Every Form 4 that NEW MOUNTAIN FINANCE CORPORATION (NMFC) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow NMFC and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full NMFC filings page.
New Mountain Finance Corp (NMFC) reported that CEO, President and Director John R. Kline acquired 2,000 shares of common stock on June 10, 2026 through an estate or will transfer under the laws of descent and distribution, at a reported price of $0.00 per share.
After this transaction, Kline holds 389,685.15 shares of NMFC common stock directly, a figure that includes shares acquired under New Mountain Finance Corporation’s dividend reinvestment plan since his prior Form 4 filed on November 8, 2024. No Rule 10b5-1 trading plan is reported for this transaction.
New Mountain Finance Corp director John P. Malfettone sold 77,500 shares of Common Stock in an open-market transaction. The shares were sold at an average price of $7.8927 per share on 2026-06-15, reducing his directly held position in the stock to zero shares.
New Mountain Finance Corp executive Adam B. Weinstein, who serves as EVP, CAO and Director, made an open-market purchase of 12,900 shares of common stock on March 17, 2026 at $7.609 per share. Following this transaction, he directly holds 751,756.32 shares of the company’s common stock, indicating this was a relatively small addition to an already substantial position.
New Mountain Finance Corp director and 10% owner Steven B. Klinsky reported a net purchase of 500,000 shares of Common Stock in open-market transactions at $8.05 per share on March 10 and 11, 2026. These shares are held indirectly through various trusts and related entities, and the filing notes that Klinsky disclaims beneficial ownership except for his pecuniary interest. The Form 4 also lists updated direct and indirect share balances for multiple trusts and family-related accounts.
New Mountain Finance Corp director and 10% owner Steven B. Klinsky reported indirect open-market purchases of a total of 237,873 shares of the company’s common stock at a price of $8.10 per share on March 5, 2026.
The purchases were made through entities associated with him, including various trusts such as the Steven B. Klinsky 2008 Long Term Trust, the Steven B. Klinsky Non-GST Exempt Trust, and several 2024 Revocable Trusts. The filing notes that he disclaims beneficial ownership of many of these indirectly held shares except to the extent of his pecuniary interest, and it also references shares previously acquired under the dividend reinvestment plan.
New Mountain Finance Corp director and ten percent owner Steven B. Klinsky reported indirect open-market purchases of a total of 437,400 shares of common stock. These purchases occurred on 2026-03-03 and 2026-03-04 at prices of $7.9426 and $8.1671 per share.
The transactions were executed through various trusts and family-related entities, including long-term and revocable trusts and trusts for immediate family members. The filing notes that these entities directly own the shares and that Klinsky disclaims beneficial ownership except to the extent of his pecuniary interest. Some reported line items simply update indirect and direct share holdings, including shares previously acquired under the dividend reinvestment plan.
New Mountain Finance Corp director David Ogens reported open-market purchases of the company's common stock. On March 3, 2026, he bought 10,100 shares at an average price of $7.87 per share and 2,400 shares at $7.86 per share, for a total of 12,500 shares acquired. Following these transactions, his directly owned holdings rose to 241,556 shares. He also reports 16,000 shares held indirectly through trusts benefiting family members, reflecting additional exposure via a family trust structure.
New Mountain Finance Corp director Steven B. Klinsky reported net open-market purchases of 324,727 shares of common stock on February 27 and March 2. The buy transactions were executed at per-share prices of $7.6924 and $7.7852.
The purchases were made indirectly through multiple trusts and an immediate family member, which directly hold the shares. The filing states that Klinsky disclaims beneficial ownership of these trust-held shares except to the extent of his pecuniary interest. Several additional entries update direct and indirect share balances without new buy or sell codes.
New Mountain Finance Corp executive Adam B. Weinstein reported open-market purchases of company common stock. He bought 3,307 shares on March 2, 2026 at $7.73 per share and 38,400 shares on February 27, 2026 at $7.764 per share, totaling 41,707 shares.
After these transactions, he directly owned 738,856.32 shares of New Mountain Finance Corp common stock. A footnote notes that this ownership figure includes shares acquired through the company’s dividend reinvestment plan since his prior Form 4 filed on September 16, 2025.
New Mountain Finance Corp COO Laura C. Holson reported an open-market purchase of 12,500 shares of common stock at $7.74 per share. The transaction took place on February 27, 2026. Following this buy, her directly owned stake increased to 81,029.59 shares, which includes shares accumulated through the company’s dividend reinvestment plan since her prior Form 4 filed on May 15, 2023.