UNITED STATES SECURITIES AND EXCHANGE ~~COMMISSIONWashington~~COMMISSIONWASHINGTON, D.C. 20549

~~____________________~~__________

FORM 8-KKCURRENT REPORT

~~____________________~~PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

~~CURRENT~~Date ~~REPORT~~of ~~Pursuant~~Report ~~to Section 13 or 15~~(d)Date of ~~the~~earliest ~~Securities~~event ~~Exchange~~reported): ~~Act~~February of28, ~~1934~~2019

~~Date~~UNION ofACQUISITION ~~Report~~ CORP.(~~Date~~Exact Name of ~~Earliest~~Registrant ~~Event~~as ~~Reported):~~Specified ~~February~~in ~~27, 2019~~Charter)

____________________

UNION ACQUISITION CORP.(Exact Name of Registrant as specified in its charter)

____________________

Cayman Islands	001-38405	N/A
(State or Other Jurisdiction	(Commission	(IRS Employer
of Incorporation)	File Number)	Identification No.)

444 Madison ~~Ave.~~Avenue, Fl. 34New York, NY 10022 (Address of Principal Executive Offices) (Zip Code)

(212) 981-0630(Registrant’s ~~telephone~~Telephone ~~number~~Number, ~~including~~Including ~~area~~Area ~~code~~Code)

Not Applicable(~~Registrant’s~~Former ~~name~~Name or ~~former~~Former ~~address~~Address, if ~~change~~Changed ~~since~~Since ~~last~~Last ~~report~~Report)

~~____________________~~Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

~~Check~~☐ Written communications pursuant to Rule 425 under the ~~appropriate~~Securities ~~box~~Act ~~below~~(17 ifCFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the ~~Form~~Exchange 8Act (17 CFR 240.14a-K12) ~~filing~~☐ isPre-commencement ~~intended~~communications pursuant to ~~simultaneously~~Rule ~~satisfy~~14d-2(b) under the ~~filing~~Exchange ~~obligation~~Act of(17 ~~the~~CFR ~~registrant~~240.14d-2(b)) ~~under~~☐ ~~any~~Pre-commencement ofcommunications pursuant to Rule 13e-4(c) under the ~~following~~Exchange ~~provisions:~~Act (17 CFR 240.13e 4(c))

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging ~~Growth~~growth ~~Company~~company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

~~Item 5.07 Submission of Matters to a Vote of Security Holders~~2

OnItem ~~February 27, 2019, Union Acquisition Corp~~3., a Cayman Islands exempted company (“UAC” or the “Company”) held an Extraordinary General Meeting of Shareholders (the “Extraordinary General Meeting”), whereby, holders of an aggregate of 14,345,553 shares of the Company’s issued and outstanding ordinary shares, par value $001.~~0001~~ ~~per~~Notice ~~share (the “ordinary shares”), which represents 99.8%~~ of ~~the~~Delisting ~~ordinary~~or ~~shares~~Failure ~~outstanding and entitled~~ to ~~vote~~Satisfy asa ofContinued ~~the~~Listing ~~record~~Rule ~~date of February 7, 2019, were represented in person~~ or byStandard; ~~proxy,~~Transfer ~~which~~of ~~constitutes a quorum~~Listing.

~~The~~On ~~Company~~February 28, 2019, Union Acquisition Corp. (“UAC”) announced the voluntary transfer of the listing of UAC’s ~~shareholders~~ordinary ~~voted~~shares onand warrants from the ~~following~~New ~~proposals~~York atStock Exchange (“NYSE”) to the ~~Extraordinary~~NYSE ~~General~~American ~~Meeting~~exchange (“NYSE American”), ~~each~~subject to completion of ~~which~~UAC’s ~~was~~previously ~~approved~~announced business combination with Bioceres, Inc. ~~The~~and ~~final~~to ~~vote~~meeting ~~tabulation~~the initial listing requirements of the NYSE American. If approved for ~~each~~listing, ~~proposal~~UAC’s isordinary ~~set~~shares ~~forth~~and ~~below~~warrants will commence trading on March 5, 2019, under the new symbols “BIOX” and “BIOX WS,” respectively.

