Insider Trading & Ownership of Stephen H. Rusckowski

Location
Deerfield, IL
Summary
The estimated net worth of Stephen H. Rusckowski is at least $49,382,427 dollars as of 20 Nov 2025. Stephen H. Rusckowski is the Director of QUEST DIAGNOSTICS INC and owns shares of QUEST DIAGNOSTICS INC (DGX) stock worth about $47.87M. Stephen H. Rusckowski is the Director of TENET HEALTHCARE CORP and owns shares of TENET HEALTHCARE CORP (THC) stock worth about $835K. Stephen H. Rusckowski is the Director of BAXTER INTERNATIONAL INC and owns shares of BAXTER INTERNATIONAL INC (BAX) stock worth about $564.8K. Stephen H. Rusckowski is the Director of ORACLE CORP and owns shares of ORACLE CORP (ORCL) stock worth about $115.6K.
Signature
/s/ Aimee Weast by Aimee Weast, Attorney in Fact for Stephen Rusckowski (POA filed 11/20/2025)
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Quick Takeaways

  • Stephen H. Rusckowski has 4 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $49,382,427.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: QUEST DIAGNOSTICS INC ($47,867,056).
  • 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 Stephen H. Rusckowski

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
DGX QUEST DIAGNOSTICS INC Director $47,867,056 06 Mar 2023
THC TENET HEALTHCARE CORP Director $835,011 22 May 2025
BAX BAXTER INTERNATIONAL INC Director $564,760 06 May 2025
ORCL, ORCL-PD ORACLE CORP Director $115,600 18 Nov 2025

Insider Transactions Reported by Stephen H. Rusckowski:

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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