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Insider Trading & Ownership of Richard J. Nigon

Location
Circle Pines, MN
Summary
The estimated net worth of Richard J. Nigon is at least $11,757,557 dollars as of 13 Apr 2026. Richard J. Nigon is the Director of Celcuity Inc. and owns shares of Celcuity Inc. (CELC) stock worth about $9.02M. Richard J. Nigon is the Director of TACTILE SYSTEMS TECHNOLOGY INC and owns shares of TACTILE SYSTEMS TECHNOLOGY INC (TCMD) stock worth about $2.39M. Richard J. Nigon is the Director of NORTHERN TECHNOLOGIES INTERNATIONAL CORP and owns shares of NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) stock worth about $349.4K.
Signature
/s/ Griffin D. Foster, Attorney-in-Fact for Richard J. Nigon
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Quick Takeaways

  • Richard J. Nigon has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $11,757,557.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Celcuity Inc. ($9,021,054).
  • 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 Richard J. Nigon

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
CELC Celcuity Inc. Director $9,021,054 09 Apr 2026
TCMD TACTILE SYSTEMS TECHNOLOGY INC Director $2,387,137 17 May 2021
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP Director $349,366 01 Sep 2025

Insider Transactions Reported by Richard J. Nigon:

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.

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