1.A ~~Proposal~~copy ~~No.~~of ~~1—The~~UAC’s ~~Business~~press ~~Combination~~release ~~and~~announcing ~~Rizobacter Call Option Agreement Proposal—To consider and vote upon a proposal to (i) approve and adopt~~ the ~~share~~foregoing ~~exchange~~is ~~agreement,~~included ~~dated~~ as ofExhibit ~~November 8, 2018, as may be amended from time to time, by and between UAC, Joseph J~~99.1 ~~Schena, in his capacity as a representative of UAC shareholders, and Bioceres, Inc., a Delaware corporation that will convert~~ to ~~Bioceres~~this ~~LLC~~Current ~~prior~~Report toon ~~the~~Form ~~closing~~8-K ~~of the business combination (the “Seller”) (the “Exchange Agreement,”~~ and ~~the~~incorporated ~~transactions~~by ~~contemplated~~reference ~~therein,~~herein ~~the “business combination”); and~~ (~~ii) ratify~~ the ~~amended call option agreement, dated as of October 22, 2018, as may be amended from time to time (the~~ “~~Rizobacter~~Press ~~Call Option Agreement~~Release”)~~, by and among Bioceres S~~.A., an Argentine corporation, RASA Holding LLC, a Delaware limited liability company and a wholly owned subsidiary of Bioceres, Inc., and Pedro Enrique Mac Mullen, María Marta Mac Mullen and International Property Services Corp., as sellers, and the transactions contemplated by the Exchange Agreement and the Rizobacter Call Option Agreement:

VOTES FOR		VOTES AGAINST		ABSTENTIONS		BROKER NON-VOTES
14,195,163		150,390		0		—

Forward Looking Statements

This ~~represented~~Current ~~approximately~~Report 99on Form 8-K (this “Current Report”) includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.0% Forward-looking statements may be identified by the use of words such as “forecast,” “intend,” “seek,” “target,” “anticipate,” “believe,” “expect,” “estimate,” “plan,” “outlook,” and “project” and other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. Such forward-looking statements include estimated financial information. Such forward-looking statements with respect to revenues, earnings, performance, strategies, prospects and other aspects of the ~~voted~~businesses ~~shares~~of ~~voting~~UAC, inBioceres, ~~favor~~Inc. (“Bioceres”) or the combined company after completion of the ~~proposal~~business combination are based on current expectations that are subject to known and unknown risks and uncertainties, which could cause actual results or outcomes to differ materially from expectations expressed or implied by such forward-looking statements. InThese factors include, but are not limited to: (1) the occurrence of any event, change or other circumstances that could give rise to the termination of the Exchange Agreement (as defined below) and the proposed business combination contemplated therein; (2) the inability to complete the transactions contemplated by the share exchange agreement entered into in connection with ~~this~~the ~~vote~~proposed business combination (the “Exchange Agreement”) due to the failure to obtain approval of the shareholders or other conditions to closing in the Exchange Agreement; (3) the ability of UAC to meet applicable NYSE American listing standards; (4) the risk that the proposed business combination disrupts current plans and operations of Bioceres as a result of the announcement and consummation of the transactions described in the Exchange Agreement; (5) the ability to recognize the anticipated benefits of the proposed business combination, which may be affected by, among other things, competition, the ~~holders~~ability of 11the combined company to grow and manage growth profitably,~~376~~ maintain relationships with customers and suppliers and retain its management and key employees; (6) costs related to the proposed business combination; (7) changes in applicable laws or regulations; (8) the possibility that Bioceres may be adversely affected by other economic,~~836~~ ~~ordinary~~business, ~~shares~~and/or competitive factors; and (9) other risks and uncertainties indicated from time to time in the definitive registration statement of UAC ~~exercised~~in ~~their~~connection ~~right~~with the proposed business combination and the proxy statement/prospectus contained therein, including those under “Risk Factors” therein, and other documents filed or to ~~redeem~~be ~~their~~filed ~~shares~~with ~~for~~the ~~cash~~SEC atby UAC. Investors are cautioned not to place undue reliance upon any forward-looking statements, which speak only as of the date made. UAC and Bioceres undertake no commitment to update or revise the forward-looking statements, whether as a ~~redemption~~result ~~price~~of new information, future events or otherwise. Investors should carry out their own due diligence in connection with the assumptions contained herein. The forward-looking statements in the Press Release speak only as of ~~approximately~~the ~~$10~~date of such release.28 ~~per~~Although ~~share~~UAC may from time to time voluntarily update its prior forward-looking statements, ~~for~~it andisclaims ~~aggregate~~any ~~redemption~~commitment ~~amount~~to do so whether as a result of ~~$117~~new information,~~005~~ future events,~~196~~ changes in assumptions or otherwise except as required by applicable securities laws.

