Sec Form 13D Filing - HBK INVESTMENTS L P @ Abcam plc

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

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

SCHEDULE 13D/A

Under the Securities Exchange Act of 1934 (Amendment No. 3)*

Abcam plc
(Name of Issuer)

Ordinary shares, nominal value £0.002 per share
(Title of Class of Securities)

000380204**
(CUSIP Number)

Jon L. Mosle HBK Investments L.P.
2300 North Field Street, Suite 2200 Dallas, Texas 75201 (214) 758-6107

Eleazer Klein, Esq.
Adriana Schwartz, Esq.
Schulte Roth & Zabel LLP
919 Third Avenue
New York, NY 10022
(212) 756-2000
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 6, 2023
(Date of Event which Requires Filing of this Schedule)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(c), 13d-1(f) or 13d-1(g), check the following box. [ ]

NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

(Page 1 of 9 Pages)

______________________________

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

** There is no CUSIP number assigned to the Ordinary Shares. CUSIP number 000380204 has been assigned to the American Depositary Shares (“ADSs”) of the Issuer. Each ADS represents 1 Ordinary Share.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 000380204

SCHEDULE 13D/A

Page 2 of 9 Pages

1	NAME OF REPORTING PERSON HBK Investments L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(c)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON - 0 -
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IA, PN

CUSIP No. 000380204

SCHEDULE 13D/A

Page 3 of 9 Pages

1	NAME OF REPORTING PERSON HBK Services LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(c)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON - 0 -
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IA, OO

CUSIP No. 000380204

SCHEDULE 13D/A

Page 4 of 9 Pages

1	NAME OF REPORTING PERSON HBK Management LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(c)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON - 0 -
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON HC, OO

CUSIP No. 000380204

SCHEDULE 13D/A

Page 5 of 9 Pages

1	NAME OF REPORTING PERSON HBK Capital Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(c)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON - 0 -
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

CUSIP No. 000380204

SCHEDULE 13D/A

Page 6 of 9 Pages

1	NAME OF REPORTING PERSON HBK Master Fund L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(c)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON - 0 -
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

CUSIP No. 000380204

SCHEDULE 13D/A

Page 7 of 9 Pages

1	NAME OF REPORTING PERSON HBK Merger Strategies Master Fund L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(c)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON - 0 -
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

CUSIP No. 000380204

SCHEDULE 13D/A

Page 8 of 9 Pages

The following constitutes Amendment No. 3 to the Schedule 13D filed by the undersigned (“Amendment No. 3”). This Amendment No. 3 amends the Schedule 13D as specifically set forth herein. Capitalized terms used herein and not otherwise defined in this Amendment No. 3 have the meanings set forth in the Schedule 13D, as amended.

Item 4.	PURPOSE OF TRANSACTION

	Item 4 is hereby amended and supplemented as follows:

	On December 6, 2023, the Issuer consummated the Proposed Transaction pursuant to which each issued and outstanding Ordinary Share was automatically converted into the right to receive $24.00 per Ordinary Share in cash (the “Closing”). In connection with the Closing, each ADS representing an Ordinary Share and each Ordinary Share held by HBK Master, HBK Merger and the Managed Account was cancelled and converted into the right to receive $24.00 in cash. As a result, the Reporting Persons no longer beneficially own any Ordinary Shares of the Issuer.

Item 5.	INTEREST IN SECURITIES OF THE COMPANY.

	Items 5(a)-(c) and (e) of the Schedule 13D are hereby amended and restated as follows:

(a)	See rows (11) and (13) of the cover pages to this Schedule 13D for the aggregate number of Ordinary Shares and percentages of the Ordinary Shares beneficially owned by each Reporting Person.

(b)	See rows (7) through (10) of the cover pages to this Schedule 13D for the number of Ordinary Shares as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition.

(c)	Other than as disclosed in Item 4, no transactions in the ADSs or Ordinary Shares have been effected by the Reporting Persons since the filing of Amendment No. 2.

(e)	December 6, 2023.

CUSIP No. 000380204

SCHEDULE 13D/A

Page 9 of 9 Pages

SIGNATURES

After reasonable inquiry and to the best of his or its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: December 8, 2023

	HBK INVESTMENTS L.P.

	By:	/s/ Jon L. Mosle
		Name: Jon L. Mosle
		Title: Authorized Signatory

	HBK Services LLC

	By:	/s/ Jon L. Mosle
		Name: Jon L. Mosle
		Title: Authorized Signatory

	HBK MANAGEMENT LLC

	By:	/s/ Jon L. Mosle
		Name: Jon L. Mosle
		Title: Authorized Signatory

	HBK CAPITAL LTD.

	By:	/s/ Jon L. Mosle
		Name: Jon L. Mosle
		Title: Authorized Signatory

	HBK MASTER FUND L.P.
	By:	HBK Services LLC, its investment advisor

	By:	/s/ Jon L. Mosle
		Name: Jon L. Mosle
		Title: Authorized Signatory

	HBK MERGER STRATEGIES MASTER FUND L.P.
	By:	HBK Services LLC, its investment advisor

	By:	/s/ Jon L. Mosle
		Name: Jon L. Mosle
		Title: Authorized Signatory

Sec Form 13D Filing - HBK INVESTMENTS L P filing for Abcam plc (ABCM) - 2023-12-08