Quick Takeaways
- David B. Dillon has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $5,422,409.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of David B. Dillon
- Location
- St. Paul, MN
- Summary
- The estimated net worth of David B. Dillon is at least $5,422,409 dollars as of 02 Apr 2026. David B. Dillon is the Director of UNION PACIFIC CORP and owns shares of UNION PACIFIC CORP (UNP) stock worth about $3.1M. David B. Dillon is the Director of 3M CO and owns shares of 3M CO (MMM) stock worth about $2.32M.
- Signature
- By: Trevor L. Kingston, Attorney-in-Fact For: David B. Dillon
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow David B. Dillon and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: UNION PACIFIC CORP ($3,099,709).
- 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
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of David B. Dillon
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| UNP | UNION PACIFIC CORP | Director | $3,099,709 | 01 Apr 2026 | ||
| MMM | 3M CO | Director | $2,322,700 | 13 May 2025 |
Insider Transactions Reported by David B. Dillon:
| 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.