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Adam B. Weinstein

NMFC
EVP, CAO AND DIRECTOR · NEW MOUNTAIN FINANCE CORP · CIK 0001515170
FILING MIX · LIFETIME100%/0%
BUYS
33
SELLS
0
TOTAL VALUE
$3.86M
COMPANIES
1
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
751,756
AVG SELL PX
—
TRADE KIND
SHOWING 33 / 33
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
33 backtested trades · 8 horizons · 12 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Adam B. Weinstein, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d33+84.85%-1.06%-0.06%-1.00%+0.47%-0.58
14d33+57.58%+0.10%+0.64%-0.54%+0.89%-0.30
30d33+48.48%-2.55%-0.65%-1.91%+2.14%-0.81
60d33+54.55%-0.29%+1.41%-1.70%+1.65%-0.81
90d33+87.88%+8.62%+8.59%+0.35%+0.72%0.15
180d33(3 pending)+90.00%+8.66%+6.97%+1.69%+4.60%0.63
1y33(4 pending)+96.55%+16.86%+20.07%-3.21%-3.46%—
2y33(5 pending)+71.43%+23.21%+40.09%-16.89%-27.59%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
NMFC · 751,756.32 shares · as of Mar 17, 2026
0187,939375,878563,817751,756202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 33 buys / 0 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
12,900$7.61$98.2K751,756.32Mar 17, 2026Mar 18, 2026 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
3,307$7.73$25.6K738,856.32Mar 2, 2026Mar 3, 2026 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
38,400$7.76$298.1K735,549.32Feb 27, 2026Mar 3, 2026 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
49,750$10.03$498.8K652,490.08Sep 15, 2025Sep 16, 2025 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
45,000$10.87$489.3K552,534.5Nov 4, 2024Nov 6, 2024 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
200$12.87$2.6K375,907.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
5,931$12.88$76.4K385,260.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
820$12.89$10.6K386,080.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
2,435$12.90$31.4K389,715.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
603$12.88$7.8K376,510.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
5,928$12.90$76.5K395,643.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
1,200$12.89$15.5K387,280.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
2,819$12.87$36.3K379,329.213Sep 6, 2022Sep 8, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
1,700$12.50$21.2K343,198.38May 20, 2022May 23, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
100$12.49$1.2K341,498.38May 20, 2022May 23, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
23,200$12.50$290.0K366,398.38May 20, 2022May 23, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
4,270$12.41$53.0K336,664.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
10$12.38$124329,228.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
142$12.43$1.8K326,518.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
200$12.42$2.5K316,598.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
4,734$12.39$58.7K341,398.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
3,166$12.40$39.3K332,394.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
2,700$12.44$33.6K329,218.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
9,778$12.42$121.4K326,376.38May 12, 2022May 16, 2022 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
15,080$13.08$197.2K302,851.25Aug 20, 2021Aug 23, 2021 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
20,000$9.89$197.8K274,941.082Sep 4, 2020Sep 4, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
11,700$9.90$115.8K286,641.082Sep 4, 2020Sep 4, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
15,450$9.95$153.7K254,941.082Sep 2, 2020Sep 4, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
20,000$7.60$152.0K239,158May 13, 2020May 13, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
15,000$7.80$117.0K219,158May 11, 2020May 13, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
10,000$9.75$97.5K203,706.76Mar 12, 2020Mar 13, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
25,000$10.05$251.3K193,706.76Mar 12, 2020Mar 13, 2020 ↗View →
NMFC
NEW MOUNTAIN FINANCE CORP
PURCHASE
EVP, CAO and Director
25,000$11.45$286.3K168,706.76Mar 9, 2020Mar 11, 2020 ↗View →
Other insiders · NMFC
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About this filer
CIK 0001515170
ROLE
EVP, CAO and Director
PRIMARY
NMFC
COMPANIES
1
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001515170DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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