A Shrewsbury man was arraigned Monday for allegedly committing sexual assaults against five boys under the age of 12 at his home over a three-year period, records show.

Eric Thomas Sladen, 46, pleaded not guilty in Westborough District Court to 10 counts of indecent assault and battery on a child, two counts of assault and battery, and one count of witness intimidation, according to legal filings.

He posted $25,000 bail and will have to remain on house arrest while the case is pending, court papers said.

Sladen’s lawyer didn’t immediately respond to a request for comment.

A police report filed in the case described Sladen as the “target of an ongoing criminal investigation” involving the boys, four of whom were 11 at the time of the encounters. The fifth boy was 9.

The report didn’t s

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