Quick Takeaways
- Gary M. Pfeiffer has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $5,368,214.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Gary M. Pfeiffer
- Location
- Secaucus, NJ
- Summary
- The estimated net worth of Gary M. Pfeiffer is at least $5,368,214 dollars as of 24 Oct 2025. Gary M. Pfeiffer is the Director of QUEST DIAGNOSTICS INC and owns shares of QUEST DIAGNOSTICS INC (DGX) stock worth about $5.37M.
- Signature
- Sean D. Mersten, Attorney in Fact for Gary M. Pfeiffer
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Gary M. Pfeiffer and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: QUEST DIAGNOSTICS INC ($5,368,214).
- Past-year value change for that position: -$270,317.
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
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Gary M. Pfeiffer
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| DGX | QUEST DIAGNOSTICS INC | Director | $5,368,214 | -$270,317 | -4.8% | 22 Oct 2025 |
Insider Transactions Reported by Gary M. Pfeiffer:
| 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.