undamentalytics Newsletter

New Mountain Finance Corp insider trading

Every open-market purchase and sale by New Mountain Finance Corp's officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
New Mountain Finance Corp insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following New Mountain Finance Corp’s insiders pay?

From August 17, 2011 to June 16, 2026, 20 insiders reported 200 open-market purchases and 5 sales not made under a pre-set plan in New Mountain Finance Corp. Twelve months after each purchase was reported, the shares were −5.6% against the S&P 500 on average (median −4.6%), over 192 purchases with a full year of prices; 35% beat the index. After sales, the shares moved −14.6% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on August 18, 2011 into $30,689 by November 2, 2026, +7.7% a year. It held shares 100% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $84,540 (+15.1% a year), and held throughout $86,227 (+15.3%).

$0$25.0k$50.0k$75.0k 20112013201520172019202120232025 $86.2k$84.5k$30.7k
Copying New Mountain Finance Corp's insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by New Mountain Finance Corp's insiders from August 18, 2011, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 100% of the time.
New Mountain Finance Corp: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Klinsky Steven B Director 47 −7.0% (43) 37% 0 — March 12, 2026
Weinstein Adam B. EVP, CAO and Director 29 −3.7% (27) 41% 0 — March 18, 2026
Ogens David Director 21 −10.2% (20) 20% 0 — March 4, 2026
Stone James Section 16 Officer 21 −3.1% (21) 38% 0 — March 15, 2023
Kline John CEO, President, and Director 15 −8.1% (15) 33% 1 −21.5% (1) November 8, 2024
Hamwee Robert CEO and Director 15 −4.8% (15) 33% 0 — June 17, 2022
Malpass David Director 11 −5.1% (11) 27% 3 −12.3% (3) March 16, 2017
Wolfgruber Kurt Director 9 +2.4% (9) 56% 0 — December 19, 2018
Arnold Rome G. III Director 5 −9.6% (5) 20% 0 — March 15, 2023
Bosco Paula Chief Compliance Officer 5 +2.2% (5) 60% 0 — April 30, 2014
Boswerger Laura C. Holson COO 5 −4.0% (4) 0% 0 — March 2, 2026
Kajee Shiraz Chief Financial Officer 5 −8.5% (5) 20% 0 — May 18, 2022
Hurley Alfred F Jr Director 3 −1.4% (3) 67% 0 — March 16, 2018
Corbett Kris CFO and Treasurer 2 −22.0% (2) 0% 0 — November 6, 2024
Handy Alice Director 2 −9.5% (2) 50% 0 — March 9, 2021
Jerry Karrie J. CCO and Corporate Secretary 2 −5.9% (2) 0% 0 — December 13, 2018
Collins Adam J Director 1 +10.6% (1) 100% 0 — August 17, 2011
Cordova David M CFO and Treasurer 1 −7.5% (1) 0% 0 — March 13, 2014
Hartswell Joseph W. CCO and Corporate Secretary 1 +1.1% (1) 100% 0 — May 20, 2022
Malfettone John P Director 0 — — 1 — June 16, 2026

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded New Mountain Finance Corp

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of New Mountain Finance Corp in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 19 buying crowds with six months of prices, it averaged −1.9% against the index. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
March 31, 20264 buying−19.2%−22.4%not yet
September 30, 20253 buying−4.7%−12.7%−31.7%
November 29, 20244 buying+0.4%−4.8%−23.1%
August 30, 20242 buying−7.5%−6.9%−19.5%
March 31, 20235 buying−2.7%+6.1%−11.1%
May 31, 20226 buying+7.1%+6.0%−0.5%
August 31, 20212 buying+2.0%+9.1%+19.0%
March 31, 20205 buying+20.8%+19.4%+47.0%
August 30, 20193 buying−5.4%−1.6%−39.0%
September 28, 20184 buying+9.2%+7.1%+7.3%
December 29, 20174 buying+2.6%+4.4%+8.9%
June 30, 20172 buying−4.0%−13.7%−9.8%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Latest 12 of 19. Total returns from the month end; past patterns are not a forecast.

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