Klinsky Steven B (CIK 0001018327)

Latest company ownership

AVTR - Avantor, Inc.
Role: 10% Owner
Shares held
28,000,000
Last filed at
Nov 10, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q2 2025Q4
Shares held
509,093
Last filed at
May 19, 2022
Confidence Score
57.2
2025Q4
Confidence Score History
2011Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 16, 2025 Sep 18, 2025 New Mountain Finance Corp Director Buy 87.5 +106,691 2.00% ✗ $1M
Dec 17, 2024 Dec 19, 2024 New Mountain Finance Corp Director Buy 85.0 +72,280 1.18% ✗ $815.6K
Dec 13, 2024 Dec 17, 2024 New Mountain Finance Corp Director Buy 77.5 +100,502 0.91% ✗ $1.2M
Dec 11, 2024 Dec 13, 2024 New Mountain Finance Corp Director Buy 67.5 +31,596 0.29% ✗ $371.1K
Dec 5, 2024 Dec 9, 2024 New Mountain Finance Corp Director Buy 67.5 +34,018 0.31% ✗ $399.4K
Dec 3, 2024 Dec 5, 2024 New Mountain Finance Corp Director Buy 60.0 +6,200 0.10% ✗ $72.8K
Nov 26, 2024 Nov 29, 2024 New Mountain Finance Corp Director Buy 48.8 +2,400 0.04% ✗ $28.2K
Nov 22, 2024 Nov 26, 2024 New Mountain Finance Corp Director Buy 75.0 +36,721 0.62% ✗ $430K
Nov 20, 2024 Nov 22, 2024 New Mountain Finance Corp Director Buy 77.5 +89,044 0.83% ✗ $1M
Nov 18, 2024 Nov 20, 2024 New Mountain Finance Corp Director Buy 77.5 +100,272 0.95% ✗ $1.2M
Nov 14, 2024 Nov 18, 2024 New Mountain Finance Corp Director Buy 77.5 +97,008 0.94% ✗ $1.1M
Nov 12, 2024 Nov 14, 2024 New Mountain Finance Corp Director Buy 87.5 +152,353 1.52% ✗ $1.8M
Nov 8, 2024 Nov 12, 2024 New Mountain Finance Corp Director Buy 87.5 +191,636 1.98% ✗ $2.2M
Nov 6, 2024 Nov 8, 2024 New Mountain Finance Corp Director Buy 87.5 +210,469 2.26% ✗ $2.3M
Nov 4, 2024 Nov 6, 2024 New Mountain Finance Corp Director Buy 87.5 +173,657 1.96% ✗ $1.9M
Mar 17, 2023 Mar 21, 2023 New Mountain Finance Corp Director Buy 87.5 +100,000 1.08% ✗ $1.2M
Mar 15, 2023 Mar 17, 2023 New Mountain Finance Corp Director Buy 87.5 +200,000 2.21% ✗ $2.4M
Mar 13, 2023 Mar 15, 2023 New Mountain Finance Corp Director Buy 87.5 +200,000 2.26% ✗ $2.4M
Sep 1, 2022 Sep 6, 2022 New Mountain Finance Corp Director Buy 47.5 +16 0.00% ✗ $206.4
May 17, 2022 May 19, 2022 New Mountain Finance Corp Director Buy 87.5 +94,660 1.24% ✗ $1.2M
May 13, 2022 May 17, 2022 New Mountain Finance Corp Director Buy 75.0 +65,200 0.86% ✗ $832.4K
Nov 10, 2020 Nov 10, 2020 Avantor, Inc. 10% Owner Sell 15.0 -36,016,093 -56.26% ✗ $893.5M
Aug 21, 2020 Aug 25, 2020 Avantor, Inc. 10% Owner Sell 15.0 -25,575,472 -28.55% ✗ $498.9M
May 27, 2020 Jun 1, 2020 New Mountain Finance Corp Director Buy 67.5 +27,139 0.36% ✗ $254.7K
