Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Robert P. Otto 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.
- Kimberly F. Nooney - $1.03M in BKH purchases and sales in the last 12 months
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Frequently asked questions
Who is Robert P. Otto?
Robert P. Otto is a corporate insider of BLACK HILLS CORP /SD/ (BKH). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Robert P. Otto last file a Form 4?
The most recent primary Form 4 on record is dated 28 May 2026, one of 3 filings going back to 2025.
Has Robert P. Otto been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($305K) across all tracked filings.
