100% plan?
Dec 7, 2016 SForm 4 →Dec 9, 5:24 pm ESTWilliam J SchneiderOther14,900$12.92$192,5080−100% plan?
Dec 15, 2015 PForm 4 →Dec 17, 4:34 pm ESTWilliam J SchneiderOther14,900$13.55$201,89514,900— plan?
Jul 1, 2015 JForm 4 →Jul 2, 3:40 pm EDTBANK OF AMERICA CORP +110% Owner1,740——870— plan?
Mar 19, 2015 PForm 4 →Mar 23, 3:19 pm EDTJohn V MillerOther2,550$13.70$34,93525,950+10.9% plan?

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.