CSU Capital Senior Living Corp

FORM 4 ☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Ortelius Advisors, L.P.	2. Issuer Name and Ticker or Trading Symbol SONIDA SENIOR LIVING, INC. [ SNDA ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    __X__ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) 450 PARK AVENUE, SUITE 2700,	3. Date of Earliest Transaction (MM/DD/YYYY) 3/29/2023
(Street) NEW YORK, NY 10022	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _ X _ Form filed by More than One Reporting Person
(City)        (State)        (Zip)	Rule 10b5-1(c) Transaction Indication ☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	3/29/2023		P		2802	A	$10.54 (1)	679580	I	See footnotes (2)(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.85 to $10.75, inclusive. The reporting persons undertake to provide upon request to the issuer, the Securities and Exchange Commission or any security holder of the issuer full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1).
(2)	These shares include 410,950 shares held by Pangaea Ventures, L.P. ("Pangaea") and 268,630 shares held by Hudson Investors, Ltd. ("Hudson").
(3)	Ortelius Advisors, L.P. ("Ortelius Advisors") is the investment manager of Pangaea. Ortelius Capital Partners, LLC ("Ortelius Capital") is the investment manager of Hudson. Peter DeSorcy is the Managing Member of the general partner of Ortelius Advisors and is the Managing Member of Ortelius Capital, and Mr. DeSorcy has a controlling interest in both Ortelius Advisors and Ortelius Capital. Each of Ortelius Advisors, Ortelius Capital, and Mr. DeSorcy disclaims beneficial ownership of any of the shares of common stock owned by Pangaea and Hudson, except to the extent of their pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ortelius Advisors, L.P. 450 PARK AVENUE, SUITE 2700 NEW YORK, NY 10022		X
Pangaea Ventures, L.P. C/O ORTELIUS ADVISORS, L.P. 450 PARK AVENUE, SUITE 2700 NEW YORK, NY 10022		X
Ortelius Capital Partners, LLC 450 PARK AVENUE, SUITE 2700 NEW YORK, NY 10022		X
Hudson Investors, Ltd. C/O ORTELIUS CAPITAL PARTNERS, LLC 450 PARK AVENUE, SUITE 2700 NEW YORK, NY 10022		X
DeSorcy Peter 450 PARK AVENUE, SUITE 2700 NEW YORK, NY 10022		X

Signatures
ORTELIUS ADVISORS, L.P. By: Ortelius Management, LLC, its general partner By: /s/ Peter DeSorcy, Managing Member		3/31/2023
**Signature of Reporting Person		Date
PANGAEA VENTURES, L.P. By: Ortelius Advisors GP I, LLC, its general partner By: /s/ Peter DeSorcy, Managing Member		3/31/2023
**Signature of Reporting Person		Date
ORTELIUS CAPITAL PARTNERS, LLC By: /s/ Peter DeSorcy, Managing Member		3/31/2023
**Signature of Reporting Person		Date
HUDSON INVESTORS, LTD. By: /s/ Peter DeSorcy, Director		3/31/2023
**Signature of Reporting Person		Date
/s/ Peter DeSorcy		3/31/2023
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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