SEC Form 4

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

1. Name and Address of Reporting Person* GERSON RICK MATTHEW (Last) (First) (Middle) C/O PIONEER MERGER CORP. 667 MADISON AVENUE, 19TH FLOOR (Street) NEW YORK NY 10065 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Pioneer Merger Corp. [ PACX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks
	3. Date of Earliest Transaction (Month/Day/Year) 01/17/2023
	4. If Amendment, Date of Original Filed (Month/Day/Year)	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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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
Class A Ordinary Shares	01/17/2023		D(1)		4,450,000	D	$10.13	0	I(2)	By Alpha Wave Ventures, LP

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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

1. Name and Address of Reporting Person* GERSON RICK MATTHEW (Last) (First) (Middle) C/O PIONEER MERGER CORP. 667 MADISON AVENUE, 19TH FLOOR (Street) NEW YORK NY 10065 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks

1. Name and Address of Reporting Person* Alpha Wave Global, LP (Last) (First) (Middle) C/O PIONEER MERGER CORP. 667 MADISON AVENUE, 19TH FLOOR (Street) NEW YORK NY 10065 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks

1. Name and Address of Reporting Person* Pioneer Merger Sponsor LLC (Last) (First) (Middle) C/O PIONEER MERGER CORP. 667 MADISON AVENUE, 19TH FLOOR (Street) NEW YORK NY 10065 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks

1. Name and Address of Reporting Person* Salazar Oscar (Last) (First) (Middle) C/O PIONEER MERGER CORP. 667 MADISON AVENUE, 19TH FLOOR (Street) NEW YORK NY 10065 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks

1. Name and Address of Reporting Person* CAPLAN MITCHELL H (Last) (First) (Middle) C/O PIONEER MERGER CORP. (Street) NEW YORK NY 10065 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks

1. Name and Address of Reporting Person* Davis Richard Todd (Last) (First) (Middle) C/O PIONEER MERGER CORP. (Street) NEW YORK NY 10065 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks

Explanation of Responses:

1. The reported securities were redeemed by the Issuer pursuant to a redemption of all Class A Shares in connection with the Issuer's liquidation.

2. The reported securities were directly held by Alpha Wave Ventures, LP, an investment entity managed by Alpha Wave Global, LP ("Alpha Wave"). Rick Gerson is the Chairman and Chief Investment Officer of Alpha Wave.

Remarks:

After giving effect to the Issuer's delisting and deregistration, the Reporting Persons will no longer be subject to Section 16 reporting obligations.

	Rick Gerson: By: /s/ Scott Carpenter, Attorney-in-Fact Alpha Wave Global, LP: By: Scott Carpenter, its Authorized Signatory /s/ Scott Carpenter Pioneer Merger Sponsor LLC By: Scott Carpenter, its Chief Operating Officer /s/ Scott Carpenter Oscar Salazar:	01/19/2023
	By: /s/ Scott Carpenter, Attorney-in-Fact Mitchell Caplan:By: /s/ Scott Carpenter, Attorney-in-Fact Todd Davis: By: /s/ Scott Carpenter, Attorney-in-Fact	01/19/2023
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.