Insiders who reported open-market trades in the last 12 months at the companies Corbin J. Robertson III 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.
Gregory F. Wooten - $244K in NRP purchases and sales in the last 12 months
Kevin J. Craig - $34K in NRP purchases and sales in the last 12 months
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Corbin J. Robertson III is a corporate insider, tracked as Director of NATURAL RESOURCE PARTNERS LP (NRP). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Corbin J. Robertson III last file a Form 4?
The most recent primary Form 4 on record is dated 12 February 2026, one of 4 filings going back to 2024.
Has Corbin J. Robertson III been buying or selling stock?
Recorded transactions: 2 open-market purchases ($407K) and 0 open-market sales across all tracked filings.
Corbin J. Robertson III is Director of NATURAL RESOURCE PARTNERS LP (NRP). 4 SEC Form 4 filings on record going back to 2024, most recently on 12 February 2026. Most recent open-market trade: bought $124K of NOVA on 21 November 2024. Lifetime open-market purchases: $407K.
Recent transactions
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The latest 3 SEC Form 4 transactions reported by Corbin J. Robertson III.
InsiderAlpha's records for Corbin J. Robertson III go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. The typical open-market purchase is $203K (2 buys totaling $407K). The largest single buy on record is $282K of NOVA in 2024. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
