Investor CastleKnight Master Fund LP
13D/G Filings

This page shows a list of all the recent 13D/G filings made by CastleKnight Master Fund LP . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-14 13G/A TSE / Trinseo PLC 2,362,307 2,766,226
2025-08-14 13G/A BW / Babcock & Wilcox Enterprises, Inc. 6,726,174 4,332,913
2025-05-15 13G KLXE / KLX Energy Services Holdings, Inc. 1,220,957
2025-05-15 13G/A INV / Innventure, Inc. 3,953,354 3,164,799
2025-03-27 13G RENT / Rent the Runway, Inc. 242,670
2025-03-20 13G NOVAQ / Sunnova Energy International Inc. 6,908,858
2025-02-14 13G/A UPLD / Upland Software, Inc. 1,382,060 1,020,143
2025-02-06 13G/A CYH / Community Health Systems, Inc. 3,937,567 9,401,740
2025-02-06 13G CYH / Community Health Systems, Inc. 3,937,567 6,953,740
2024-12-17 13G TSE / Trinseo PLC 2,362,307
2024-11-15 13G INV / Innventure, Inc. 3,953,354
2024-11-14 13G/A CYH / Community Health Systems, Inc. 9,823,253 3,937,567
2024-11-14 13G/A AHT / Ashford Hospitality Trust, Inc. 2,420,000 4,609,445
2024-09-30 13G BW / Babcock & Wilcox Enterprises, Inc. 6,726,174
2024-08-08 13G UPLD / Upland Software, Inc. 1,382,060
2024-02-09 13G/A CYH / Community Health Systems, Inc. 9,740,623 9,823,253
2024-01-05 13G AHT / Ashford Hospitality Trust, Inc. 2,420,000
2023-12-26 13G CYH / Community Health Systems, Inc. 9,740,623
2023-02-15 13G/A LYLT.V / Loyalty Ventures Inc 1,552,881 0
2023-02-10 13G/A LYLT.V / Loyalty Ventures Inc 1,821,561 1,552,881
2022-11-17 13G LYLT.V / Loyalty Ventures Inc 1,821,561