Insiders who reported open-market trades in the last 12 months at the companies SK INC. 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.
NPEH, LLC - $18.63M in NPWR purchases and sales in the last 12 months
SK INC. is a corporate entity, tracked as 10% Owner of Net Power Inc. (NPWR). InsiderAlpha holds 23 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did SK INC. last file a Form 4?
The most recent primary Form 4 on record is dated 30 July 2025, one of 23 filings going back to 2024.
Has SK INC. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 42 open-market sales ($11.94M) across all tracked filings.
SK INC. is 10% Owner of Net Power Inc. (NPWR). 23 SEC Form 4 filings on record going back to 2024, most recently on 30 July 2025. Most recent open-market trade: sold $6.53M of NPWR on 15 July 2025. Lifetime open-market sales: $11.94M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by SK INC..
InsiderAlpha's records for SK INC. go back to 2024: 23 primary Form 4 filings, an average of 7.7 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