May 26, 2020 May 28, 2020 Avantor, Inc. 10% Owner Sell 15.0 -20,886,424 -18.91% ✗ $332.2M
May 22, 2020 May 27, 2020 New Mountain Finance Corp Director Buy 87.5 +272,861 1.87% ✗ $2.5M
May 14, 2020 May 18, 2020 New Mountain Finance Corp Director Buy 92.5 +300,000 4.24% ✗ $2.4M
May 11, 2020 May 13, 2020 New Mountain Finance Corp Director Buy 87.5 +150,000 2.17% ✗ $1.2M
Oct 23, 2019 Oct 25, 2019 New Mountain Finance Corp Director Buy 92.5 +355,000 4.68% ✗ $4.7M
May 21, 2019 May 23, 2019 Avantor, Inc. 10% Owner Sell 52.5 -100 0.00% ✗ $1.4K
Dec 17, 2018 Dec 19, 2018 New Mountain Finance Corp Director Buy 87.5 +181,805 2.49% ✗ $2.3M
Mar 12, 2018 Mar 14, 2018 New Mountain Finance Corp Director Buy 92.5 +281,176 4.18% ✗ $3.8M
Mar 8, 2018 Mar 12, 2018 New Mountain Finance Corp Director Buy 92.5 +201,100 3.08% ✗ $2.7M
Nov 8, 2016 Nov 10, 2016 New Mountain Finance Corp Director Buy 60.0 +12,154 0.20% ✗ $163.8K
Nov 4, 2016 Nov 8, 2016 New Mountain Finance Corp Director Buy 92.5 +155,724 2.62% ✗ $2.1M
Nov 2, 2016 Nov 4, 2016 New Mountain Finance Corp Director Buy 92.5 +214,276 3.74% ✗ $2.8M
Feb 18, 2016 Feb 22, 2016 New Mountain Finance Corp Director Buy 85.0 +64,539 1.19% ✗ $777.3K
Feb 16, 2016 Feb 18, 2016 New Mountain Finance Corp Director Buy 95.0 +284,780 5.54% ✗ $3.4M
Feb 11, 2016 Feb 16, 2016 New Mountain Finance Corp Director Buy 95.0 +350,475 7.32% ✗ $4.1M
Dec 15, 2015 Dec 17, 2015 New Mountain Finance Corp Director Buy 92.5 +222,313 4.96% ✗ $2.9M
Sep 29, 2015 Sep 30, 2015 New Mountain Finance Corp Director Buy 100.0 +500,000 12.78% ✗ $6.8M
Sep 25, 2015 Sep 28, 2015 New Mountain Finance Corp Director Buy 100.0 +500,000 14.65% ✗ $7.1M
Nov 11, 2014 Nov 13, 2014 New Mountain Finance Corp Director Buy 92.5 +134,788 4.37% ✗ $2M
Aug 14, 2014 Oct 7, 2014 New Mountain Finance Corp Director Buy 92.5 +117,940 4.09% ✗ $1.8M
Aug 12, 2014 Oct 7, 2014 New Mountain Finance Corp Director Buy 95.0 +212,060 7.93% ✗ $3.2M
Aug 14, 2014 Aug 18, 2014 New Mountain Finance Corp Director Buy 92.5 +117,940 3.98% ✗ $1.8M
Aug 12, 2014 Aug 14, 2014 New Mountain Finance Corp Director Buy 95.0 +212,060 7.71% ✗ $3.2M
Aug 19, 2011 Aug 24, 2011 New Mountain Finance Corp Director Buy 65.0 +7,000 0.36% ✗ $82.7K
Aug 18, 2011 Aug 22, 2011 New Mountain Finance Corp Director Buy 65.0 +4,600 0.24% ✗ $54.9K
Aug 16, 2011 Aug 17, 2011 New Mountain Finance Corp Director Buy 65.0 +8,400 0.44% ✗ $103.5K
May 19, 2011 May 23, 2011 New Mountain Finance Corp Director Buy 97.5 +1,863,377 100.00% ✗ $948.3K