Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2021-03-18 Sale |
2021-03-22 9:36 pm |
Bellerophon Therapeutics Inc. | BLPH | New Mountain Investments II LLC New Mountain Capital L.L.C. KLINSKY STEVEN B 10% Owner |
400,000 | $5.48 | $2,192,000 | 609,231 (Direct) |
View |
2020-11-10 Sale |
2020-11-10 9:24 pm |
Avantor Inc. | AVTR | New Mountain Investments III LLC New Mountain Partners III LP New Mountain Capital L.L.C. New Mountain Capital Group L.P. NM Holdings GP L.L.C. KLINSKY STEVEN B 10% Owner |
36,016,093 | $24.81 | $893,490,837 | 28,000,000 (Indirect) |
View |
2020-08-21 Sale |
2020-08-25 5:08 pm |
Avantor Inc. | AVTR | New Mountain Investments III LLC New Mountain Partners III LP New Mountain Capital L.L.C. New Mountain Capital Group L.P. NM Holdings GP L.L.C. KLINSKY STEVEN B 10% Owner |
25,575,472 | $19.51 | $498,887,945 | 64,016,093 (Indirect) |
View |
2020-05-27 Purchase |
2020-06-01 08:07 am |
New Mountain Finance Corp | NMFC | KLINSKY STEVEN B Director |
27,139 | $9.384 | $254,672 | 8,690,181 (Indirect Direct) |
View |
2020-05-26 Sale |
2020-05-28 6:01 pm |
Avantor Inc. | AVTR | New Mountain Investments III LLC New Mountain Partners III LP New Mountain Capital L.L.C. New Mountain Capital Group L.P. NM Holdings GP L.L.C. KLINSKY STEVEN B 10% Owner |
20,886,424 | $15.9 | $332,192,308 | 89,591,565 (Indirect) |
View |
2020-05-22 Purchase |
2020-05-27 4:45 pm |
New Mountain Finance Corp | NMFC | KLINSKY STEVEN B Director |
272,861 | $9.1529 | $2,497,474 | 8,663,042 (Indirect Direct) |
View |
2020-05-14 Purchase |
2020-05-18 7:14 pm |
New Mountain Finance Corp | NMFC | KLINSKY STEVEN B Director |
300,000 | $7.9614 | $2,388,430 | 8,390,181 (Indirect Direct) |
View |
2020-05-11 Purchase |
2020-05-13 5:53 pm |
New Mountain Finance Corp | NMFC | KLINSKY STEVEN B Director |
150,000 | $8.106 | $1,215,900 | 8,090,181 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion