SEC FORM 3/A

SEC FORM 3/A SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

ADAR1 Capital Management, LLC

(Last)

(First)

(Middle)

3503 WILD CHERRY DRIVE

BUILDING 9

(Street)

AUSTIN

78738

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/28/2024

3. Issuer Name and Ticker or Trading Symbol
Acasti Pharma Inc. [ ACST ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)
07/09/2024

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock	959,571	I	By: ADAR1 Partners⁽¹⁾⁽²⁾⁽³⁾

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Warrant (Common Stock)	09/25/2023	09/25/2028	Common Stock	1,268,195⁽⁵⁾	$3.003	I	By: ADAR1 Partners⁽¹⁾⁽²⁾⁽³⁾
Pre-Paid Warrant (Common Stock)	09/25/2023	⁽⁴⁾	Common Stock	913,631⁽⁴⁾	$0.0001	I	By: ADAR1 Partners⁽¹⁾⁽²⁾⁽³⁾

1. Name and Address of Reporting Person^*

ADAR1 Capital Management, LLC

(Last)

(First)

(Middle)

3503 WILD CHERRY DRIVE

BUILDING 9

(Street)

AUSTIN

78738

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

ADAR1 Partners, LP

(Last)

(First)

(Middle)

3503 WILD CHERRY DRIVE

BUILDING 9

(Street)

AUSTIN

78738

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)		Other (specify below)

Explanation of Responses:

1. ADAR1 Capital Management GP, LLC is the general partner of ADAR1 Partners, LP ("ADAR1 Partners").

2. ADAR1 Capital Management, LLC ("ADAR1 Capital"), an entity owned and controlled by Dr. Daniel Schneeberger, owns voting and investment control with respect to the shares held by ADAR1 Partners, LP. Because of the relationship between ADAR1 Partners and ADAR1 Capital, ADAR1 Capital may be deemed to beneficially own the shares held directly by ADAR1 Partners.

3. For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

4. Pursuant to a Pre-Funded Common Stock Purchase Warrant, ADAR1 Partners may purchase up to 913,631 shares of Issuer's Common Stock, exercisable until fully filled.

5. Pursuant to a Common Stock Purchase Warrant, ADAR1 Partners may purchase up to 1,268,195 of Issuer's Common Stock.

	ADAR1 Capital Management, LLC, By /s/ Daniel Schneeberger, Manager	07/11/2024
	ADAR1 Partners, LP, By ADAR1 Capital Management GP, LLC, its general partner, By /s/ Daniel Schneeberger, Manager	07/11/2024
	** 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 5 (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).
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Amendment: New insider Adar1 Capital Management, Llc claimed ownership of 959,571 shares (SEC Form 3)