Summary
Updated Aug 31, 2026
New Mountain Guardian Investments III, L.L.C. has 1 SEC Form 4 filing on record, dated 19 December 2024.
Recent Transactions
1Every recent SEC Form 4 transaction New Mountain Guardian Investments III, L.L.C. has reported, most recent first.
- New Mountain Guardian III BDC, L.L.C.D - Derivative transaction
28.08M shares @ --
Trading Pattern
InsiderAlpha's records for New Mountain Guardian Investments III, L.L.C. go back to 2024: 1 primary Form 4 filing, an average of 0.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
New Mountain Guardian Investments III, L.L.C. has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- SUMMIT PARTNERS L P - $88.55M of KVYO open-market activity in the last 90 days
- Ronald Clarke - $88.51M of CPAY open-market activity in the last 90 days
- Yousif Mohammed Ali Nasser Al-Nowais - $88.47M of NESR open-market activity in the last 90 days
- Thomas J. Nimbley - $87.92M of PBF open-market activity in the last 90 days
- John Colgrove - $87.13M of P open-market activity in the last 90 days
- David Zaslav - $86.59M of WBD open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is New Mountain Guardian Investments III, L.L.C.?
New Mountain Guardian Investments III, L.L.C. is an investment firm, tracked as 10% Owner. InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did New Mountain Guardian Investments III, L.L.C. last file a Form 4?
The only primary Form 4 on record is dated 19 December 2024.
Where can I see all of New Mountain Guardian Investments III, L.L.C.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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