Key facts
- This page summarizes Steven B. Klinsky's Form 4 filing for New Mountain Finance Corp (NMFC).
- 4 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 12 Mar 2026, 17:23.
Steven B. Klinsky - 10 Mar 2026 Form 4 Insider Report for New Mountain Finance Corp (NMFC)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- NMFC
- Reported as of
- 10 Mar 2026
- Net transaction value
- +$4,025,000
- SEC form
- 4
- Accepted by SEC
- 12 Mar 2026, 17:23:49 UTC
- Prior SEC filing
- 06 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- Steven B. Klinsky
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Steven B. Klinsky filed Form 4 for New Mountain Finance Corp (NMFC) on 12 Mar 2026.
Change
- Previous filing in this sequence was filed on 06 Mar 2026.
- Current net transaction value: +$4,025,000.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001018327
Primary reporting owner
KLINSKY STEVEN B
- Relationship
- Director, 10%+ Owner
- Address
- C/O NEW MOUNTAIN CAPITAL, L.L.C., 1633 BROADWAY, 48TH FLOOR, NEW YORK
- Signature
- Steven B. Klinsky
- Signature date
- 12 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
NMFC
transaction
Common Stock
Purchase
- Transaction value
- $600,417
- Shares
- +74,586
- Change %
- +5.7%
- Price
- $8.05
- Shares after
- 1,373,030
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F2
NMFC
transaction
Common Stock
Purchase
- Transaction value
- $741,244
- Shares
- +92,080
- Change %
- +6.7%
- Price
- $8.05
- Shares after
- 1,465,110
- Date
- 11 Mar 2026
- Ownership
- See Note
- Footnotes
- F2
NMFC
transaction
Common Stock
Purchase
- Transaction value
- $1,200,835
- Shares
- +149,172
- Change %
- +3%
- Price
- $8.05
- Shares after
- 5,186,696
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F8
NMFC
transaction
Common Stock
Purchase
- Transaction value
- $1,482,504
- Shares
- +184,162
- Change %
- +3.6%
- Price
- $8.05
- Shares after
- 5,370,858
- Date
- 11 Mar 2026
- Ownership
- See Note
- Footnotes
- F8
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 116,824
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,020,267
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F3
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 11,191
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F4
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 11,175
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F5
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 11,175
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F6
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 11,175
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F7
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 3,457,379
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F9
NMFC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 855,000
- Date
- 10 Mar 2026
- Ownership
- See Note
- Footnotes
- F10
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 10 footnotes
Footnote F1
Includes shares previously acquired under the New Mountain Finance Corporation dividend reinvestment plan.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.