Amended Tender Offer Statement by Third Party (sc To-t/a)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE TO

TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)

OF THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

CHEMBIO DIAGNOSTICS, INC.

(Name of Subject Company (Issuer))

PROJECT MERCI MERGER SUB, INC.

(Offeror)

A wholly-owned indirect subsidiary of

BIOSYNEX SA

(Parent of Offeror)

BIOSYNEX U.S. HOLDINGS, INC.

(Other Persons)

(Names of Filing Persons (identifying status as Offeror, Issuer or Other Person))

COMMON STOCK, PAR VALUE $0.01 PER SHARE

(Title of Class of Securities)

163572209

(CUSIP Number of Class of Securities)

Alexis Steinmetz

c/o Biosynex SA

22 Boulevard Sébastien Brant

67400 Illkirch-Graffenstaden, France

[phone]

(Name, address, and telephone numbers of person authorized to receive notices and

communications on behalf of filing persons)

Copies to:

James Hu

Marc Petitier

White & Case LLP

1221 Avenue of the Americas

New York, NY 10020

[phone]

☐	Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the statement relates:

☒	Third-party tender offer subject to Rule 14d-1.

☐	Issuer tender offer subject to Rule 13e-4.

☐	Going-private transaction subject to Rule 13e-3.

☐	Amendment to Schedule 13D under Rule 13d-2.

Check the appropriate boxes below to designate any transactions to which the statement relates:  ☐

If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:

☐	Rule 13e-4(i) (Cross-Border Issuer Tender Offer)

☐	Rule 14d-1(d) (Cross-Border Third-Party Tender Offer)

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This Amendment No. 4 (this “Amendment”) amends and supplements the Tender Offer Statement on Schedule TO (as amended and together with any subsequent amendments and supplements hereto, the “Schedule TO”) filed by Biosynex SA, Inc., a French société anonyme (“Parent”), Biosynex U.S. Holdings, Inc., a Delaware corporation and a wholly-owned direct subsidiary of Parent (“Holdco”), and Project Merci Merger Sub, Inc., a Nevada corporation and a wholly-owned indirect subsidiary of Parent (“Purchaser”) with the Securities and Exchange Commission on February 14, 2023. The Schedule TO relates to the tender offer for all of the issued and outstanding shares of common stock, par value $0.01 per share (the “Shares”), of Chembio Diagnostics, Inc. (“CEMI”), at a price of $0.45 per Share, net to the seller in cash without interest and subject to any required withholding taxes (the “Offer Price”), upon the terms and conditions set forth in the offer to purchase, dated February 14, 2023 (together with any amendments or supplements thereto, the “Offer to Purchase”), a copy of which is attached to the Schedule TO as Exhibit (a)(1)(A), and in the related letter of transmittal (together with any amendments or supplements thereto, the “Letter of Transmittal” and, together with the Offer to Purchase, the “Offer”), a copy of which is attached to the Schedule TO as Exhibit (a)(1)(B).

Except as otherwise set forth in this Amendment, the information set forth in the Schedule TO remains unchanged. This Amendment is being filed to reflect certain updates as reflected below. Capitalized terms used but not defined herein have the meanings assigned to such terms in the Offer to Purchase or the Schedule TO. You should read this Amendment together with the Schedule TO and the Offer to Purchase.

Items 1 through 9 and Item 11.

The Offer to Purchase and Items 1 through 9 and Item 11 of the Schedule TO, to the extent such Items incorporate by reference the information contained in the Offer to Purchase, are hereby amended and supplemented by adding the following paragraphs thereto:

“On March 29, 2023, Purchaser issued a press release announcing an extension of the Offer Expiration Time until 6:00 pm, New York City time, on April 12, 2023, unless the Offer is further extended or earlier terminated as permitted by the Merger Agreement. The Offer was previously scheduled to expire at 6:00 p.m., New York City time, on March 28, 2023.

The Depositary and Paying Agent has advised Purchaser that, as of 6:00 p.m., New York City time, on March 28, 2023, approximately 14,137,808 Shares have been validly tendered and not validly withdrawn pursuant to the Offer, representing approximately 38.5% of the then-outstanding Shares.

The press release announcing the extension of the Offer is attached hereto as Exhibit (a)(5)(E) and incorporated herein by reference.”

Amendments to the Offer to Purchase and Exhibits to the Schedule TO

All references to “6:00 p.m., New York City time, on March 28, 2023” set forth in the Offer to Purchase (Exhibit (a)(1)(A)), Letter of Transmittal (Exhibit (a)(1)(B)), Letter from the Information Agent to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees (Exhibit (a)(1)(C)), and Letter to Clients for Use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees (Exhibit (a)(1)(D)) are hereby amended and replaced with “6.00 p.m., New York City time, on April 12, 2023.”

Item 12. Exhibits.

Item 12 of the Schedule TO is hereby amended and supplemented by adding the following exhibits:

Exhibit No.	Description
(a)(5)(E)	Press Release issued by Biosynex SA, dated March 29, 2023.

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Exhibit No.	Description
(a)(1)(A)*	Offer to Purchase, dated February 14, 2023.
(a)(1)(B)*	Letter of Transmittal.
(a)(1)(C)*	Letter from the Information Agent to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.
(a)(1)(D)*	Letter to Clients for Use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.
(a)(1)(E)*	Summary Advertisement, as published in the New York Times on February 14, 2023.
(a)(2)	Not applicable.
(a)(3)	Not applicable.
(a)(4)	Not applicable.
(a)(5)(A)*	Joint Press Release issued by Chembio Diagnostics, Inc. and Biosynex SA, dated January 31, 2023 (incorporated by reference to Exhibit 99.1 to the Current Report on Form 8-K filed with the SEC by Chembio Diagnostics, Inc. on January 31, 2023).
(a)(5)(B)*	Press Release issued by Biosynex SA, dated March 15, 2023.
(a)(5)(C)*	Press Release and Letter to Stockholders issued by Chembio Diagnostics, Inc., dated March 15, 2023.
(a)(5)(D)*	Reminder to Chembio Diagnostics, Inc. Stockholders to Tender Shares dated March 21, 2023.
(a)(5)(E)**	Press Release issued by Biosynex SA, dated March 29, 2023.
(b)	Not applicable.
(d)(1)	Agreement and Plan of Merger, dated January 31, 2023, by and among Biosynex SA, Project Merci Merger Sub, Inc. and Chembio Diagnostics, Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed with the SEC by Chembio Diagnostics, Inc. on January 31, 2023).
(d)(2)*	Confidentiality Agreement, dated May 25, 2022, by and among Biosynex SA and Chembio Diagnostics, Inc.
(g)	None.
(h)	None.
107*	Filing Fee Table.

*	Previously filed.

**	Filed herewith.

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SIGNATURE

After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: March 29, 2023

PROJECT MERCI MERGER SUB, INC.
By	/s/ Larry Abensur
Name:	Larry Abensur
Title:	President
BIOSYNEX U.S. HOLDINGS, INC.
By	/s/ Larry Abensur
Name:	Larry Abensur
Title:	President
BIOSYNEX SA
By	/s/ Larry Abensur
Name:	Larry Abensur
Title:	Chief Executive Officer

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