Quick Takeaways
- Peter Altabef has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $7,047,336.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Peter Altabef
- Location
- Blue Bell, PA
- Summary
- The estimated net worth of Peter Altabef is at least $7,047,336 dollars as of 13 May 2026. Peter Altabef is the Director of UNISYS CORP and owns shares of UNISYS CORP (UIS) stock worth about $4.41M. Peter Altabef is the Director of NISOURCE INC. and owns shares of NISOURCE INC. (NI) stock worth about $2.64M.
- Signature
- /s/ Ashley Bancroft, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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What Changed
- Largest disclosed position: UNISYS CORP ($4,405,659).
- 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 Peter Altabef
UIS
Forms 3/4/5
UNISYS CORP
- Relationship
- Director
- Holdings value
- $4,405,659
- Past year net change
- Change %
- Report period
- 27 Feb 2026
NI
Forms 3/4/5
NISOURCE INC.
- Relationship
- Director
- Holdings value
- $2,641,677
- Past year net change
- Change %
- Report period
- 11 May 2026
Insider Transactions Reported by Peter Altabef:
| 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.