Sam Levinson - 10 Mar 2026 SCHEDULE 13D/A Report for SONIDA SENIOR LIVING, INC. Common Stock (CSU)

Filing Manager
Sam Levinson
Reporting Manager
Seymour Pluchenik
Symbol
CSU
Shares outstanding
45,874,104 shares
Disclosed Ownership
3,073,565 shares
Ownership
6.7%
Form type
SCHEDULE 13D/A
Filing time
11 Mar 2026, 12:14:29 UTC
Date of event
10 Mar 2026
Previous filing
06 Nov 2025

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Seymour Pluchenik 6.7% 3,073,565 0 3,073,565 /s/ Seymour Pluchenik Seymour Pluchenik
Sam Levinson 6.2% 2,830,813 0 2,830,813 /s/ Sam Levinson Sam Levinson 0001588901
Simon Glick 6.2% 2,830,813 0 2,830,813 /s/ Simon Glick Simon Glick
Silk Partners, LP 6.2% 2,830,813 2,830,813 0 /s/ Seymour Pluchenik Siget NY Partners, LP, a New York limited partnership and general partner of Silk Partners, LP, by Seymour Pluchenik, Managing Member
Siget NY Partners, L.P. 6.2% 2,830,813 0 2,830,813 /s/ Seymour Pluchenik 1271 ASSOCIATES, LLC, a Delaware limited liability company and general partner of Siget NY Partners, L.P. by Seymour Pluchenik, Managing Member
1271 Associates, LLC 6.2% 2,830,813 0 2,830,813 /s/ Seymour Pluchenik Seymour Pluchenik/ Managing Member
PF Investors, LLC 0.5% 242,752 242,752 0 /s/ Seymour Pluchenik Seymour Pluchenik/ Manager