Steven B. Klinsky - 10 Mar 2026 Form 4 Insider Report for New Mountain Finance Corp (NMFC)

Role
Director, 10%+ Owner
Signature
Steven B. Klinsky
Issuer symbol
NMFC
Transactions as of
10 Mar 2026
Net transactions value
+$4,025,000
Form type
4
Filing time
12 Mar 2026, 17:23:49 UTC
Previous filing
06 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KLINSKY STEVEN B Director, 10%+ Owner C/O NEW MOUNTAIN CAPITAL, L.L.C., 1633 BROADWAY, 48TH FLOOR, NEW YORK Steven B. Klinsky 12 Mar 2026 0001018327

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NMFC Common Stock Purchase $600,417 +74,586 +5.7% $8.05 1,373,030 10 Mar 2026 See Note F2
transaction NMFC Common Stock Purchase $741,244 +92,080 +6.7% $8.05 1,465,110 11 Mar 2026 See Note F2
transaction NMFC Common Stock Purchase $1,200,835 +149,172 +3% $8.05 5,186,696 10 Mar 2026 See Note F8
transaction NMFC Common Stock Purchase $1,482,504 +184,162 +3.6% $8.05 5,370,858 11 Mar 2026 See Note F8
holding NMFC Common Stock 116,824 10 Mar 2026 Direct F1
holding NMFC Common Stock 1,020,267 10 Mar 2026 See Note F3
holding NMFC Common Stock 11,191 10 Mar 2026 See Note F4
holding NMFC Common Stock 11,175 10 Mar 2026 See Note F5
holding NMFC Common Stock 11,175 10 Mar 2026 See Note F6
holding NMFC Common Stock 11,175 10 Mar 2026 See Note F7
holding NMFC Common Stock 3,457,379 10 Mar 2026 See Note F9
holding NMFC Common Stock 855,000 10 Mar 2026 See Note F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes shares previously acquired under the New Mountain Finance Corporation dividend reinvestment plan.
F2 The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
F3 The Steven B. Klinsky Non-GST Exempt Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
F4 Includes (i) 16 shares held directly and (ii) 11,175 shares held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
F5 Shares are held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
F6 Shares are held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
F7 Shares are held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
F8 The Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 1") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein.
F9 The Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 2") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 2 except to the extent of his pecuniary interest therein.
F10 The Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 3") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 3 except to the extent of his pecuniary interest therein.