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  • Insider Ownership

Insider Trading & Ownership of Mark H. Collin

Location
Hampton, NH
Summary
The estimated net worth of Mark H. Collin is at least $2,778,290 dollars as of 03 Oct 2025. Mark H. Collin is the Director of UNITIL CORP and owns shares of UNITIL CORP (UTL) stock worth about $2.78M.
Signature
/s/ Sandra L. Whitney, attorney-in-fact for Mark H. Collin
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Quick Takeaways

  • Mark H. Collin has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $2,778,290.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: UNITIL CORP ($2,778,290).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Mark H. Collin

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
UTL UNITIL CORP Director $2,778,290 01 Oct 2025

Insider Transactions Reported by Mark H. Collin:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.