The Articles Amendment Proposals—To consider and vote upon four separate proposals to approve by special resolution, assuming the Business Combination and Rizobacter Call Option Agreement Proposal is approved and adopted, the following amendments to UAC’s amended and restated memorandum and articles of association (the “Articles”), referred to as the “Articles Amendment Proposals”:3

2.Item ~~Proposal No~~9.01. ~~2—To~~Financial ~~consider~~Statement and ~~vote upon an amendment to the Articles to authorize changing the post-business combination corporate name from “Union Acquisition Corp~~Exhibits.” ~~to “Bioceres Crop Solutions Corp.”~~ (~~“BIOX”~~d) Exhibits:

VOTES FOR		VOTES AGAINST		ABSTENTIONS	BROKER NON-VOTES
	Exhibit		Description
13,535,338		5,000		805,215	—
	99.1		Press Release dated February 28, 2019

~~3. Proposal No. 3—To consider and vote upon an amendment to the Articles to authorize changing UAC’s fiscal year end to June 30:~~4

VOTES FOR		VOTES AGAINST		ABSTENTIONS		BROKER NON-VOTES
13,535,338		5,000		805,215		—

SIGNATURE

4.Pursuant ~~Proposal~~to ~~No.~~the ~~4—To~~requirements ~~consider~~of ~~and~~the ~~vote~~Securities ~~upon~~Exchange anAct ~~amendment~~of to1934, the ~~Articles~~registrant tohas ~~authorize~~duly ~~removing~~caused ~~certain~~this ~~provisions~~report ~~relating~~ to ~~UAC’s~~be ~~status~~signed ason aits ~~blank-check~~behalf ~~company~~by ~~that~~the ~~will~~undersigned nohereunto ~~longer~~duly ~~apply upon consummation of the business combination:~~authorized.

1Dated: February 28, 2019

VOTES FOR		VOTES AGAINST		ABSTENTIONS		BROKER NON-VOTES
13,535,338		5,000		805,215		—

UNION ACQUISITION CORP.

By:	/s/ Kyle P. Bransfield
	Name: Kyle P. Bransfield
	Title: Chief Executive Officer

5~~. Proposal No. 5—To consider and vote upon an amendment to the Articles to authorize removing the classified board structure of the UAC Board:~~

VOTES FOR		VOTES AGAINST		ABSTENTIONS		BROKER NON-VOTES
13,535,338		5,000		805,215		—

6. Proposal No. 6—The Director Election Proposal—To consider and vote upon a proposal to appoint seven directors to serve on the board of directors of BIOX until their respective successors are duly elected and qualified pursuant to the terms of the Articles:

				BROKER NON-
	VOTES FOR	VOTES AGAINST	ABSTENSIONS	VOTES
Kyle P. Bransfield	13,535,338	5,000	805,215	—
Juan Sartori	13,535,338	5,000	805,215	—
Federico Trucco	13,535,338	5,000	805,215	—
Enrique Lopez Lecube	13,535,338	5,000	805,215	—
Carlos Camargo de	13,535,338	5,000	805,215	—
Colón
Ari Freisinger	13,535,338	5,000	805,215	—
Natalia Zang	13,535,338	5,000	805,215	—

7. Proposal No. 7—The NYSE Proposal—To consider and vote upon a proposal to approve, assuming the Business Combination and Rizobacter Call Option Agreement Proposal and the Articles Amendment Proposals are approved and adopted, for purposes of complying with applicable provisions of Section 312.03 of the New York Stock Exchange Listed Company Manual, the issuance of more than 20% of UAC’s issued and outstanding ordinary shares to the Seller in connection with the business combination and the related change of control:

VOTES FOR		VOTES AGAINST		ABSTENTIONS		BROKER NON-VOTES
13,535,338		5,000		805,215		—

8. Proposal No. 8—The Adjournment Proposal—To consider and vote upon a proposal to approve the adjournment of the general meeting to a later date or dates, if necessary:

VOTES FOR		VOTES AGAINST		ABSTENTIONS		BROKER NON-VOTES
12,226,320		1,314,018		805,215		—

Although this proposal would have received sufficient votes to be approved, no motion to adjourn was made because the adjournment of the Extraordinary General Meeting was determined not to be necessary or appropriate.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Union Acquisition Corp.

By: /s/ Kyle P. Bransfield Name: Kyle P. Bransfield Title: Chief Executive Officer

Date: February 27, 2019

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