Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Peter Altabef files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Melody Birmingham - $2.18M in NI purchases and sales in the last 12 months
- Lloyd M. Yates - $950K in NI purchases and sales in the last 12 months
- Melanie B. Berman - $715K in NI purchases and sales in the last 12 months
- Shawn Anderson - $563K in NI purchases and sales in the last 12 months
- Troy Richardson - $484K in UIS purchases and sales in the last 12 months
- Kimberly S. Cuccia - $345K in NI purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Peter Altabef?
Peter Altabef is a corporate insider, tracked as Director of NISOURCE INC. (NI). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Peter Altabef last file a Form 4?
The most recent primary Form 4 on record is dated 13 May 2026, one of 4 filings going back to 2025.
