Form4insider filings, from the source

Company · CIK 0000809844

MFS HIGH YIELD MUNICIPAL TRUST · CMU

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 8, 2026 JForm 4 →Jun 9, 4:50 pm EDTJPMorgan Chase Bank, N.A.10% Owner330——0—
Mar 24, 2016 JForm 4 →Apr 6, 4:56 pm EDTCITIGROUP INC10% Owner2,844$25,000.00$71,100,0000— plan? late

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

No reported derivative activity in this period.