Insiders who reported open-market trades in the last 12 months at the companies Steven B. Klinsky 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.
John P. Malfettone - $612K in NMFC purchases and sales in the last 12 months
Adam B. Weinstein - $422K in NMFC purchases and sales in the last 12 months
David Ogens - $98K in NMFC purchases and sales in the last 12 months
Steven B. Klinsky is a corporate insider, tracked as Director, 10% Owner of New Mountain Finance Corp (NMFC). InsiderAlpha holds 20 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Steven B. Klinsky last file a Form 4?
The most recent primary Form 4 on record is dated 12 March 2026, one of 20 filings going back to 2024.
Has Steven B. Klinsky been buying or selling stock?
Recorded transactions: 68 open-market purchases ($27.72M) and 0 open-market sales across all tracked filings.
Steven B. Klinsky is Director, 10% Owner of New Mountain Finance Corp (NMFC). 20 SEC Form 4 filings on record going back to 2024, most recently on 12 March 2026. Most recent open-market trade: bought $1.48M of NMFC on 12 March 2026. Lifetime open-market purchases: $27.72M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Steven B. Klinsky.
InsiderAlpha's records for Steven B. Klinsky go back to 2024: 20 primary Form 4 filings, an average of 6.7 per year. The typical open-market purchase is $433K (64 of 68 buys carry a usable dollar value, totaling $27.72M). The largest single buy on record is $1.48M of NMFC in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
